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.

Rank	Lawmaker	Party / State / District	2023 Score
1	Rep. Alex Mooney	R-WV-2	100%
2	Rep. Robert Good	R-VA-5	88%
3	Rep. Byron Donalds	R-FL-19	88%
4	Rep. Matt Rosendale	R-MT-2	88%
5	Rep. Matt Gaetz	R-FL-1	88%
6	Rep. Andy Biggs	R-AZ-5	88%
7	Rep. Marjorie Greene	R-GA-14	88%
8	Rep. Tim Burchett	R-TN-2	88%
9	Rep. Jefferson Van Drew	R-NJ-2	88%
10	Rep. Michael Lawler	R-NY-17	75%
11	Rep. Carol Miller	R-WV-1	75%
12	Rep. Christopher Smith	R-NJ-4	75%
13	Rep. Andrew Garbarino	R-NY-2	63%
14	Rep. Lance Gooden	R-TX-5	63%
15	Rep. Michael Waltz	R-FL-6	63%
16	Rep. David Valadao	R-CA-22	63%
17	Rep. Buddy Carter	R-GA-1	63%
18	Rep. Brian Fitzpatrick	R-PA-1	63%
19	Rep. Victoria Spartz	R-IN-5	63%
20	Rep. Thomas Kean	R-NJ-7	63%
21	Rep. Vern Buchanan	R-FL-16	63%
22	Rep. Mike Garcia	R-CA-25	63%
23	Rep. Young Kim	R-CA-40	63%
24	Rep. Thomas Massie	R-KY-4	63%
25	Rep. Greg Casar	D-TX-35	56%
26	Rep. Jared Huffman	D-CA-2	50%
27	Rep. Summer Lee	D-PA-12	50%
28	Rep. Lloyd Doggett	D-TX-37	50%
29	Rep. Chip Roy	R-TX-21	50%
30	Rep. Tom McClintock	R-CA-5	50%
31	Rep. Diana Harshbarger	R-TN-1	50%
32	Rep. Mike Collins	R-GA-10	50%
33	Rep. Scott Perry	R-PA-10	50%
34	Rep. Jamie Raskin	D-MD-8	50%
35	Rep. George Santos	R-NY-3	50%
36	Rep. Harriet Hageman	R-WY-At-Large	50%
37	Rep. Virginia Foxx	R-NC-5	50%
38	Rep. Roger Williams	R-TX-25	50%
39	Rep. Andrew Ogles	R-TN-5	50%
40	Rep. Lauren Boebert	R-CO-4	50%
41	Rep. Elijah Crane	R-AZ-2	50%
42	Rep. Earl Blumenauer	D-OR-3	50%
43	Rep. Chellie Pingree	D-ME-1	44%
44	Rep. Tony Gonzales	R-TX-34	38%
45	Rep. Ayanna Pressley	D-MA-7	38%
46	Rep. Eric Burlison	R-MO-7	38%
47	Rep. Tom Tiffany	R-WI-7	38%
48	Rep. Claudia Tenney	R-NY-24	38%
49	Rep. Cliff Bentz	R-OR-2	38%
50	Rep. Pramila Jayapal	D-WA-7	38%