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Most Conservative U.S. House Members of 2023

The top-ranked members of the U.S. House of Representatives by 2023 CMA scorecard score, based on substantive votes tracked by Competitive Markets Action.

See the methodology page for how scores are calculated.

RankLawmakerParty / State / District2023 Score
1Rep. Alex MooneyR-WV-2100%
2Rep. Matt RosendaleR-MT-288%
3Rep. Marjorie GreeneR-GA-1488%
4Rep. Byron DonaldsR-FL-1988%
5Rep. Andy BiggsR-AZ-588%
6Rep. Matt GaetzR-FL-188%
7Rep. Jefferson Van DrewR-NJ-288%
8Rep. Robert GoodR-VA-588%
9Rep. Tim BurchettR-TN-288%
10Rep. Christopher SmithR-NJ-475%
11Rep. Michael LawlerR-NY-1775%
12Rep. Carol MillerR-WV-175%
13Rep. Mike GarciaR-CA-2563%
14Rep. Thomas MassieR-KY-463%
15Rep. Vern BuchananR-FL-1663%
16Rep. Young KimR-CA-4063%
17Rep. Andrew GarbarinoR-NY-263%
18Rep. Buddy CarterR-GA-163%
19Rep. Michael WaltzR-FL-663%
20Rep. Victoria SpartzR-IN-563%
21Rep. Brian FitzpatrickR-PA-163%
22Rep. David ValadaoR-CA-2263%
23Rep. Lance GoodenR-TX-563%
24Rep. Thomas KeanR-NJ-763%
25Rep. Greg CasarD-TX-3556%
26Rep. Harriet HagemanR-WY-At-Large50%
27Rep. Tom McClintockR-CA-550%
28Rep. Diana HarshbargerR-TN-150%
29Rep. Scott PerryR-PA-1050%
30Rep. Jamie RaskinD-MD-850%
31Rep. Virginia FoxxR-NC-550%
32Rep. Elijah CraneR-AZ-250%
33Rep. Chip RoyR-TX-2150%
34Rep. Andrew OglesR-TN-550%
35Rep. Earl BlumenauerD-OR-350%
36Rep. Jared HuffmanD-CA-250%
37Rep. Mike CollinsR-GA-1050%
38Rep. Roger WilliamsR-TX-2550%
39Rep. George SantosR-NY-350%
40Rep. Lloyd DoggettD-TX-3750%
41Rep. Lauren BoebertR-CO-450%
42Rep. Summer LeeD-PA-1250%
43Rep. Chellie PingreeD-ME-144%
44Rep. Jeffrey DuncanR-SC-338%
45Rep. Michael BurgessR-TX-2638%
46Rep. Ilhan OmarD-MN-538%
47Rep. Tom TiffanyR-WI-738%
48Rep. Tony GonzalesR-TX-3438%
49Rep. Josh BrecheenR-OK-238%
50Rep. Drew FergusonR-GA-338%
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