Most Conservative U.S. Senators of 2025

The top-ranked U.S. Senators by 2025 GOP Platform scorecard score, based on substantive votes tracked by National GOP Platform.

See the methodology page for how scores are calculated.

Rank	Lawmaker	Party / State / District	2025 Score
1	Sen. Rand Paul	R-US	98%
2	Sen. Rick Scott	R-US	90%
3	Sen. Mike Lee	R-US	90%
4	Sen. Ron Johnson	R-US	89%
5	Sen. John Kennedy	R-US	89%
6	Sen. Cynthia Lummis	R-US	89%
7	Sen. Ted Cruz	R-US	89%
8	Sen. Bill Hagerty	R-US	88%
9	Sen. Ashley Moody	R-FL	88%
10	Sen. Jim Banks	R-IN	88%
11	Sen. Eric Schmitt	R-US	87%
12	Sen. John Curtis	R-US	87%
13	Sen. Harriet Hageman	R-US-0	87%
14	Sen. Joni Ernst	R-US	87%
15	Sen. Tommy Tuberville	R-US	87%
16	Sen. Ted Budd	R-US	87%
17	Sen. Bernie Moreno	R-US	86%
18	Sen. John Barrasso	R-US	86%
19	Sen. Jim Risch	R-ID	86%
20	Sen. Bill Cassidy	R-US	86%
21	Sen. Katie Britt	R-US	86%
22	Sen. Mitch McConnell	R-US	86%
23	Sen. Roger Marshall	R-US	85%
24	Sen. James Lankford	R-US	85%
25	Sen. Marsha Blackburn	R-US	85%
26	Sen. Steve Daines	R-US	85%
27	Sen. Michael Crapo	R-ID	85%
28	Sen. John Cornyn	R-TX	84%
29	Sen. Dave McCormick	R-PA	84%
30	Sen. Jon Husted	R-US	84%
31	Sen. John Hoeven	R-US	84%
32	Sen. Charles Grassley	R-IA	84%
33	Sen. Tim Scott	R-US	84%
34	Sen. Tim Sheehy	R-US	84%
35	Sen. Cindy Hyde-Smith	R-US	84%
36	Sen. Tom Cotton	R-US	83%
37	Sen. Jim Justice	R-WV	83%
38	Sen. Peter Ricketts	R-NE	83%
39	Sen. John Thune	R-US	83%
40	Sen. Roger Wicker	R-US	83%
41	Sen. Thom Tillis	R-NC	83%
42	Sen. Kevin Cramer	R-US	83%
43	Sen. Todd Young	R-US	82%
44	Sen. John Boozman	R-US	82%
45	Sen. Markwayne Mullin	R-US	82%
46	Sen. Jerry Moran	R-US	82%
47	Sen. Nicholas Begich	R-US-0	82%
48	Sen. Deb Fischer	R-US	82%
49	Sen. Lindsey Graham	R-US	81%
50	Sen. Shelley Capito	R-US	81%