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Most Conservative U.S. House Members of 2025

The top-ranked members of the U.S. House of Representatives by 2025 ILA scorecard score, based on substantive votes tracked by Institute for Legislative Analysis.

See the methodology page for how scores are calculated.

RankLawmakerParty / State / District2025 Score
1Rep. Chip RoyR-TX-21100%
2Rep. Andy BiggsR-AZ-598%
3Rep. Eric BurlisonR-MO-798%
4Rep. Elijah CraneR-AZ-298%
5Rep. Scott PerryR-PA-1096%
6Rep. Paul GosarR-AZ-996%
7Rep. Josh BrecheenR-OK-296%
8Rep. Ralph NormanR-SC-596%
9Rep. Keith SelfR-TX-395%
10Rep. Tim BurchettR-TN-294%
11Rep. Michael CloudR-TX-2794%
12Rep. Thomas MassieR-KY-494%
13Rep. Andrew ClydeR-GA-994%
14Rep. Marjorie Taylor GreeneR-GA-1493%
15Rep. Greg SteubeR-FL-1793%
16Rep. Andrew OglesR-TN-593%
17Rep. Lauren BoebertR-CO-493%
18Rep. Sheri BiggsR-SC-393%
19Rep. Brandon GillR-TX-2692%
20Rep. Mary MillerR-IL-1592%
21Rep. Victoria SpartzR-IN-591%
22Rep. Ben ClineR-VA-691%
23Rep. Clay HigginsR-LA-390%
24Rep. Andy HarrisR-MD-190%
25Rep. Tom TiffanyR-WI-790%
26Rep. Mark HarrisR-NC-890%
27Rep. Byron DonaldsR-FL-1990%
28Rep. Wesley HuntR-TX-3890%
29Rep. Aaron BeanR-FL-490%
30Rep. Russ FulcherR-ID-190%
31Rep. John McGuireR-VA-590%
32Rep. Pat HarriganR-NC-1089%
33Rep. Mike CollinsR-GA-1089%
34Rep. Bob OnderR-MO-389%
35Rep. Harriet M. HagemanR-WY-At-Large89%
36Rep. Diana HarshbargerR-TN-188%
37Rep. Warren DavidsonR-OH-888%
38Rep. Anna Paulina LunaR-FL-1388%
39Rep. Kat CammackR-FL-388%
40Rep. Jim JordanR-OH-488%
41Rep. Mike KennedyR-UT-388%
42Rep. Tom McClintockR-CA-588%
43Rep. Cory MillsR-FL-788%
44Rep. Mike JohnsonR-LA-487%
45Rep. Jeff CrankR-CO-587%
46Rep. Richard McCormickR-GA-787%
47Rep. Russell FryR-SC-787%
48Rep. Ronny JacksonR-TX-1387%
49Rep. John JoyceR-PA-1387%
50Rep. Kevin HernR-OK-186%
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