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. Jefferson Van Drew	R-NJ-2	88%
4	Rep. Matt Rosendale	R-MT-2	88%
5	Rep. Marjorie Greene	R-GA-14	88%
6	Rep. Andy Biggs	R-AZ-5	88%
7	Rep. Byron Donalds	R-FL-19	88%
8	Rep. Tim Burchett	R-TN-2	88%
9	Rep. Matt Gaetz	R-FL-1	88%
10	Rep. Michael Lawler	R-NY-17	75%
11	Rep. Christopher Smith	R-NJ-4	75%
12	Rep. Carol Miller	R-WV-1	75%
13	Rep. Victoria Spartz	R-IN-5	63%
14	Rep. Thomas Massie	R-KY-4	63%
15	Rep. Young Kim	R-CA-40	63%
16	Rep. Mike Garcia	R-CA-25	63%
17	Rep. Andrew Garbarino	R-NY-2	63%
18	Rep. David Valadao	R-CA-22	63%
19	Rep. Michael Waltz	R-FL-6	63%
20	Rep. Brian Fitzpatrick	R-PA-1	63%
21	Rep. Buddy Carter	R-GA-1	63%
22	Rep. Lance Gooden	R-TX-5	63%
23	Rep. Vern Buchanan	R-FL-16	63%
24	Rep. Thomas Kean Jr.	R-NJ-7	63%
25	Rep. Greg Casar	D-TX-35	56%
26	Rep. Harriet Hageman	R-WY-At-Large	50%
27	Rep. Lauren Boebert	R-CO-4	50%
28	Rep. Lloyd Doggett	D-TX-37	50%
29	Rep. Chip Roy	R-TX-21	50%
30	Rep. Jamie Raskin	D-MD-8	50%
31	Rep. Elijah Crane	R-AZ-2	50%
32	Rep. Earl Blumenauer	D-OR-3	50%
33	Rep. Summer Lee	D-PA-12	50%
34	Rep. George Santos	R-NY-3	50%
35	Rep. Roger Williams	R-TX-25	50%
36	Rep. Andrew Ogles	R-TN-5	50%
37	Rep. Diana Harshbarger	R-TN-1	50%
38	Rep. Scott Perry	R-PA-10	50%
39	Rep. Virginia Foxx	R-NC-5	50%
40	Rep. Mike Collins	R-GA-10	50%
41	Rep. Jared Huffman	D-CA-2	50%
42	Rep. Tom McClintock	R-CA-5	50%
43	Rep. Chellie Pingree	D-ME-1	44%
44	Rep. Aaron Bean	R-FL-4	38%
45	Rep. Michael Burgess	R-TX-26	38%
46	Rep. Ilhan Omar	D-MN-5	38%
47	Rep. Tony Gonzales	R-TX-34	38%
48	Rep. Drew Ferguson	R-GA-3	38%
49	Rep. Russell Fry	R-SC-7	38%
50	Rep. Dina Titus	D-NV-1	38%