Incumbents defeated in state legislative elections, 2022

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Last updated on April 1, 2024

There were 6,278 state legislative seats up for election on November 8, 2022, across 46 states. This page analyzes incumbents defeated in those state legislative races. An incumbent may be defeated at two points in an election cycle: during a primary election or other nominating contests and during a general election.

In 2022, 408 incumbents lost their re-election bids: 179 in general elections and 229 in primaries. This was the first cycle since at least 2010 that primary defeats outnumbered those in general elections.

On this page you will find:

• Incumbents defeated in general elections
• Incumbents defeated in primaries
• State-by-state breakdowns
• Comparison to odd-year cycles

Click here for more information on each defeated state legislative incumbent in 2022, identifying the major-party candidates, the election's margin, and any notable storylines such as rematches or races that were affected by redistricting.

Incumbents defeated in general elections

In state legislative general elections, 179 incumbents lost to challengers, 3.9% of incumbents running for re-election, the lowest number and percentage of incumbents defeated in general elections since at least 2010.

In 2022 general elections:

93 Democratic incumbents lost, 4.2% of the 2,198 Democratic incumbents running at that time.

83 Republican incumbents lost, 3.5% of the 2,405 Republican incumbents running at that time.

Three minor party or independent incumbents lost, 25.0% of the 12 minor party or independent incumbents running at that time.

The chart below shows a partisan breakdown of incumbent general election defeats from 2010 to 2022.

Click [show] below to see a full list of incumbents defeated in general elections by state. Winners marked with (i) were incumbents from the same chamber.

Incumbents defeated in primaries

In primaries, 229 incumbents lost to challengers, 4.7% of incumbents who filed for re-election, the largest number and percentage of incumbents defeated in primaries since at least 2010.

In 2022 primaries:

69 Democratic incumbents lost, 3.0% of the 2,272 Democratic incumbents who filed for re-election.

160 Republican incumbents lost, 6.2% of the 2,569 Republican incumbents who filed for re-election.

The total number of incumbents who lost to primary challengers—229—is up 46% compared to 2020.

The chart below shows a partisan breakdown of incumbent primary defeats from 2010 to 2022.

Click [show] below to see a full list of incumbents defeated in primaries by state. Winners marked with (i) were incumbents from the same chamber.

Alabama

General election defeats

There were 140 seats up for election in Alabama. Overall, 105 incumbents advanced to the general election, including 30 Democrats and 75 Republicans. Of that total, two incumbents lost in general elections—one Democrat and one Republican—representing 1.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alabama, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	24	1	4.2%	52	1	1.9%	76	2	2.6%
Senate	6	0	0.0%	23	0	0.0%	29	0	0.0%
Total	30	1	3.3%	75	1	1.3%	105	2	1.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alabama, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	65	21	32.3%	47	1	2.1%	113	22	19.5%
2012	Did not hold elections.
2014	41	4	9.8%	69	0	0.0%	111	4	3.6%
2016	Did not hold elections.
2018	31	1	3.2%	70	0	0.0%	101	1	1.0%
2020	Did not hold elections.
2022	30	1	3.3%	75	1	1.3%	105	2	1.9%

Primary defeats

There were 140 seats up for election in Alabama. Overall, 114 incumbents filed for re-election, including 32 Democrats and 82 Republicans. Of that total, nine incumbents lost in primaries—two Democrats and seven Republicans—representing 7.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alabama, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	26	8	2	7.7%	58	18	6	10.3%	84	26	8	9.5%
Senate	6	2	0	0.0%	24	7	1	4.2%	30	9	1	3.3%
Total	32	10	2	6.3%	82	25	7	8.5%	114	35	9	7.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alabama, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	69	21	3	4.3%	51	13	3	5.9%	121	34	6	5.0%
2012	Did not hold elections.
2014	42	13	1	2.4%	76	27	7	9.2%	119	40	8	6.7%
2016	Did not hold elections.
2018	32	17	1	3.1%	70	19	1	1.4%	102	36	2	2.0%
2020	Did not hold elections.
2022	32	10	2	6.3%	82	25	7	8.5%	114	35	9	7.9%

Alaska

General election defeats

There were 59 seats up for election in Alaska. Overall, 40 incumbents advanced to the general election, including 12 Democrats, 24 Republicans, and four minor party or independent officeholders. Of that total, seven incumbents lost—two Democrats and five Republicans—representing 17.5% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alaska, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	7	2	28.6%	15	3	20.0%	26	5	19.2%
Senate	5	0	0.0%	9	2	22.2%	14	2	14.3%
Total	12	2	16.7%	24	5	20.8%	40	7	17.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Alaska, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	22	2	9.1%	23	1	4.3%	45	3	6.7%
2012	21	6	28.6%	30	2	6.7%	52	9	17.3%
2014	18	0	0.0%	27	1	3.7%	45	1	2.2%
2016	16	0	0.0%	19	2	10.5%	36	2	5.6%
2018	14	1	7.1%	20	1	5.0%	36	3	8.3%
2020	17	0	0.0%	20	2	10.0%	39	2	5.1%
2022	12	2	16.7%	24	5	20.8%	40	7	17.5%

Primary defeats

There were 59 seats up for election in Alaska. Overall, 40 incumbents filed for re-election, including 12 Democrats and 24 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alaska, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	7	0	0	0.0%	15	0	0	0.0%	26	0	0	0.0%
Senate	5	0	0	0.0%	9	0	0	0.0%	14	0	0	0.0%
Total	12	0	0	0.0%	24	0	0	0.0%	40	0	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Alaska, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	22	1	0	0.0%	23	5	0	0.0%	45	6	0	0.0%
2012	21	3	0	0.0%	32	13	2	6.3%	54	16	2	3.7%
2014	18	1	0	0.0%	29	3	2	6.9%	47	4	2	4.3%
2016	18	2	2	11.1%	22	10	3	13.6%	41	12	5	12.2%
2018	14	0	0	0.0%	21	11	1	4.8%	37	11	1	2.7%
2020	17	3	0	0.0%	28	17	8	28.6%	47	20	8	17.0%
2022	12	0	0	0.0%	24	0	0	0.0%	40	0	0	0.0%

Arizona

General election defeats

There were 90 seats up for election in Arizona. Overall, 41 incumbents advanced to the general election, including 18 Democrats and 23 Republicans. Of that total, one Republican incumbent lost, representing 2.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arizona, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	11	0	0.0%	15	0	0.0%	26	0	0.0%
Senate	7	0	0.0%	8	1	12.5%	15	1	6.7%
Total	18	0	0.0%	23	1	4.3%	41	1	2.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arizona, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	19	6	31.6%	28	0	0.0%	47	6	12.8%
2012	17	0	0.0%	40	4	10.0%	57	4	7.0%
2014	26	1	3.8%	38	1	2.6%	64	2	3.1%
2016	23	2	8.7%	37	2	5.4%	60	4	6.7%
2018	23	0	0.0%	31	3	9.7%	54	3	5.6%
2020	37	1	2.7%	33	2	6.1%	70	3	4.3%
2022	18	0	0.0%	23	1	4.3%	41	1	2.4%

Primary defeats

There were 90 seats up for election in Arizona. Overall, 50 incumbents filed for re-election, including 21 Democrats and 29 Republicans. Of that total, nine incumbents lost in primaries—three Democrats and six Republicans—representing 18.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arizona, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	14	8	3	21.4%	18	13	3	16.7%	32	21	6	18.8%
Senate	7	1	0	0.0%	11	4	3	27.3%	18	5	3	16.7%
Total	21	9	3	14.3%	29	17	6	20.7%	50	26	9	18.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arizona, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	20	7	1	5.0%	31	19	3	9.7%	51	26	4	7.8%
2012	17	11	0	0.0%	43	13	3	7.0%	60	24	3	5.0%
2014	27	6	1	3.7%	39	22	1	2.6%	66	28	2	3.0%
2016	26	11	3	11.5%	38	8	1	2.6%	64	19	4	6.3%
2018	24	8	1	4.2%	33	19	2	6.1%	57	27	3	5.3%
2020	37	13	0	0.0%	36	14	3	8.3%	73	27	3	4.1%
2022	21	9	3	14.3%	29	17	6	20.7%	50	26	9	18.0%

Arkansas

General election defeats

There were 135 seats up for election in Arkansas. Overall, 96 incumbents advanced to the general election, including 22 Democrats and 74 Republicans. Of that total, one Democratic incumbent lost, representing 1.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arkansas, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	18	1	5.6%	56	0	0.0%	74	1	1.4%
Senate	4	0	0.0%	18	0	0.0%	22	0	0.0%
Total	22	1	4.5%	74	0	0.0%	96	1	1.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Arkansas, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	41	6	14.6%	22	0	0.0%	63	6	9.5%
2012	38	3	7.9%	47	3	6.4%	85	6	7.1%
2014	43	10	23.3%	40	0	0.0%	83	10	12.0%
2016	34	6	17.6%	64	0	0.0%	98	6	6.1%
2018	20	2	10.0%	70	2	2.9%	91	5	5.5%
2020	26	4	15.4%	78	1	1.3%	104	5	4.8%
2022	22	1	4.5%	74	0	0.0%	96	1	1.0%

Primary defeats

There were 135 seats up for election in Arkansas. Overall, 104 incumbents filed for re-election, including 22 Democrats and 82 Republicans. Of that total, eight incumbents lost in primaries—all Republicans—representing 7.7% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arkansas, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	18	3	0	0.0%	60	18	4	6.7%	78	21	4	5.1%
Senate	4	0	0	0.0%	22	8	4	18.2%	26	8	4	15.4%
Total	22	3	0	0.0%	82	26	8	9.8%	104	29	8	7.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Arkansas, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	42	3	1	2.4%	22	1	0	0.0%	64	4	1	1.6%
2012	40	6	1	2.5%	48	6	1	2.1%	88	12	2	2.3%
2014	44	1	1	2.3%	43	7	3	7.0%	87	8	4	4.6%
2016	36	2	1	2.8%	66	8	1	1.5%	102	10	2	2.0%
2018	21	4	0	0.0%	73	11	3	4.1%	95	15	3	3.2%
2020	26	3	0	0.0%	80	8	2	2.5%	106	11	2	1.9%
2022	22	3	0	0.0%	82	26	8	9.8%	104	29	8	7.7%

California

General election defeats

There were 100 seats up for election in California. Overall, 71 incumbents advanced to the general election, including 55 Democrats and 16 Republicans. Of that total, five incumbents lost—one Democrat and four Republicans—representing 7.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in California, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	47	1	2.1%	14	4	28.6%	61	5	8.2%
Senate	8	0	0.0%	2	0	0.0%	10	0	0.0%
Total	55	1	1.8%	16	4	25.0%	71	5	7.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in California, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	44	0	0.0%	18	0	0.0%	62	0	0.0%
2012	36	2	5.6%	20	1	5.0%	56	3	5.4%
2014	45	4	8.9%	22	0	0.0%	67	4	6.0%
2016	51	2	3.9%	23	3	13.0%	74	5	6.8%
2018	61	0	0.0%	27	5	18.5%	88	5	5.7%
2020	65	0	0.0%	18	2	11.1%	84	2	2.4%
2022	55	1	1.8%	16	4	25.0%	71	5	7.0%

Primary defeats

There were 100 seats up for election in California. Overall, 69 incumbents filed for re-election, including 53 Democrats and 16 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in California, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	45	20	0	0.0%	14	7	0	0.0%	59	27	0	0.0%
Senate	8	5	0	0.0%	2	0	0	0.0%	10	5	0	0.0%
Total	53	25	0	0.0%	16	7	0	0.0%	69	32	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in California, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	3	0	0.0%	18	3	0	0.0%	62	6	0	0.0%
2012	36	15	0	0.0%	20	7	0	0.0%	56	22	0	0.0%
2014	45	19	0	0.0%	22	4	0	0.0%	67	23	0	0.0%
2016	51	15	0	0.0%	23	10	0	0.0%	74	25	0	0.0%
2018	59	25	0	0.0%	27	12	0	0.0%	86	37	0	0.0%
2020	65	25	0	0.0%	20	11	2	10.0%	86	37	2	2.3%
2022	53	25	0	0.0%	16	7	0	0.0%	69	32	0	0.0%

Colorado

General election defeats

There were 82 seats up for election in Colorado. Overall, 49 incumbents advanced to the general election, including 33 Democrats and 16 Republicans. Of that total, six Republican incumbents lost, representing 12.2% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Colorado, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	28	0	0.0%	12	4	33.3%	40	4	10.0%
Senate	5	0	0.0%	4	2	50.0%	9	2	22.2%
Total	33	0	0.0%	16	6	37.5%	49	6	12.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Colorado, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	37	6	16.2%	26	0	0.0%	64	7	10.9%
2012	29	0	0.0%	22	4	18.2%	51	4	7.8%
2014	36	4	11.1%	23	2	8.7%	59	6	10.2%
2016	26	0	0.0%	31	4	12.9%	57	4	7.0%
2018	27	0	0.0%	26	4	15.4%	53	4	7.5%
2020	41	1	2.4%	22	1	4.5%	63	2	3.2%
2022	33	0	0.0%	16	6	37.5%	49	6	12.2%

Primary defeats

There were 82 seats up for election in Colorado. Overall, 47 incumbents filed for re-election, including 34 Democrats and 13 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Colorado, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	29	1	0	0.0%	11	5	0	0.0%	40	6	0	0.0%
Senate	5	0	0	0.0%	4	1	0	0.0%	9	1	0	0.0%
Total	34	1	0	0.0%	15	6	0	0.0%	49	7	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Colorado, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	37	1	0	0.0%	26	0	0	0.0%	64	1	0	0.0%
2012	29	1	0	0.0%	24	3	2	8.3%	53	4	2	3.8%
2014	36	0	0	0.0%	23	2	0	0.0%	59	2	0	0.0%
2016	26	0	0	0.0%	33	5	2	6.1%	59	5	2	3.4%
2018	27	0	0	0.0%	30	5	2	6.7%	57	5	2	3.5%
2020	41	3	0	0.0%	22	2	0	0.0%	63	5	0	0.0%
2022	34	1	0	0.0%	15	6	0	0.0%	49	7	0	0.0%

Connecticut

General election defeats

There were 187 seats up for election in Connecticut. Overall, 155 incumbents advanced to the general election, including 103 Democrats and 52 Republicans. Of that total, four incumbents lost—three Democrats and one Republican—representing 2.6% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Connecticut, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	84	3	3.6%	43	1	2.3%	127	4	3.1%
Senate	19	0	0.0%	9	0	0.0%	28	0	0.0%
Total	103	3	2.9%	52	1	1.9%	155	4	2.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Connecticut, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	123	13	10.6%	44	0	0.0%	167	13	7.8%
2012	100	1	1.0%	59	3	5.1%	159	4	2.5%
2014	103	9	8.7%	58	1	1.7%	161	10	6.2%
2016	94	8	8.5%	68	2	2.9%	162	10	6.2%
2018	82	0	0.0%	79	15	19.0%	161	15	9.3%
2020	106	2	1.9%	64	6	9.4%	170	8	4.7%
2022	103	3	2.9%	52	1	1.9%	155	4	2.6%

Primary defeats

There were 187 seats up for election in Connecticut. Overall, 157 incumbents filed for re-election, including 105 Democrats and 52 Republicans. Of that total, two incumbents lost in primaries—both Democrats—representing 1.3% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Connecticut, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	85	2	1	1.2%	43	1	0	0.0%	128	3	1	0.8%
Senate	20	1	1	5.0%	9	0	0	0.0%	29	1	1	3.4%
Total	105	3	2	1.9%	52	1	0	0.0%	157	4	2	1.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Connecticut, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	124	10	1	0.8%	44	0	0	0.0%	168	10	1	0.6%
2012	104	6	4	3.8%	59	1	0	0.0%	163	7	4	2.5%
2014	105	8	2	1.9%	58	1	0	0.0%	163	9	2	1.2%
2016	96	8	2	2.1%	68	2	0	0.0%	164	10	2	1.2%
2018	84	5	2	2.4%	79	0	0	0.0%	163	5	2	1.2%
2020	106	5	0	0.0%	64	0	0	0.0%	170	5	0	0.0%
2022	105	3	2	1.9%	52	1	0	0.0%	157	4	2	1.3%

Delaware

General election defeats

There were 62 seats up for election in Delaware. Overall, 53 incumbents advanced to the general election, including 34 Democrats and 19 Republicans. No incumbents who advanced to the general election lost.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Delaware, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	21	0	0.0%	14	0	0.0%	35	0	0.0%
Senate	13	0	0.0%	5	0	0.0%	18	0	0.0%
Total	34	0	0.0%	19	0	0.0%	53	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Delaware, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	31	2	6.5%	16	1	6.3%	47	3	6.4%
2012	34	1	2.9%	16	2	12.5%	50	3	6.0%
2014	30	2	6.7%	17	0	0.0%	47	2	4.3%
2016	31	1	3.2%	19	0	0.0%	50	1	2.0%
2018	20	0	0.0%	16	2	12.5%	36	2	5.6%
2020	26	0	0.0%	20	2	10.0%	46	2	4.3%
2022	34	0	0.0%	19	0	0.0%	53	0	0.0%

Primary defeats

There were 62 seats up for election in Delaware. Overall, 55 incumbents filed for re-election, including 35 Democrats and 20 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 3.6% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Delaware, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	22	6	1	4.5%	14	1	0	0.0%	36	7	1	2.8%
Senate	13	0	0	0.0%	6	1	1	16.7%	19	1	1	5.3%
Total	35	6	1	2.9%	20	2	1	5.0%	55	8	2	3.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Delaware, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	32	6	1	3.1%	16	1	0	0.0%	48	7	1	2.1%
2012	35	6	1	2.9%	18	5	2	11.1%	53	11	3	5.7%
2014	31	6	1	3.2%	18	3	1	5.6%	49	9	2	4.1%
2016	31	5	0	0.0%	19	1	0	0.0%	50	6	0	0.0%
2018	21	3	1	4.8%	16	0	0	0.0%	37	3	1	2.7%
2020	30	8	4	13.3%	20	0	0	0.0%	50	8	4	8.0%
2022	35	6	1	2.9%	20	2	1	5.0%	55	8	2	3.6%

Florida

General election defeats

There were 160 seats up for election in Florida. Overall, 110 incumbents advanced to the general election, including 38 Democrats and 72 Republicans. Of that total, four Democratic incumbents lost, representing 3.6% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Florida, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	26	2	7.7%	55	0	0.0%	81	2	2.5%
Senate	12	2	16.7%	17	0	0.0%	29	2	6.9%
Total	38	4	10.5%	72	0	0.0%	110	4	3.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Florida, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	5	12.5%	55	0	0.0%	95	5	5.3%
2012	29	0	0.0%	77	5	6.5%	106	5	4.7%
2014	42	5	11.9%	79	0	0.0%	121	5	4.1%
2016	25	2	8.0%	72	1	1.4%	97	3	3.1%
2018	37	2	5.4%	62	4	6.5%	99	6	6.1%
2020	36	4	11.1%	60	0	0.0%	96	4	4.2%
2022	38	4	10.5%	72	0	0.0%	110	4	3.6%

Primary defeats

There were 160 seats up for election in Florida. Overall, 114 incumbents filed for re-election, including 41 Democrats and 73 Republicans. Of that total, four incumbents lost in primaries—three Democrats and one Republican—representing 3.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Florida, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	29	11	3	10.3%	56	14	1	1.8%	85	25	4	4.7%
Senate	12	2	0	0.0%	17	5	0	0.0%	29	7	0	0.0%
Total	41	13	3	7.3%	73	19	1	1.4%	114	32	4	3.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Florida, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	40	6	0	0.0%	57	12	1	1.8%	97	18	1	1.0%
2012	31	7	2	6.5%	79	24	1	1.3%	110	31	3	2.7%
2014	43	8	1	2.3%	79	13	0	0.0%	122	21	1	0.8%
2016	26	7	0	0.0%	72	7	0	0.0%	98	14	0	0.0%
2018	39	11	2	5.1%	63	8	0	0.0%	102	19	2	2.0%
2020	38	8	2	5.3%	62	9	1	1.6%	100	17	3	3.0%
2022	41	13	3	7.3%	73	19	1	1.4%	114	32	4	3.5%

Georgia

General election defeats

There were 236 seats up for election in Georgia. Overall, 184 incumbents advanced to the general election, including 75 Democrats and 109 Republicans. Of that total, one Democratic incumbent lost, representing 0.5% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Georgia, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	56	1	1.8%	82	0	0.0%	138	1	0.7%
Senate	19	0	0.0%	27	0	0.0%	46	0	0.0%
Total	75	1	1.3%	109	0	0.0%	184	1	0.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Georgia, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	84	2	2.4%	108	1	0.9%	193	3	1.6%
2012	67	3	4.5%	128	0	0.0%	196	3	1.5%
2014	72	0	0.0%	139	0	0.0%	212	0	0.0%
2016	68	1	1.5%	141	3	2.1%	209	4	1.9%
2018	78	2	2.6%	129	8	6.2%	207	10	4.8%
2020	84	1	1.2%	121	4	3.3%	205	5	2.4%
2022	75	1	1.3%	109	0	0.0%	184	1	0.5%

Primary defeats

There were 236 seats up for election in Georgia. Overall, 188 incumbents filed for re-election, including 76 Democrats and 112 Republicans. Of that total, four incumbents lost in primaries—one Democrat and three Republicans—representing 2.1% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Georgia, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	57	18	1	1.8%	85	29	3	3.5%	142	47	4	2.8%
Senate	19	9	0	0.0%	27	7	0	0.0%	46	16	0	0.0%
Total	76	27	1	1.3%	112	36	3	2.7%	188	63	4	2.1%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Georgia, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	86	19	2	2.3%	111	22	3	2.7%	198	41	5	2.5%
2012	73	25	6	8.2%	136	23	6	4.4%	210	48	12	5.7%
2014	74	17	2	2.7%	144	30	5	3.5%	219	47	7	3.2%
2016	71	19	3	4.2%	143	30	2	1.4%	214	49	5	2.3%
2018	82	27	4	4.9%	134	26	5	3.7%	216	53	9	4.2%
2020	89	28	3	3.4%	121	14	1	0.8%	210	42	4	1.9%
2022	76	27	1	1.3%	112	36	3	2.7%	188	63	4	2.1%

Hawaii

General election defeats

There were 76 seats up for election in Hawaii. Overall, 58 incumbents advanced to the general election, including 55 Democrats and 3 Republicans. Of that total, four Democratic incumbents lost, representing 6.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Hawaii, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	36	3	8.3%	2	0	0.0%	38	3	7.9%
Senate	19	1	5.3%	1	0	0.0%	20	1	5.0%
Total	55	4	7.3%	3	0	0.0%	58	4	6.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Hawaii, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	51	1	2.0%	6	0	0.0%	57	1	1.8%
2012	60	1	1.7%	6	2	33.3%	66	3	4.5%
2014	49	0	0.0%	6	0	0.0%	55	0	0.0%
2016	52	0	0.0%	8	2	25.0%	60	2	3.3%
2018	47	0	0.0%	4	0	0.0%	51	0	0.0%
2020	49	0	0.0%	5	0	0.0%	54	0	0.0%
2022	55	4	7.3%	3	0	0.0%	58	4	6.9%

Primary defeats

There were 76 seats up for election in Hawaii. Overall, 63 incumbents filed for re-election, including 60 Democrats and 3 Republicans. Of that total, five incumbents lost in primaries—all Democrats—representing 7.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Hawaii, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	39	21	3	7.7%	2	0	0	0.0%	41	21	3	7.3%
Senate	21	4	2	9.5%	1	0	0	0.0%	22	4	2	9.1%
Total	60	25	5	8.3%	3	0	0	0.0%	63	25	5	7.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Hawaii, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	52	24	1	1.9%	6	0	0	0.0%	58	24	1	1.7%
2012	64	24	4	6.3%	7	2	1	14.3%	71	26	5	7.0%
2014	52	19	3	5.8%	6	1	0	0.0%	58	20	3	5.2%
2016	53	22	1	1.9%	8	2	0	0.0%	61	24	1	1.6%
2018	50	23	3	6.0%	4	0	0	0.0%	54	23	3	5.6%
2020	51	20	1	2.0%	5	0	0	0.0%	56	20	1	1.8%
2022	60	25	5	8.3%	3	0	0	0.0%	63	25	5	7.9%

Idaho

General election defeats

There were 105 seats up for election in Idaho. Overall, 56 incumbents advanced to the general election, including 13 Democrats and 43 Republicans. Of that total, one Democratic incumbent lost, representing 1.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Idaho, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	9	0	0.0%	30	0	0.0%	39	0	0.0%
Senate	4	1	25.0%	13	0	0.0%	17	1	5.9%
Total	13	1	7.7%	43	0	0.0%	56	1	1.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Idaho, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	19	2	10.5%	71	0	0.0%	90	2	2.2%
2012	11	0	0.0%	55	2	3.6%	66	2	3.0%
2014	15	0	0.0%	73	2	2.7%	88	2	2.3%
2016	17	2	11.8%	72	0	0.0%	89	2	2.2%
2018	14	0	0.0%	69	5	7.2%	83	5	6.0%
2020	16	2	12.5%	67	0	0.0%	83	2	2.4%
2022	13	1	7.7%	43	0	0.0%	56	1	1.8%

Primary defeats

There were 105 seats up for election in Idaho. Overall, 74 incumbents filed for re-election, including 13 Democrats and 61 Republicans. Of that total, 18 incumbents lost in primaries—all Republicans—representing 24.3% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Idaho, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	9	0	0	0.0%	39	25	9	23.1%	48	25	9	18.8%
Senate	4	0	0	0.0%	22	20	9	40.9%	26	20	9	34.6%
Total	13	0	0	0.0%	61	45	18	29.5%	74	45	18	24.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Idaho, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	19	1	0	0.0%	77	25	6	7.8%	96	26	6	6.3%
2012	11	1	0	0.0%	59	33	3	5.1%	70	34	3	4.3%
2014	15	1	0	0.0%	79	29	6	7.6%	94	30	6	6.4%
2016	17	1	0	0.0%	79	30	7	8.9%	96	31	7	7.3%
2018	14	1	0	0.0%	75	30	6	8.0%	89	31	6	6.7%
2020	16	0	0	0.0%	71	28	5	7.0%	87	28	5	5.7%
2022	13	0	0	0.0%	61	45	18	29.5%	74	45	18	24.3%

Illinois

General election defeats

There were 177 seats up for election in Illinois. Overall, 150 incumbents advanced to the general election, including 100 Democrats and 50 Republicans. Of that total, five incumbents lost—two Democrats and three Republicans—representing 3.3% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Illinois, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	65	1	1.5%	34	3	8.8%	99	4	4.0%
Senate	35	1	2.9%	16	0	0.0%	51	1	2.0%
Total	100	2	2.0%	50	3	6.0%	150	5	3.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Illinois, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	75	7	9.3%	50	0	0.0%	125	7	5.6%
2012	81	0	0.0%	58	5	8.6%	139	5	3.6%
2014	80	1	1.3%	43	0	0.0%	123	1	0.8%
2016	90	5	5.6%	53	1	1.9%	143	6	4.2%
2018	75	1	1.3%	55	9	16.4%	130	10	7.7%
2020	84	4	4.8%	38	3	7.9%	122	7	5.7%
2022	100	2	2.0%	50	3	6.0%	150	5	3.3%

Primary defeats

There were 177 seats up for election in Illinois. Overall, 155 incumbents filed for re-election, including 103 Democrats and 52 Republicans. Of that total, six incumbents lost in primaries—four Democrats and two Republicans—representing 3.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Illinois, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	68	11	3	4.4%	36	7	2	5.6%	104	18	5	4.8%
Senate	35	4	1	2.9%	16	3	0	0.0%	51	7	1	2.0%
Total	103	15	4	3.9%	52	10	2	3.8%	155	25	6	3.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Illinois, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	76	14	0	0.0%	51	7	1	2.0%	127	21	1	0.8%
2012	82	21	1	1.2%	63	12	5	7.9%	145	33	6	4.1%
2014	82	9	2	2.4%	43	5	1	2.3%	125	14	3	2.4%
2016	92	11	1	1.1%	52	6	0	0.0%	144	17	1	0.7%
2018	77	10	2	2.6%	52	7	1	1.9%	129	17	3	2.3%
2020	85	18	2	2.4%	38	4	0	0.0%	123	22	2	1.6%
2022	103	15	4	3.9%	52	10	2	3.8%	155	25	6	3.9%

Indiana

General election defeats

There were 125 seats up for election in Indiana. Overall, 108 incumbents advanced to the general election, including 32 Democrats and 76 Republicans. Of that total, two Democratic incumbents lost, representing 1.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Indiana, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	29	1	3.4%	58	0	0.0%	87	1	1.1%
Senate	3	1	33.3%	18	0	0.0%	21	1	4.8%
Total	32	2	6.3%	76	0	0.0%	108	2	1.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Indiana, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	56	10	17.9%	55	0	0.0%	111	10	9.0%
2012	34	3	8.8%	68	2	2.9%	102	5	4.9%
2014	36	5	13.9%	79	1	1.3%	115	6	5.2%
2016	29	0	0.0%	76	1	1.3%	105	1	1.0%
2018	28	0	0.0%	81	4	4.9%	109	4	3.7%
2020	35	5	14.3%	80	2	2.5%	115	7	6.1%
2022	32	2	6.3%	76	0	0.0%	108	2	1.9%

Primary defeats

There were 125 seats up for election in Indiana. Overall, 114 incumbents filed for re-election, including 32 Democrats and 82 Republicans. Of that total, six incumbents lost in primaries—all Republicans—representing 5.3% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Indiana, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	29	0	0	0.0%	63	25	5	7.9%	92	25	5	5.4%
Senate	3	2	0	0.0%	19	3	1	5.3%	22	5	1	4.5%
Total	32	2	0	0.0%	82	28	6	7.3%	114	30	6	5.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Indiana, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	56	6	0	0.0%	57	15	2	3.5%	113	21	2	1.8%
2012	35	5	0	0.0%	68	12	0	0.0%	103	17	0	0.0%
2014	36	0	0	0.0%	81	11	3	3.7%	117	11	3	2.6%
2016	30	2	0	0.0%	78	15	2	2.6%	108	17	2	1.9%
2018	28	7	0	0.0%	83	16	2	2.4%	111	23	2	1.8%
2020	34	6	0	0.0%	81	17	1	1.2%	115	23	1	0.9%
2022	32	2	0	0.0%	82	28	6	7.3%	114	30	6	5.3%

Iowa

General election defeats

There were 134 seats up for election in Iowa. Overall, 88 incumbents advanced to the general election, including 33 Democrats and 55 Republicans. Of that total, seven incumbents lost—five Democrats and two Republicans—representing 8.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Iowa, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	24	3	12.5%	41	1	2.4%	65	4	6.2%
Senate	9	2	22.2%	14	1	7.1%	23	3	13.0%
Total	33	5	15.2%	55	2	3.6%	88	7	8.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Iowa, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	63	18	28.6%	42	0	0.0%	105	18	17.1%
2012	45	1	2.2%	51	7	13.7%	96	8	8.3%
2014	55	5	9.1%	54	0	0.0%	109	5	4.6%
2016	49	7	14.3%	61	0	0.0%	110	7	6.4%
2018	46	2	4.3%	55	5	9.1%	101	7	6.9%
2020	49	7	14.3%	57	0	0.0%	106	7	6.6%
2022	33	5	15.2%	55	2	3.6%	88	7	8.0%

Primary defeats

There were 134 seats up for election in Iowa. Overall, 93 incumbents filed for re-election, including 33 Democrats and 60 Republicans. Of that total, six incumbents lost in primaries—all Republicans—representing 6.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Iowa, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	24	0	0	0.0%	46	13	6	13.0%	70	13	6	8.6%
Senate	9	0	0	0.0%	14	1	0	0.0%	23	1	0	0.0%
Total	33	0	0	0.0%	60	14	6	10.0%	93	14	6	6.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Iowa, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	65	5	1	1.5%	43	3	1	2.3%	108	8	2	1.9%
2012	45	0	0	0.0%	55	16	3	5.5%	100	16	3	3.0%
2014	55	3	0	0.0%	55	5	0	0.0%	110	8	0	0.0%
2016	50	4	1	2.0%	62	5	0	0.0%	112	9	1	0.9%
2018	48	1	0	0.0%	55	4	0	0.0%	103	5	0	0.0%
2020	51	4	1	2.0%	57	2	0	0.0%	108	6	1	0.9%
2022	33	0	0	0.0%	60	14	6	10.0%	93	14	6	6.5%

Kansas

General election defeats

There were 125 seats up for election in Kansas. Overall, 94 incumbents advanced to the general election, including 31 Democrats and 63 Republicans. Of that total, two incumbents lost—one Democrat and one Republican—representing 2.1% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kansas, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	31	1	3.2%	63	1	1.6%	94	2	2.1%
Senate	Did not hold elections.
Total	31	1	3.2%	63	1	1.6%	94	2	2.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kansas, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	44	13	29.5%	66	0	0.0%	110	13	11.8%
2012	36	8	22.2%	71	6	8.5%	107	14	13.1%
2014	29	3	10.3%	80	0	0.0%	109	3	2.8%
2016	33	0	0.0%	84	11	13.1%	117	11	9.4%
2018	40	5	12.5%	65	3	4.6%	105	8	7.6%
2020	42	4	9.5%	86	1	1.2%	128	5	3.9%
2022	31	1	3.2%	63	1	1.6%	94	2	2.1%

Primary defeats

There were 125 seats up for election in Kansas. Overall, 103 incumbents filed for re-election, including 32 Democrats and 71 Republicans. Of that total, eight incumbents lost in primaries—one Democrat and seven Republicans—representing 7.8% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kansas, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	32	2	1	3.1%	70	14	7	10.0%	102	16	8	7.8%
Senate	Did not hold elections.
Total	32	2	1	3.1%	70	14	7	10.0%	102	16	8	7.8%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kansas, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	45	3	1	2.2%	70	20	4	5.7%	115	23	5	4.3%
2012	37	6	1	2.7%	90	48	19	21.1%	127	54	20	15.7%
2014	29	0	0	0.0%	83	21	3	3.6%	112	21	3	2.7%
2016	34	4	1	2.9%	98	35	14	14.3%	132	39	15	11.4%
2018	40	7	0	0.0%	72	19	7	9.7%	112	26	7	6.3%
2020	43	3	1	2.3%	99	28	12	12.1%	142	31	13	9.2%
2022	32	2	1	3.1%	71	15	7	9.9%	103	17	8	7.8%

Kentucky

General election defeats

There were 119 seats up for election in Kentucky. Overall, 93 incumbents advanced to the general election, including 20 Democrats and 73 Republicans. Of that total, five Democratic incumbents lost, representing 5.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kentucky, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	18	5	27.8%	62	0	0.0%	80	5	6.3%
Senate	2	0	0.0%	11	0	0.0%	13	0	0.0%
Total	20	5	25.0%	73	0	0.0%	93	5	5.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Kentucky, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	67	7	10.4%	42	1	2.4%	110	8	7.3%
2012	63	3	4.8%	41	1	2.4%	104	4	3.8%
2014	54	3	5.6%	52	1	1.9%	106	4	3.8%
2016	56	17	30.4%	51	1	2.0%	107	18	16.8%
2018	28	3	10.7%	66	6	9.1%	94	9	9.6%
2020	35	7	20.0%	64	0	0.0%	99	7	7.1%
2022	20	5	25.0%	73	0	0.0%	93	5	5.4%

Primary defeats

There were 119 seats up for election in Kentucky. Overall, 100 incumbents filed for re-election, including 21 Democrats and 79 Republicans. Of that total, seven incumbents lost in primaries—one Democrat and six Republicans—representing 7.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kentucky, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	19	4	1	5.3%	68	24	6	8.8%	87	28	7	8.0%
Senate	2	0	0	0.0%	11	3	0	0.0%	13	3	0	0.0%
Total	21	4	1	4.8%	79	27	6	7.6%	100	31	7	7.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Kentucky, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	68	11	1	1.5%	43	10	1	2.3%	112	21	2	1.8%
2012	64	11	1	1.6%	42	11	0	0.0%	106	22	1	0.9%
2014	55	6	1	1.8%	53	9	1	1.9%	108	15	2	1.9%
2016	57	7	1	1.8%	52	9	1	1.9%	109	16	2	1.8%
2018	29	4	1	3.4%	69	15	3	4.3%	98	19	4	4.1%
2020	35	3	0	0.0%	67	10	3	4.5%	102	13	3	2.9%
2022	21	4	1	4.8%	79	27	6	7.6%	100	31	7	7.0%

Maine

General election defeats

There were 186 seats up for election in Maine. Overall, 110 incumbents advanced to the general election, including 65 Democrats, 43 Republicans, and two minor party or independent officeholders. Of that total, five incumbents lost—two Democrats and three Republicans—representing 4.5% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maine, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	52	2	3.8%	34	3	8.8%	88	5	5.7%
Senate	13	0	0.0%	9	0	0.0%	22	0	0.0%
Total	65	2	3.1%	43	3	7.0%	110	5	4.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maine, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	90	19	21.1%	49	1	2.0%	139	20	14.4%
2012	53	1	1.9%	66	16	24.2%	121	17	14.0%
2014	81	11	13.6%	42	2	4.8%	127	13	10.2%
2016	69	8	11.6%	78	5	6.4%	147	13	8.8%
2018	73	1	1.4%	50	9	18.0%	126	11	8.7%
2020	79	8	10.1%	58	1	1.7%	142	11	7.7%
2022	65	2	3.1%	43	3	7.0%	110	5	4.5%

Primary defeats

There were 186 seats up for election in Maine. Overall, 116 incumbents filed for re-election, including 68 Democrats and 46 Republicans. Of that total, one Republican incumbent lost in a primary, representing 0.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maine, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	56	1	0	0.0%	37	2	1	2.7%	95	3	1	1.1%
Senate	12	0	0	0.0%	9	0	0	0.0%	21	0	0	0.0%
Total	68	1	0	0.0%	46	2	1	2.2%	116	3	1	0.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maine, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	94	3	1	1.1%	49	1	0	0.0%	143	4	1	0.7%
2012	54	4	0	0.0%	67	1	0	0.0%	123	5	0	0.0%
2014	85	2	0	0.0%	48	1	0	0.0%	137	3	0	0.0%
2016	69	2	0	0.0%	80	2	1	1.3%	149	4	1	0.7%
2018	74	2	0	0.0%	53	0	0	0.0%	130	2	0	0.0%
2020	82	4	0	0.0%	61	3	1	1.6%	148	7	1	0.7%
2022	68	1	0	0.0%	46	2	1	2.2%	116	3	1	0.9%

Maryland

General election defeats

There were 188 seats up for election in Maryland. Overall, 144 incumbents advanced to the general election, including 104 Democrats and 40 Republicans. Of that total, two Republican incumbents lost, representing 1.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maryland, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	75	0	0.0%	30	2	6.7%	105	2	1.9%
Senate	29	0	0.0%	10	0	0.0%	39	0	0.0%
Total	104	0	0.0%	40	2	5.0%	144	2	1.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Maryland, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	114	2	1.8%	37	1	2.7%	151	3	2.0%
2012	Did not hold elections.
2014	95	7	7.4%	31	0	0.0%	126	7	5.6%
2016	Did not hold elections.
2018	83	1	1.2%	53	7	13.2%	136	8	5.9%
2020	Did not hold elections.
2022	104	0	0.0%	40	2	5.0%	144	2	1.4%

Primary defeats

There were 188 seats up for election in Maryland. Overall, 151 incumbents filed for re-election, including 108 Democrats and 43 Republicans. Of that total, seven incumbents lost in primaries—four Democrats and three Republicans—representing 4.6% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maryland, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	79	57	4	5.1%	32	20	2	6.3%	111	77	6	5.4%
Senate	29	13	0	0.0%	11	5	1	9.1%	40	18	1	2.5%
Total	108	70	4	3.7%	43	25	3	7.0%	151	95	7	4.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Maryland, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	121	78	7	5.8%	41	27	4	9.8%	162	105	11	6.8%
2012	Did not hold elections.
2014	101	70	6	5.9%	37	24	6	16.2%	138	94	12	8.7%
2016	Did not hold elections.
2018	95	81	12	12.6%	54	26	1	1.9%	149	107	13	8.7%
2020	Did not hold elections.
2022	108	70	4	3.7%	43	25	3	7.0%	151	95	7	4.6%

Massachusetts

General election defeats

There were 200 seats up for election in Massachusetts. Overall, 174 incumbents advanced to the general election, including 145 Democrats, 28 Republicans, and one minor party or independent officeholder. Of that total, one Republican incumbent lost, representing 0.6% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Massachusetts, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	113	0	0.0%	25	1	4.0%	139	1	0.7%
Senate	32	0	0.0%	3	0	0.0%	35	0	0.0%
Total	145	0	0.0%	28	1	3.6%	174	1	0.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Massachusetts, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	150	10	6.7%	15	0	0.0%	165	10	6.1%
2012	149	0	0.0%	35	2	5.7%	184	2	1.1%
2014	148	3	2.0%	30	0	0.0%	178	3	1.7%
2016	145	0	0.0%	40	0	0.0%	185	0	0.0%
2018	134	0	0.0%	37	2	5.4%	173	3	1.7%
2020	149	0	0.0%	33	2	6.1%	183	2	1.1%
2022	145	0	0.0%	28	1	3.6%	174	1	0.6%

Primary defeats

There were 200 seats up for election in Massachusetts. Overall, 176 incumbents filed for re-election, including 146 Democrats and 29 Republicans. Of that total, one Democratic incumbent lost in a primary, representing 0.6% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Massachusetts, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	114	17	1	0.9%	26	0	0	0.0%	141	17	1	0.7%
Senate	32	3	0	0.0%	3	1	0	0.0%	35	4	0	0.0%
Total	146	20	1	0.7%	29	1	0	0.0%	176	21	1	0.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Massachusetts, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	151	14	1	0.7%	15	0	0	0.0%	166	14	1	0.6%
2012	154	18	4	2.6%	36	1	0	0.0%	190	19	4	2.1%
2014	148	16	1	0.7%	30	1	0	0.0%	178	17	1	0.6%
2016	147	19	2	1.4%	40	1	0	0.0%	187	20	2	1.1%
2018	137	19	3	2.2%	37	1	0	0.0%	176	20	3	1.7%
2020	151	22	2	1.3%	33	1	0	0.0%	185	23	2	1.1%
2022	146	20	1	0.7%	29	1	0	0.0%	176	21	1	0.6%

Michigan

General election defeats

There were 148 seats up for election in Michigan. Overall, 78 incumbents advanced to the general election, including 40 Democrats and 38 Republicans. Of that total, three incumbents lost—one Democrat and two Republicans—representing 3.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Michigan, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	29	1	3.4%	26	1	3.8%	55	2	3.6%
Senate	11	0	0.0%	12	1	8.3%	23	1	4.3%
Total	40	1	2.5%	38	2	5.3%	78	3	3.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Michigan, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	9	22.5%	28	0	0.0%	68	9	13.2%
2012	32	0	0.0%	55	5	9.1%	87	5	5.7%
2014	40	2	5.0%	56	0	0.0%	96	2	2.1%
2016	32	1	3.1%	36	0	0.0%	68	1	1.5%
2018	30	0	0.0%	45	3	6.7%	75	3	4.0%
2020	39	2	5.1%	45	0	0.0%	84	2	2.4%
2022	40	1	2.5%	38	2	5.3%	78	3	3.8%

Primary defeats

There were 148 seats up for election in Michigan. Overall, 84 incumbents filed for re-election, including 42 Democrats and 42 Republicans. Of that total, six incumbents lost in primaries—two Democrats and four Republicans—representing 7.1% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Michigan, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	30	11	1	3.3%	29	18	3	10.3%	59	29	4	6.8%
Senate	12	7	1	8.3%	13	8	1	7.7%	25	15	2	8.0%
Total	42	18	2	4.8%	42	26	4	9.5%	84	44	6	7.1%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Michigan, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	40	10	0	0.0%	28	7	0	0.0%	68	17	0	0.0%
2012	36	19	4	11.1%	56	18	1	1.8%	92	37	5	5.4%
2014	40	9	0	0.0%	57	19	1	1.8%	97	28	1	1.0%
2016	32	14	0	0.0%	36	9	0	0.0%	68	23	0	0.0%
2018	32	14	2	6.3%	46	9	1	2.2%	78	23	3	3.8%
2020	39	14	0	0.0%	45	10	0	0.0%	84	24	0	0.0%
2022	42	18	2	4.8%	42	26	4	9.5%	84	44	6	7.1%

Minnesota

General election defeats

There were 201 seats up for election in Minnesota. Overall, 138 incumbents advanced to the general election, including 70 Democrats and 68 Republicans. Of that total, nine incumbents lost—three Democrats and six Republicans—representing 6.5% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Minnesota, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	51	3	5.9%	44	5	11.4%	95	8	8.4%
Senate	19	0	0.0%	24	1	4.2%	43	1	2.3%
Total	70	3	4.3%	68	6	8.8%	138	9	6.5%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Minnesota, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	120	34	28.3%	55	0	0.0%	175	34	19.4%
2012	71	0	0.0%	81	16	19.8%	152	16	10.5%
2014	68	11	16.2%	51	0	0.0%	119	11	9.2%
2016	80	9	11.3%	89	2	2.2%	169	11	6.5%
2018	41	0	0.0%	69	15	21.7%	110	15	13.6%
2020	86	7	8.1%	87	2	2.3%	173	9	5.2%
2022	70	3	4.3%	68	6	8.8%	138	9	6.5%

Primary defeats

There were 201 seats up for election in Minnesota. Overall, 142 incumbents filed for re-election, including 74 Democrats and 68 Republicans. Of that total, three Democratic incumbents lost in primaries, representing 2.1% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Minnesota, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	54	6	3	5.6%	44	5	0	0.0%	98	11	3	3.1%
Senate	20	2	0	0.0%	24	7	0	0.0%	44	9	0	0.0%
Total	74	8	3	4.1%	68	12	0	0.0%	142	20	3	2.1%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Minnesota, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	121	5	1	0.8%	56	3	1	1.8%	177	8	2	1.1%
2012	72	7	0	0.0%	82	4	1	1.2%	154	11	1	0.6%
2014	68	4	0	0.0%	51	1	0	0.0%	119	5	0	0.0%
2016	82	7	2	2.4%	91	4	2	2.2%	173	11	4	2.3%
2018	41	5	0	0.0%	70	2	1	1.4%	111	7	1	0.9%
2020	95	11	4	4.2%	87	8	0	0.0%	182	19	4	2.2%
2022	74	8	3	4.1%	68	12	0	0.0%	142	20	3	2.1%

Missouri

General election defeats

There were 180 seats up for election in Missouri. Overall, 124 incumbents advanced to the general election, including 42 Democrats and 82 Republicans. Of that total, two incumbents lost—one Democrat and one Republican—representing 1.6% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Missouri, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	40	1	2.5%	76	1	1.3%	116	2	1.7%
Senate	2	0	0.0%	6	0	0.0%	8	0	0.0%
Total	42	1	2.4%	82	1	1.2%	124	2	1.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Missouri, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	53	12	22.6%	49	0	0.0%	102	12	11.8%
2012	36	2	5.6%	82	4	4.9%	118	6	5.1%
2014	48	5	10.4%	100	0	0.0%	148	5	3.4%
2016	32	0	0.0%	104	0	0.0%	137	1	0.7%
2018	33	1	3.0%	82	2	2.4%	115	3	2.6%
2020	35	0	0.0%	85	1	1.2%	120	1	0.8%
2022	42	1	2.4%	82	1	1.2%	124	2	1.6%

Primary defeats

There were 180 seats up for election in Missouri. Overall, 132 incumbents filed for re-election, including 46 Democrats and 86 Republicans. Of that total, seven incumbents lost in primaries—four Democrats and three Republicans—representing 5.3% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Missouri, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	44	13	4	9.1%	79	16	2	2.5%	123	29	6	4.9%
Senate	2	0	0	0.0%	7	6	1	14.3%	9	6	1	11.1%
Total	46	13	4	8.7%	86	22	3	3.5%	132	35	7	5.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Missouri, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	55	8	2	3.6%	50	7	1	2.0%	105	15	3	2.9%
2012	43	19	7	16.3%	83	16	1	1.2%	126	35	8	6.3%
2014	47	8	0	0.0%	100	14	0	0.0%	147	22	0	0.0%
2016	35	7	2	5.7%	106	14	2	1.9%	142	21	4	2.8%
2018	34	7	1	2.9%	83	12	0	0.0%	117	19	1	0.9%
2020	36	9	1	2.8%	87	8	0	0.0%	123	17	1	0.8%
2022	46	13	4	8.7%	86	22	3	3.5%	132	35	7	5.3%

Montana

General election defeats

There were 125 seats up for election in Montana. Overall, 85 incumbents advanced to the general election, including 28 Democrats and 57 Republicans. Of that total, five incumbents lost—three Democrats and two Republicans—representing 5.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Montana, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	23	2	8.7%	51	2	3.9%	74	4	5.4%
Senate	5	1	20.0%	6	0	0.0%	11	1	9.1%
Total	28	3	10.7%	57	2	3.5%	85	5	5.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Montana, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	33	9	27.3%	40	1	2.5%	73	10	13.7%
2012	26	1	3.8%	53	7	13.2%	79	8	10.1%
2014	30	2	6.7%	46	4	8.7%	76	6	7.9%
2016	35	2	5.7%	42	3	7.1%	77	5	6.5%
2018	34	0	0.0%	53	3	5.7%	87	3	3.4%
2020	31	6	19.4%	47	0	0.0%	78	6	7.7%
2022	28	3	10.7%	57	2	3.5%	85	5	5.9%

Primary defeats

There were 125 seats up for election in Montana. Overall, 85 incumbents filed for re-election, including 29 Democrats and 56 Republicans. Of that total, one Democratic incumbent lost in a primary, representing 1.2% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Montana, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	23	3	0	0.0%	50	7	0	0.0%	73	10	0	0.0%
Senate	6	1	1	16.7%	6	2	0	0.0%	12	3	1	8.3%
Total	29	4	1	3.4%	56	9	0	0.0%	85	13	1	1.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Montana, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	34	3	1	2.9%	41	8	1	2.4%	75	11	2	2.7%
2012	26	3	1	3.8%	56	14	3	5.4%	82	17	4	4.9%
2014	32	3	0	0.0%	48	15	2	4.2%	80	18	2	2.5%
2016	36	1	0	0.0%	44	13	2	4.5%	80	14	2	2.5%
2018	34	1	0	0.0%	55	9	1	1.8%	89	10	1	1.1%
2020	31	4	0	0.0%	53	19	6	11.3%	84	23	6	7.1%
2022	29	4	1	3.4%	56	9	0	0.0%	85	13	1	1.2%

Nebraska

General election defeats

There were 24 seats up for election in Nebraska. Overall, 11 incumbents advanced to the general election, including three Democrats and eight Republicans. No incumbents who advanced to the general election lost.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nebraska, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	N/A
Senate	3	0	0.0%	8	0	0.0%	11	0	0.0%
Total	3	0	0.0%	8	0	0.0%	11	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nebraska, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	10	1	10.0%	10	0	0.0%	21	2	9.5%
2012	6	1	16.7%	10	0	0.0%	16	1	6.3%
2014	2	0	0.0%	5	0	0.0%	7	0	0.0%
2016	4	0	0.0%	8	5	62.5%	13	5	38.5%
2018	3	0	0.0%	12	2	16.7%	16	3	18.8%
2020	7	1	14.3%	12	1	8.3%	19	2	10.5%
2022	3	0	0.0%	8	0	0.0%	11	0	0.0%

Primary defeats

There were 24 seats up for election in Nebraska. Overall, 11 incumbents filed for re-election, including 3 Democrats and 8 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nebraska, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	N/A
Senate	3	2	0	0.0%	8	4	0	0.0%	11	6	0	0.0%
Total	3	2	0	0.0%	8	4	0	0.0%	11	6	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nebraska, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	10	4	0	0.0%	10	1	0	0.0%	21	6	0	0.0%
2012	6	2	0	0.0%	10	2	0	0.0%	16	4	0	0.0%
2014	2	0	0	0.0%	5	1	0	0.0%	7	1	0	0.0%
2016	4	2	0	0.0%	9	1	1	11.1%	14	4	1	7.1%
2018	3	0	0	0.0%	12	4	0	0.0%	16	5	0	0.0%
2020	7	0	0	0.0%	12	2	0	0.0%	19	2	0	0.0%
2022	3	2	0	0.0%	8	4	0	0.0%	11	6	0	0.0%

Nevada

General election defeats

There were 53 seats up for election in Nevada. Overall, 33 incumbents advanced to the general election, including 25 Democrats and eight Republicans. No incumbents who advanced to the general election lost.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nevada, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	21	0	0.0%	7	0	0.0%	28	0	0.0%
Senate	4	0	0.0%	1	0	0.0%	5	0	0.0%
Total	25	0	0.0%	8	0	0.0%	33	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Nevada, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	17	2	11.8%	8	0	0.0%	25	2	8.0%
2012	23	1	4.3%	11	0	0.0%	34	1	2.9%
2014	26	7	26.9%	17	0	0.0%	43	7	16.3%
2016	21	0	0.0%	17	6	35.3%	39	7	17.9%
2018	24	0	0.0%	13	2	15.4%	37	2	5.4%
2020	25	3	12.0%	13	0	0.0%	38	3	7.9%
2022	25	0	0.0%	8	0	0.0%	33	0	0.0%

Primary defeats

There were 53 seats up for election in Nevada. Overall, 34 incumbents filed for re-election, including 25 Democrats and 9 Republicans. Of that total, one Republican incumbent lost in primaries, representing 2.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nevada, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	21	7	0	0.0%	7	3	0	0.0%	28	10	0	0.0%
Senate	4	2	0	0.0%	2	1	1	50.0%	6	3	1	16.7%
Total	25	9	0	0.0%	9	4	1	11.1%	34	13	1	2.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Nevada, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	17	1	0	0.0%	9	4	1	11.1%	26	5	1	3.8%
2012	24	10	1	4.2%	12	2	1	8.3%	36	12	2	5.6%
2014	26	5	0	0.0%	17	8	0	0.0%	43	13	0	0.0%
2016	21	6	0	0.0%	19	11	2	10.5%	41	17	2	4.9%
2018	24	3	0	0.0%	14	5	1	7.1%	38	8	1	2.6%
2020	25	3	0	0.0%	14	4	1	7.1%	39	7	1	2.6%
2022	25	9	0	0.0%	9	4	1	11.1%	34	13	1	2.9%

New Hampshire

General election defeats

There were 424 seats up for election in New Hampshire. Overall, 282 incumbents advanced to the general election, including 126 Democrats and 156 Republicans. Of that total, 22 incumbents lost—three Democrats and 19 Republicans—representing 7.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Hampshire, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	119	3	2.5%	147	18	12.2%	266	21	7.9%
Senate	7	0	0.0%	9	1	11.1%	16	1	6.3%
Total	126	3	2.4%	156	19	12.2%	282	22	7.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Hampshire, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	174	88	50.6%	137	0	0.0%	311	88	28.3%
2012	82	4	4.9%	211	74	35.1%	293	78	26.6%
2014	169	43	25.4%	135	3	2.2%	304	46	15.1%
2016	128	11	8.6%	169	12	7.1%	297	23	7.7%
2018	141	6	4.3%	159	43	27.0%	303	52	17.2%
2020	205	36	17.6%	128	1	0.8%	333	37	11.1%
2022	126	3	2.4%	156	19	12.2%	282	22	7.8%

Primary defeats

There were 424 seats up for election in New Hampshire. Overall, 302 incumbents filed for re-election, including 133 Democrats and 169 Republicans. Of that total, 18 incumbents lost in primaries—six Democrats and 12 Republicans—representing 6.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Hampshire, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	126	26	6	4.8%	160	88	12	7.5%	286	114	18	6.3%
Senate	7	0	0	0.0%	9	2	0	0.0%	16	2	0	0.0%
Total	133	26	6	4.5%	169	90	12	7.1%	302	116	18	6.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Hampshire, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	178	45	3	1.7%	144	79	8	5.6%	322	124	11	3.4%
2012	85	14	3	3.5%	230	131	19	8.3%	315	145	22	7.0%
2014	170	24	1	0.6%	143	80	8	5.6%	313	104	9	2.9%
2016	128	25	0	0.0%	179	100	10	5.6%	307	125	10	3.3%
2018	147	30	6	4.1%	170	57	11	6.5%	320	87	17	5.3%
2020	209	44	4	1.9%	135	62	7	5.2%	344	106	11	3.2%
2022	133	26	6	4.5%	169	90	12	7.1%	302	116	18	6.0%

New Mexico

General election defeats

There were 70 seats up for election in New Mexico. Overall, 56 incumbents advanced to the general election, including 38 Democrats and 18 Republicans. Of that total, two incumbents lost—one Democrat and one Republican—representing 3.6% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Mexico, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	38	1	2.6%	18	1	5.6%	56	2	3.6%
Senate	Did not hold elections.
Total	38	1	2.6%	18	1	5.6%	56	2	3.6%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New Mexico, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	43	7	16.3%	22	0	0.0%	65	7	10.8%
2012	45	4	8.9%	39	3	7.7%	85	8	9.4%
2014	31	5	16.1%	27	1	3.7%	58	6	10.3%
2016	52	1	1.9%	51	7	13.7%	103	8	7.8%
2018	32	1	3.1%	26	6	23.1%	58	7	12.1%
2020	61	2	3.3%	33	2	6.1%	94	4	4.3%
2022	38	1	2.6%	18	1	5.6%	56	2	3.6%

Primary defeats

There were 70 seats up for election in New Mexico. Overall, 57 incumbents filed for re-election, including 38 Democrats and 19 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 3.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Mexico, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	38	7	1	2.6%	19	4	1	5.3%	57	11	2	3.5%
Senate	Did not hold elections.
Total	38	7	1	2.6%	19	4	1	5.3%	57	11	2	3.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New Mexico, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	10	1	2.3%	23	4	1	4.3%	67	14	2	3.0%
2012	50	19	4	8.0%	40	5	1	2.5%	91	24	5	5.5%
2014	31	5	1	3.2%	28	2	1	3.6%	59	7	2	3.4%
2016	52	9	1	1.9%	50	0	0	0.0%	102	9	1	1.0%
2018	35	5	3	8.6%	26	1	0	0.0%	61	6	3	4.9%
2020	65	17	5	7.7%	36	3	2	5.6%	101	20	7	6.9%
2022	38	7	1	2.6%	19	4	1	5.3%	57	11	2	3.5%

New York

General election defeats

There were 213 seats up for election in New York. Overall, 185 incumbents advanced to the general election, including 135 Democrats and 50 Republicans. Of that total, 10 incumbents lost—eight Democrats and two Republicans—representing 5.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New York, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	96	5	5.2%	35	0	0.0%	131	5	3.8%
Senate	39	3	7.7%	15	2	13.3%	54	5	9.3%
Total	135	8	5.9%	50	2	4.0%	185	10	5.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in New York, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	124	10	8.1%	59	1	1.7%	183	11	5.9%
2012	116	0	0.0%	71	4	5.6%	187	4	2.1%
2014	125	4	3.2%	65	0	0.0%	190	4	2.1%
2016	126	1	0.8%	64	1	1.6%	190	2	1.0%
2018	121	3	2.5%	63	8	12.7%	193	11	5.7%
2020	126	3	2.4%	46	1	2.2%	175	5	2.9%
2022	135	8	5.9%	50	2	4.0%	185	10	5.4%

Primary defeats

There were 213 seats up for election in New York. Overall, 191 incumbents filed for re-election, including 139 Democrats and 52 Republicans. Of that total, four incumbents lost in primaries—3 Democrats and one Republican—representing 2.1% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New York, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	100	31	3	3.0%	36	0	0	0.0%	136	31	3	2.2%
Senate	39	11	0	0.0%	16	4	1	6.3%	55	15	1	1.8%
Total	139	42	3	2.2%	52	4	1	1.9%	191	46	4	2.1%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in New York, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	128	35	4	3.1%	59	2	0	0.0%	187	37	4	2.1%
2012	118	24	2	1.7%	71	9	0	0.0%	189	33	2	1.1%
2014	126	22	1	0.8%	66	5	1	1.5%	192	27	2	1.0%
2016	129	28	3	2.3%	65	5	0	0.0%	194	33	3	1.5%
2018	131	27	9	6.9%	64	4	1	1.6%	195	31	10	5.1%
2020	132	34	5	3.8%	46	1	0	0.0%	180	35	5	2.8%
2022	139	42	3	2.2%	52	4	1	1.9%	191	46	4	2.1%

North Carolina

General election defeats

There were 170 seats up for election in North Carolina. Overall, 138 incumbents advanced to the general election, including 54 Democrats and 84 Republicans. Of that total, eight incumbents lost—seven Democrats and one Republican—representing 5.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Carolina, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	40	6	15.0%	59	1	1.7%	99	7	7.1%
Senate	14	1	7.1%	25	0	0.0%	39	1	2.6%
Total	54	7	13.0%	84	1	1.2%	138	8	5.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Carolina, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	83	20	24.1%	63	0	0.0%	146	20	13.7%
2012	47	5	10.6%	70	1	1.4%	117	6	5.1%
2014	52	1	1.9%	102	4	3.9%	154	5	3.2%
2016	57	3	5.3%	95	3	3.2%	152	6	3.9%
2018	54	2	3.7%	92	14	15.2%	146	16	11.0%
2020	69	6	8.7%	75	2	2.7%	144	8	5.6%
2022	54	7	13.0%	84	1	1.2%	138	8	5.8%

Primary defeats

There were 170 seats up for election in North Carolina. Overall, 144 incumbents filed for re-election, including 56 Democrats and 88 Republicans. Of that total, seven incumbents lost in primaries—two Democrats and five Republicans—representing 4.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Carolina, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	40	5	0	0.0%	62	16	3	4.8%	102	21	3	2.9%
Senate	16	4	2	12.5%	26	8	2	7.7%	42	12	4	9.5%
Total	56	9	2	3.6%	88	24	5	5.7%	144	33	7	4.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Carolina, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	88	24	4	4.5%	64	15	1	1.6%	152	39	5	3.3%
2012	50	15	2	4.0%	77	22	5	6.5%	127	37	7	5.5%
2014	54	9	2	3.7%	102	20	2	2.0%	156	29	4	2.6%
2016	57	13	1	1.8%	93	18	1	1.1%	150	31	2	1.3%
2018	57	11	3	5.3%	96	28	5	5.2%	153	39	8	5.2%
2020	69	12	1	1.4%	75	12	1	1.3%	144	24	2	1.4%
2022	56	9	2	3.6%	88	24	5	5.7%	144	33	7	4.9%

North Dakota

General election defeats

There were 98 seats up for election in North Dakota. Overall, 67 incumbents advanced to the general election, including 16 Democrats and 51 Republicans. Of that total, eight incumbents lost—six Democrats and two Republicans—representing 11.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Dakota, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	10	3	30.0%	34	2	5.9%	44	5	11.4%
Senate	6	3	50.0%	17	0	0.0%	23	3	13.0%
Total	16	6	37.5%	51	2	3.9%	67	8	11.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in North Dakota, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	24	12	50.0%	33	0	0.0%	57	12	21.1%
2012	18	4	22.2%	39	2	5.1%	57	6	10.5%
2014	10	1	10.0%	49	2	4.1%	59	3	5.1%
2016	21	15	71.4%	31	2	6.5%	52	17	32.7%
2018	11	0	0.0%	48	4	8.3%	59	4	6.8%
2020	7	3	42.9%	54	0	0.0%	61	3	4.9%
2022	16	6	37.5%	51	2	3.9%	67	8	11.9%

Primary defeats

There were 98 seats up for election in North Dakota. Overall, 75 incumbents filed for re-election, including 17 Democrats and 58 Republicans. Of that total, eight incumbents lost in primaries—one Democrat and seven Republicans—representing 10.7% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Dakota, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	11	1	1	9.1%	38	20	4	10.5%	49	21	5	10.2%
Senate	6	1	0	0.0%	20	5	3	15.0%	26	6	3	11.5%
Total	17	2	1	5.9%	58	25	7	12.1%	75	27	8	10.7%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in North Dakota, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	24	2	0	0.0%	33	0	0	0.0%	57	2	0	0.0%
2012	18	0	0	0.0%	43	10	4	9.3%	61	10	4	6.6%
2014	10	0	0	0.0%	49	4	0	0.0%	59	4	0	0.0%
2016	21	0	0	0.0%	33	7	2	6.1%	54	7	2	3.7%
2018	11	0	0	0.0%	49	6	1	2.0%	60	6	1	1.7%
2020	7	0	0	0.0%	56	5	2	3.6%	63	5	2	3.2%
2022	17	2	1	5.9%	58	25	7	12.1%	75	27	8	10.7%

Ohio

General election defeats

There were 116 seats up for election in Ohio. Overall, 83 incumbents advanced to the general election, including 23 Democrats and 60 Republicans. Of that total, two Democratic incumbents lost, representing 2.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Ohio, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	20	1	5.0%	52	0	0.0%	72	1	1.4%
Senate	3	1	33.3%	8	0	0.0%	11	1	9.1%
Total	23	2	8.7%	60	0	0.0%	83	2	2.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Ohio, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	46	13	28.3%	40	0	0.0%	86	13	15.1%
2012	35	0	0.0%	65	2	3.1%	100	2	2.0%
2014	30	3	10.0%	56	0	0.0%	86	3	3.5%
2016	28	1	3.6%	59	0	0.0%	87	1	1.1%
2018	24	0	0.0%	50	1	2.0%	74	1	1.4%
2020	35	3	8.6%	56	1	1.8%	91	4	4.4%
2022	23	2	8.7%	60	0	0.0%	83	2	2.4%

Primary defeats

There were 116 seats up for election in Ohio. Overall, 86 incumbents filed for re-election, including 24 Democrats and 62 Republicans. Of that total, three incumbents lost in primaries—one Democrat and two Republicans—representing 3.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Ohio, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	21	6	1	4.8%	54	13	2	3.7%	75	19	3	4.0%
Senate	3	0	0	0.0%	8	1	0	0.0%	11	1	0	0.0%
Total	24	6	1	4.2%	62	14	2	3.2%	86	20	3	3.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Ohio, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	47	6	1	2.1%	40	8	0	0.0%	87	14	1	1.1%
2012	36	6	0	0.0%	62	8	1	1.6%	98	14	1	1.0%
2014	31	4	1	3.2%	59	19	2	3.4%	90	23	3	3.3%
2016	28	4	0	0.0%	58	10	1	1.7%	86	14	1	1.2%
2018	25	6	0	0.0%	49	14	1	2.0%	74	20	1	1.4%
2020	35	8	0	0.0%	57	7	1	1.8%	92	15	1	1.1%
2022	24	6	1	4.2%	62	14	2	3.2%	86	20	3	3.5%

Oklahoma

General election defeats

There were 125 seats up for election in Oklahoma. Overall, 102 incumbents advanced to the general election, including 21 Democrats and 81 Republicans. Of that total, one Democratic incumbent lost, representing 1.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oklahoma, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	14	0	0.0%	71	0	0.0%	85	0	0.0%
Senate	7	1	14.3%	10	0	0.0%	17	1	5.9%
Total	21	1	4.8%	81	0	0.0%	102	1	1.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oklahoma, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	40	6	15.0%	62	0	0.0%	102	6	5.9%
2012	30	0	0.0%	71	0	0.0%	101	0	0.0%
2014	25	0	0.0%	70	1	1.4%	95	1	1.1%
2016	20	0	0.0%	61	0	0.0%	81	0	0.0%
2018	22	3	13.6%	48	0	0.0%	70	3	4.3%
2020	22	4	18.2%	85	0	0.0%	107	4	3.7%
2022	21	1	4.8%	81	0	0.0%	102	1	1.0%

Primary defeats

There were 125 seats up for election in Oklahoma. Overall, 105 incumbents filed for re-election, including 21 Democrats and 84 Republicans. Of that total, three incumbents lost in primaries—all Republicans—representing 2.9% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oklahoma, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	14	1	0	0.0%	73	19	2	2.7%	87	20	2	2.3%
Senate	7	1	0	0.0%	11	5	1	9.1%	18	6	1	5.6%
Total	21	2	0	0.0%	84	24	3	3.6%	105	26	3	2.9%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oklahoma, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	41	5	1	2.4%	62	7	0	0.0%	103	12	1	1.0%
2012	30	2	0	0.0%	72	17	1	1.4%	102	19	1	1.0%
2014	25	1	0	0.0%	70	12	0	0.0%	95	13	0	0.0%
2016	20	4	0	0.0%	64	24	3	4.7%	84	28	3	3.6%
2018	22	2	0	0.0%	60	35	12	20.0%	82	37	12	14.6%
2020	23	3	1	4.3%	91	30	6	6.6%	114	33	7	6.1%
2022	21	2	0	0.0%	84	24	3	3.6%	105	26	3	2.9%

Oregon

General election defeats

There were 75 seats up for election in Oregon. Overall, 50 incumbents advanced to the general election, including 33 Democrats and 17 Republicans. Of that total, one Republican incumbent lost, representing 2.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oregon, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	24	0	0.0%	15	0	0.0%	39	0	0.0%
Senate	9	0	0.0%	2	1	50.0%	11	1	9.1%
Total	33	0	0.0%	17	1	5.9%	50	1	2.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Oregon, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	43	4	9.3%	25	0	0.0%	68	4	5.9%
2012	30	0	0.0%	34	4	11.8%	64	4	6.3%
2014	38	0	0.0%	21	2	9.5%	59	2	3.4%
2016	30	0	0.0%	28	0	0.0%	58	0	0.0%
2018	41	0	0.0%	23	3	13.0%	64	3	4.7%
2020	34	0	0.0%	26	1	3.8%	60	1	1.7%
2022	33	0	0.0%	17	1	5.9%	50	1	2.0%

Primary defeats

There were 75 seats up for election in Oregon. Overall, 51 incumbents filed for re-election, including 34 Democrats and 17 Republicans. Of that total, one Democratic lost in a primary, representing 2.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oregon, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	25	4	1	4.0%	15	3	0	0.0%	40	7	1	2.5%
Senate	9	0	0	0.0%	2	2	0	0.0%	11	2	0	0.0%
Total	34	4	1	2.9%	17	5	0	0.0%	51	9	1	2.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Oregon, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	44	2	0	0.0%	25	7	0	0.0%	69	9	0	0.0%
2012	31	1	1	3.2%	35	3	1	2.9%	66	4	2	3.0%
2014	38	3	0	0.0%	22	3	1	4.5%	60	6	1	1.7%
2016	30	2	0	0.0%	28	2	0	0.0%	58	4	0	0.0%
2018	42	4	1	2.4%	23	5	1	4.3%	65	9	2	3.1%
2020	34	4	0	0.0%	26	1	0	0.0%	60	5	0	0.0%
2022	34	4	1	2.9%	17	5	0	0.0%	51	9	1	2.0%

Pennsylvania

General election defeats

There were 228 seats up for election in Pennsylvania. Overall, 179 incumbents advanced to the general election, including 88 Democrats and 91 Republicans. Of that total, five incumbents lost—one Democrat and four Republicans—representing 2.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Pennsylvania, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	77	1	1.3%	83	4	4.8%	160	5	3.1%
Senate	11	0	0.0%	8	0	0.0%	19	0	0.0%
Total	88	1	1.1%	91	4	4.4%	179	5	2.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Pennsylvania, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	101	9	8.9%	106	0	0.0%	207	9	4.3%
2012	83	0	0.0%	113	1	0.9%	196	1	0.5%
2014	90	4	4.4%	108	0	0.0%	198	4	2.0%
2016	83	4	4.8%	122	2	1.6%	205	6	2.9%
2018	78	2	2.6%	111	10	9.0%	189	12	6.3%
2020	89	4	4.5%	113	1	0.9%	202	5	2.5%
2022	88	1	1.1%	91	4	4.4%	179	5	2.8%

Primary defeats

There were 228 seats up for election in Pennsylvania. Overall, 190 incumbents filed for re-election, including 92 Democrats and 98 Republicans. Of that total, 11 incumbents lost in primaries—four Democrats and seven Republicans—representing 5.8% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Pennsylvania, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	81	19	4	4.9%	89	20	6	6.7%	170	39	10	5.9%
Senate	11	1	0	0.0%	9	2	1	11.1%	20	3	1	5.0%
Total	92	20	4	4.3%	98	22	7	7.1%	190	42	11	5.8%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Pennsylvania, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	100	20	0	0.0%	107	9	1	0.9%	207	29	1	0.5%
2012	88	17	4	4.5%	115	15	1	0.9%	203	32	5	2.5%
2014	95	30	5	5.3%	108	12	1	0.9%	203	42	6	3.0%
2016	89	19	4	4.5%	120	9	0	0.0%	209	28	4	1.9%
2018	82	14	3	3.7%	114	8	1	0.9%	196	22	4	2.0%
2020	96	18	6	6.3%	113	10	0	0.0%	209	28	6	2.9%
2022	92	20	4	4.3%	98	22	7	7.1%	190	42	11	5.8%

Rhode Island

General election defeats

There were 113 seats up for election in Rhode Island. Overall, 95 incumbents advanced to the general election, including 82 Democrats and 13 Republicans. Of that total, two incumbents lost—one Democrat and one Republican—representing 2.1% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Rhode Island, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	56	1	1.8%	9	1	11.1%	65	2	3.1%
Senate	26	0	0.0%	4	0	0.0%	30	0	0.0%
Total	82	1	1.2%	13	1	7.7%	95	2	2.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Rhode Island, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	79	4	5.1%	8	0	0.0%	88	4	4.5%
2012	78	0	0.0%	15	4	26.7%	94	4	4.3%
2014	92	7	7.6%	9	0	0.0%	102	7	6.9%
2016	85	1	1.2%	13	1	7.7%	99	2	2.0%
2018	83	1	1.2%	12	3	25.0%	95	4	4.2%
2020	80	2	2.5%	13	0	0.0%	94	3	3.2%
2022	82	1	1.2%	13	1	7.7%	95	2	2.1%

Primary defeats

There were 113 seats up for election in Rhode Island. Overall, 99 incumbents filed for re-election, including 86 Democrats and 13 Republicans. Of that total, four Democratic incumbents lost in primaries, representing 4.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Rhode Island, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	59	19	3	5.1%	9	1	0	0.0%	68	20	3	4.4%
Senate	27	10	1	3.7%	4	0	0	0.0%	31	10	1	3.2%
Total	86	29	4	4.7%	13	1	0	0.0%	99	30	4	4.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Rhode Island, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	88	32	9	10.2%	9	2	1	11.1%	98	34	10	10.2%
2012	84	24	6	7.1%	15	2	0	0.0%	100	26	6	6.0%
2014	95	18	3	3.2%	9	0	0	0.0%	105	18	3	2.9%
2016	91	18	6	6.6%	13	0	0	0.0%	105	18	6	5.7%
2018	86	20	3	3.5%	12	0	0	0.0%	98	20	3	3.1%
2020	90	26	10	11.1%	13	0	0	0.0%	104	26	10	9.6%
2022	86	29	4	4.7%	13	1	0	0.0%	99	30	4	4.0%

South Carolina

General election defeats

There were 124 seats up for election in South Carolina. Overall, 103 incumbents advanced to the general election, including 39 Democrats and 64 Republicans. Of that total, six incumbents lost—five Democrats and one Republican—representing 5.8% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Carolina, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	39	5	12.8%	64	1	1.6%	103	6	5.8%
Senate	Did not hold elections.
Total	39	5	12.8%	64	1	1.6%	103	6	5.8%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Carolina, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	48	3	6.3%	58	0	0.0%	106	3	2.8%
2012	55	0	0.0%	89	2	2.2%	144	2	1.4%
2014	41	0	0.0%	71	1	1.4%	112	1	0.9%
2016	56	0	0.0%	88	0	0.0%	144	0	0.0%
2018	39	1	2.6%	72	2	2.8%	111	3	2.7%
2020	59	5	8.5%	95	0	0.0%	154	5	3.2%
2022	39	5	12.8%	64	1	1.6%	103	6	5.8%

Primary defeats

There were 124 seats up for election in South Carolina. Overall, 111 incumbents filed for re-election, including 41 Democrats and 70 Republicans. Of that total, eight incumbents lost in primaries—two Democrats and six Republicans—representing 7.2% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Carolina, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	41	11	2	4.9%	70	23	6	8.6%	111	34	8	7.2%
Senate	Did not hold elections.
Total	41	11	2	4.9%	70	23	6	8.6%	111	34	8	7.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Carolina, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	48	11	0	0.0%	64	15	5	7.8%	112	26	5	4.5%
2012	57	7	2	3.5%	91	16	3	3.3%	148	23	5	3.4%
2014	42	5	0	0.0%	73	15	2	2.7%	115	20	2	1.7%
2016	57	14	1	1.8%	96	28	8	8.3%	153	42	9	5.9%
2018	42	11	3	7.1%	74	25	2	2.7%	116	36	5	4.3%
2020	59	14	1	1.7%	97	22	1	1.0%	156	36	2	1.3%
2022	41	11	2	4.9%	70	23	6	8.6%	111	34	8	7.2%

South Dakota

General election defeats

There were 105 seats up for election in South Dakota. Overall, 64 incumbents advanced to the general election, including 7 Democrats and 57 Republicans. Of that total, two incumbents lost—one Democrat and one Republican—representing 3.1% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Dakota, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	5	1	20.0%	34	0	0.0%	39	1	2.6%
Senate	2	0	0.0%	23	1	4.3%	25	1	4.0%
Total	7	1	14.3%	57	1	1.8%	64	2	3.1%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in South Dakota, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	25	9	36.0%	44	0	0.0%	69	9	13.0%
2012	13	0	0.0%	53	4	7.5%	66	4	6.1%
2014	16	2	12.5%	58	1	1.7%	74	3	4.1%
2016	10	1	10.0%	50	1	2.0%	60	2	3.3%
2018	9	1	11.1%	67	3	4.5%	76	4	5.3%
2020	13	4	30.8%	59	0	0.0%	72	4	5.6%
2022	7	1	14.3%	57	1	1.8%	64	2	3.1%

Primary defeats

There were 105 seats up for election in South Dakota. Overall, 71 incumbents filed for re-election, including eight Democrats and 63 Republicans. Of that total, five incumbents lost in primaries—all Republicans—representing 7.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Dakota, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	6	0	0	0.0%	39	26	4	10.3%	45	26	4	8.9%
Senate	2	0	0	0.0%	24	9	1	4.2%	26	9	1	3.8%
Total	8	0	0	0.0%	63	35	5	7.9%	71	35	5	7.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in South Dakota, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	26	3	1	3.8%	45	4	0	0.0%	71	7	1	1.4%
2012	15	3	1	6.7%	59	22	4	6.8%	74	25	5	6.8%
2014	16	2	0	0.0%	58	15	0	0.0%	74	17	0	0.0%
2016	10	0	0	0.0%	53	18	2	3.8%	63	18	2	3.2%
2018	9	3	0	0.0%	70	17	0	0.0%	79	20	0	0.0%
2020	14	2	0	0.0%	63	23	4	6.3%	77	25	4	5.2%
2022	8	0	0	0.0%	63	35	5	7.9%	71	35	5	7.0%

Tennessee

General election defeats

There were 116 seats up for election in Tennessee. Overall, 97 incumbents advanced to the general election, including 24 Democrats, 72 Republicans, and one minor party or independent officeholder. Of that total, one minor party or independent incumbent lost, representing 1.0% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Tennessee, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	21	0	0.0%	61	0	0.0%	83	1	1.2%
Senate	3	0	0.0%	11	0	0.0%	14	0	0.0%
Total	24	0	0.0%	72	0	0.0%	97	1	1.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Tennessee, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	54	13	24.1%	49	0	0.0%	104	13	12.5%
2012	25	1	4.0%	60	1	1.7%	86	2	2.3%
2014	27	2	7.4%	69	0	0.0%	96	2	2.1%
2016	25	1	4.0%	81	1	1.2%	106	2	1.9%
2018	19	0	0.0%	66	1	1.5%	85	1	1.2%
2020	25	0	0.0%	79	1	1.3%	105	2	1.9%
2022	24	0	0.0%	72	0	0.0%	97	1	1.0%

Primary defeats

There were 116 seats up for election in Tennessee. Overall, 99 incumbents filed for re-election, including 24 Democrats and 74 Republicans. Of that total, two incumbents lost in primaries—both Republicans—representing 2.0% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Tennessee, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	21	4	0	0.0%	63	7	2	3.2%	85	11	2	2.4%
Senate	3	1	0	0.0%	11	3	0	0.0%	14	4	0	0.0%
Total	24	5	0	0.0%	74	10	2	2.7%	99	15	2	2.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Tennessee, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	54	6	0	0.0%	51	6	2	3.9%	106	12	2	1.9%
2012	30	11	5	16.7%	67	24	7	10.4%	98	35	12	12.2%
2014	29	5	2	6.9%	75	20	6	8.0%	104	25	8	7.7%
2016	26	8	0	0.0%	83	26	2	2.4%	109	34	2	1.8%
2018	20	7	1	5.0%	69	17	2	2.9%	89	24	3	3.4%
2020	26	10	1	3.8%	82	18	3	3.7%	109	28	4	3.7%
2022	24	5	0	0.0%	74	10	2	2.7%	99	15	2	2.0%

Texas

General election defeats

There were 181 seats up for election in Texas. Overall, 150 incumbents advanced to the general election, including 67 Democrats and 83 Republicans. No incumbents who advanced to the general election lost.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Texas, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	56	0	0.0%	69	0	0.0%	125	0	0.0%
Senate	11	0	0.0%	14	0	0.0%	25	0	0.0%
Total	67	0	0.0%	83	0	0.0%	150	0	0.0%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Texas, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	71	21	29.6%	80	0	0.0%	151	21	13.9%
2012	52	0	0.0%	83	3	3.6%	135	3	2.2%
2014	55	2	3.6%	83	0	0.0%	138	2	1.4%
2016	53	0	0.0%	90	4	4.4%	144	5	3.5%
2018	52	0	0.0%	90	10	11.1%	142	10	7.0%
2020	68	1	1.5%	83	2	2.4%	151	3	2.0%
2022	67	0	0.0%	83	0	0.0%	150	0	0.0%

Primary defeats

There were 181 seats up for election in Texas. Overall, 152 incumbents filed for re-election, including 68 Democrats and 84 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 1.3% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Texas, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	56	12	1	1.8%	70	30	1	1.4%	126	42	2	1.6%
Senate	12	1	0	0.0%	14	2	0	0.0%	26	3	0	0.0%
Total	68	13	1	1.5%	84	32	1	1.2%	152	45	2	1.3%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Texas, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	75	8	4	5.3%	82	20	3	3.7%	157	28	7	4.5%
2012	53	8	0	0.0%	94	43	11	11.7%	147	51	11	7.5%
2014	57	11	2	3.5%	93	28	9	9.7%	150	39	11	7.3%
2016	54	13	0	0.0%	95	33	5	5.3%	150	46	5	3.3%
2018	57	17	5	8.8%	94	33	4	4.3%	151	50	9	6.0%
2020	70	21	2	2.9%	85	11	2	2.4%	155	32	4	2.6%
2022	68	13	1	1.5%	84	32	1	1.2%	152	45	2	1.3%

Utah

General election defeats

There were 90 seats up for election in Utah. Overall, 76 incumbents advanced to the general election, including 16 Democrats, 59 Republicans, and one minor party or independent officeholder. Of that total, three incumbents lost—two Democrats and one minor party or independent officeholder—representing 3.9% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Utah, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	15	2	13.3%	48	0	0.0%	64	3	4.7%
Senate	1	0	0.0%	11	0	0.0%	12	0	0.0%
Total	16	2	12.5%	59	0	0.0%	76	3	3.9%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Utah, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	27	6	22.2%	52	0	0.0%	79	6	7.6%
2012	15	1	6.7%	55	1	1.8%	70	2	2.9%
2014	13	1	7.7%	61	0	0.0%	74	1	1.4%
2016	13	1	7.7%	63	1	1.6%	76	2	2.6%
2018	14	0	0.0%	53	1	1.9%	67	1	1.5%
2020	15	0	0.0%	59	1	1.7%	74	1	1.4%
2022	16	2	12.5%	59	0	0.0%	76	3	3.9%

Primary defeats

There were 90 seats up for election in Utah. Overall, 82 incumbents filed for re-election, including 18 Democrats and 64 Republicans. Of that total, seven incumbents lost in primaries—two Democrats and five Republicans—representing 8.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Utah, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	15	0	0	0.0%	53	9	5	9.4%	68	9	5	7.4%
Senate	3	2	2	66.7%	11	4	0	0.0%	14	6	2	14.3%
Total	18	2	2	11.1%	64	13	5	7.8%	82	15	7	8.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Utah, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	27	1	0	0.0%	54	8	2	3.7%	81	9	2	2.5%
2012	17	2	2	11.8%	61	12	6	9.8%	78	14	8	10.3%
2014	13	0	0	0.0%	64	4	3	4.7%	77	4	3	3.9%
2016	13	0	0	0.0%	63	6	3	4.8%	76	6	3	3.9%
2018	14	0	0	0.0%	51	3	0	0.0%	65	3	0	0.0%
2020	15	0	0	0.0%	62	12	3	4.8%	77	12	3	3.9%
2022	18	2	2	11.1%	64	13	5	7.8%	82	15	7	8.5%

Vermont

General election defeats

There were 180 seats up for election in Vermont. Overall, 123 incumbents advanced to the general election, including 86 Democrats, 35 Republicans, and two minor party or independent officeholders. Of that total, four incumbents lost—one Democrat and three Republicans—representing 3.3% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Vermont, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	71	1	1.4%	31	3	9.7%	104	4	3.8%
Senate	15	0	0.0%	4	0	0.0%	19	0	0.0%
Total	86	1	1.2%	35	3	8.6%	123	4	3.3%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Vermont, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	106	4	3.8%	47	2	4.3%	158	6	3.8%
2012	106	3	2.8%	45	3	6.7%	155	6	3.9%
2014	105	11	10.5%	44	0	0.0%	152	11	7.2%
2016	88	6	6.8%	57	4	7.0%	151	10	6.6%
2018	91	1	1.1%	44	6	13.6%	145	10	6.9%
2020	104	5	4.8%	44	1	2.3%	156	10	6.4%
2022	86	1	1.2%	35	3	8.6%	123	4	3.3%

Primary defeats

There were 180 seats up for election in Vermont. Overall, 125 incumbents filed for re-election, including 87 Democrats and 36 Republicans. Of that total, two incumbents lost in primaries—one Democrat and one Republican—representing 1.6% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Vermont, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	72	7	1	1.4%	32	4	1	3.1%	106	11	2	1.9%
Senate	15	7	0	0.0%	4	0	0	0.0%	19	7	0	0.0%
Total	87	14	1	1.1%	36	4	1	2.8%	125	18	2	1.6%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Vermont, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	107	8	0	0.0%	47	5	0	0.0%	159	13	0	0.0%
2012	105	11	0	0.0%	45	1	0	0.0%	155	12	0	0.0%
2014	105	5	0	0.0%	45	3	1	2.2%	153	8	1	0.7%
2016	88	23	0	0.0%	58	4	1	1.7%	152	27	1	0.7%
2018	88	15	2	2.3%	44	4	1	2.3%	148	19	3	2.0%
2020	106	22	2	1.9%	44	4	0	0.0%	158	26	2	1.3%
2022	87	14	1	1.1%	36	4	1	2.8%	125	18	2	1.6%

Washington

General election defeats

There were 122 seats up for election in Washington. Overall, 96 incumbents advanced to the general election, including 59 Democrats and 37 Republicans. Of that total, four Republican incumbents lost, representing 4.2% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Washington, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	46	0	0.0%	32	3	9.4%	78	3	3.8%
Senate	13	0	0.0%	5	1	20.0%	18	1	5.6%
Total	59	0	0.0%	37	4	10.8%	96	4	4.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Washington, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	64	8	12.5%	38	1	2.6%	102	9	8.8%
2012	53	1	1.9%	44	2	4.5%	97	3	3.1%
2014	63	4	6.3%	47	0	0.0%	110	4	3.6%
2016	51	0	0.0%	51	3	5.9%	102	3	2.9%
2018	58	1	1.7%	46	8	17.4%	104	9	8.7%
2020	62	3	4.8%	45	2	4.4%	107	5	4.7%
2022	59	0	0.0%	37	4	10.8%	96	4	4.2%

Primary defeats

There were 122 seats up for election in Washington. Overall, 96 incumbents filed for re-election, including 59 Democrats and 37 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Washington, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	46	17	0	0.0%	32	7	0	0.0%	78	24	0	0.0%
Senate	13	5	0	0.0%	5	2	0	0.0%	18	7	0	0.0%
Total	59	22	0	0.0%	37	9	0	0.0%	96	31	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Washington, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	65	21	1	1.5%	38	3	0	0.0%	103	24	1	1.0%
2012	53	10	0	0.0%	45	5	1	2.2%	98	15	1	1.0%
2014	63	15	0	0.0%	48	8	1	2.1%	111	23	1	0.9%
2016	52	16	1	1.9%	51	16	0	0.0%	103	32	1	1.0%
2018	59	16	1	1.7%	47	18	1	2.1%	106	34	2	1.9%
2020	62	25	0	0.0%	45	13	0	0.0%	107	38	0	0.0%
2022	59	22	0	0.0%	37	9	0	0.0%	96	31	0	0.0%

West Virginia

General election defeats

There were 117 seats up for election in West Virginia. Overall, 88 incumbents advanced to the general election, including 20 Democrats and 68 Republicans. Of that total, 10 incumbents lost—eight Democrats and two Republicans—representing 11.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in West Virginia, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	15	4	26.7%	60	2	3.3%	75	6	8.0%
Senate	5	4	80.0%	8	0	0.0%	13	4	30.8%
Total	20	8	40.0%	68	2	2.9%	88	10	11.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in West Virginia, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	74	5	6.8%	25	0	0.0%	99	5	5.1%
2012	64	7	10.9%	32	1	3.1%	96	8	8.3%
2014	54	22	40.7%	44	1	2.3%	98	23	23.5%
2016	34	8	23.5%	56	6	10.7%	90	14	15.6%
2018	37	4	10.8%	56	9	16.1%	94	14	14.9%
2020	33	11	33.3%	51	0	0.0%	84	11	13.1%
2022	20	8	40.0%	68	2	2.9%	88	10	11.4%

Primary defeats

There were 117 seats up for election in West Virginia. Overall, 98 incumbents filed for re-election, including 22 Democrats and 76 Republicans. Of that total, 11 incumbents lost in primaries—two Democrats and nine Republicans—representing 11.2% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in West Virginia, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	17	4	1	5.9%	68	27	9	13.2%	85	31	10	11.8%
Senate	5	1	1	20.0%	8	4	0	0.0%	13	5	1	7.7%
Total	22	5	2	9.1%	76	31	9	11.8%	98	36	11	11.2%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in West Virginia, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	76	46	2	2.6%	27	6	1	3.7%	103	52	3	2.9%
2012	66	37	2	3.0%	32	8	0	0.0%	98	45	2	2.0%
2014	60	19	6	10.0%	46	15	1	2.2%	106	34	7	6.6%
2016	35	20	1	2.9%	58	18	1	1.7%	93	38	2	2.2%
2018	38	15	1	2.6%	60	25	4	6.7%	99	40	5	5.1%
2020	33	14	0	0.0%	60	31	10	16.7%	93	45	10	10.8%
2022	22	5	2	9.1%	76	31	9	11.8%	98	36	11	11.2%

Wisconsin

General election defeats

There were 116 seats up for election in Wisconsin. Overall, 86 incumbents advanced to the general election, including 31 Democrats and 55 Republicans. Of that total, one Democratic incumbent lost, representing 1.2% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wisconsin, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	28	1	3.6%	48	0	0.0%	76	1	1.3%
Senate	3	0	0.0%	7	0	0.0%	10	0	0.0%
Total	31	1	3.2%	55	0	0.0%	86	1	1.2%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wisconsin, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	51	13	25.5%	40	0	0.0%	92	13	14.1%
2012	34	2	5.9%	58	3	5.2%	92	5	5.4%
2014	36	3	8.3%	51	0	0.0%	87	3	3.4%
2016	39	2	5.1%	63	0	0.0%	102	2	2.0%
2018	35	1	2.9%	63	0	0.0%	98	1	1.0%
2020	32	1	3.1%	62	2	3.2%	94	3	3.2%
2022	31	1	3.2%	55	0	0.0%	86	1	1.2%

Primary defeats

There were 116 seats up for election in Wisconsin. Overall, 86 incumbents filed for re-election, including 31 Democrats and 55 Republicans. No incumbents who filed for re-election lost in primaries.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wisconsin, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	28	0	0	0.0%	48	7	0	0.0%	76	7	0	0.0%
Senate	3	0	0	0.0%	7	2	0	0.0%	10	2	0	0.0%
Total	31	0	0	0.0%	55	9	0	0.0%	86	9	0	0.0%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wisconsin, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	52	6	1	1.9%	40	7	0	0.0%	93	13	1	1.1%
2012	36	9	2	5.6%	58	6	0	0.0%	94	15	2	2.1%
2014	36	2	0	0.0%	51	1	0	0.0%	87	3	0	0.0%
2016	39	8	0	0.0%	63	0	0	0.0%	102	8	0	0.0%
2018	37	3	2	5.4%	63	1	0	0.0%	100	4	2	2.0%
2020	33	5	1	3.0%	62	4	0	0.0%	95	9	1	1.1%
2022	31	0	0	0.0%	55	9	0	0.0%	86	9	0	0.0%

Wyoming

General election defeats

There were 78 seats up for election in Wyoming. Overall, 47 incumbents advanced to the general election, including seven Democrats, 39 Republicans, and one minor party or independent officeholder. Of that total, three incumbents lost—two Democrats and one minor party or independent officeholder—representing 6.4% of incumbents who advanced to the general election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wyoming, 2022
Chamber
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
House	5	2	40.0%	30	0	0.0%	36	3	8.3%
Senate	2	0	0.0%	9	0	0.0%	11	0	0.0%
Total	7	2	28.6%	39	0	0.0%	47	3	6.4%

Historical general election defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in general elections in Wyoming, 2010-2022
Year
	Democratic incumbents			Republican incumbents			Total incumbents
	Running	Def.	%	Running	Def.	%	Running	Def.	%
2010	18	7	38.9%	42	0	0.0%	60	7	11.7%
2012	9	1	11.1%	48	0	0.0%	57	1	1.8%
2014	9	0	0.0%	51	1	2.0%	60	1	1.7%
2016	9	2	22.2%	44	1	2.3%	53	3	5.7%
2018	9	2	22.2%	53	2	3.8%	62	4	6.5%
2020	7	3	42.9%	46	0	0.0%	54	3	5.6%
2022	7	2	28.6%	39	0	0.0%	47	3	6.4%

Primary defeats

There were 78 seats up for election in Wyoming. Overall, 57 incumbents filed for re-election, including seven Democrats and 49 Republicans. Of that total, 10 incumbents lost in primaries—all Republicans—representing 17.5% of incumbents who filed for re-election.

Statistics from 2022 are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wyoming, 2022
Chamber
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
House	5	0	0	0.0%	37	20	7	18.9%	43	20	7	16.3%
Senate	2	0	0	0.0%	12	8	3	25.0%	14	8	3	21.4%
Total	7	0	0	0.0%	49	28	10	20.4%	57	28	10	17.5%

Historical primary defeat statistics are shown below. Hover over column headings to learn more about their contents.

Incumbents defeated in primaries in Wyoming, 2010-2022
Year
	Democratic incumbents				Republican incumbents				Total incumbents
	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%	Filed	Cont.	Def.	%
2010	18	0	0	0.0%	42	15	0	0.0%	60	15	0	0.0%
2012	9	0	0	0.0%	51	21	3	5.9%	60	21	3	5.0%
2014	9	0	0	0.0%	55	26	4	7.3%	64	26	4	6.3%
2016	9	0	0	0.0%	46	20	3	6.5%	55	20	3	5.5%
2018	9	0	0	0.0%	56	19	3	5.4%	65	19	3	4.6%
2020	7	1	0	0.0%	52	30	6	11.5%	60	31	6	10.0%
2022	7	0	0	0.0%	49	28	10	20.4%	57	28	10	17.5%

Compared to odd-numbered years

See also: Incumbents defeated in state legislative elections, 2021

Several states hold state legislative elections in odd-numbered years, with 220 state legislative seats most recently up for election on November 2, 2021. This section provides a brief comparison with topline major party competition figures from the 2021 and previous odd-year state legislative elections.

The defeat of eight incumbents in primaries in 2021 was average compared to overall numbers from the preceding five election cycles. It was lower than the 16 incumbents defeated in primaries in 2019, but higher than 2017 when no incumbents lost in primaries. The defeat of 14 incumbents in general elections was above average compared to previous election cycles, tied with 2017 for the second-highest number of general election defeats since 2011.

Over the preceding decade, an average of eight incumbents lost in primaries each election cycle and an average of 13 lost in general elections. Overall, from 2011 to 2021, an average of 21 incumbents lost in each election cycle.

See also

• Defeated state legislative incumbents, 2022
• Election results, 2022: State legislatures
• State legislative elections, 2022
  • Impact of term limits on state legislative elections in 2022
  • Open seats in state legislative elections, 2022
  • Contested state legislative primaries, 2022
  • State legislative incumbents in contested primaries, 2022
  • Major party competition in state legislative elections, 2022
  • State legislative incumbents without general election challengers, 2022
• Primary election competitiveness in state and federal government, 2022