Most Conservative U.S. Senators of 2023

The top-ranked U.S. Senators by 2023 Moms for America Action scorecard score, based on substantive votes tracked by Moms for America Action.

See the methodology page for how scores are calculated.

Rank	Lawmaker	Party / State / District	2023 Score
1	Sen. Mike Lee	R-UT	100%
2	Sen. Rand Paul	R-KY	97%
3	Sen. Mike Braun	R-IN	96%
4	Sen. Jim Banks	R-IN	94%
5	Sen. Eric Schmitt	R-MO	94%
6	Sen. Tommy Tuberville	R-AL	93%
7	Sen. Ron Johnson	R-WI	93%
8	Sen. J.D. Vance	R-OH	91%
9	Sen. Joshua Hawley	R-MO	91%
10	Sen. Cynthia M. Lummis	R-WY	90%
11	Sen. Marsha Blackburn	R-TN	90%
12	Sen. Roger Marshall	R-KS	89%
13	Sen. Rick Scott	R-FL	89%
14	Sen. Steve Daines	R-MT	88%
15	Sen. Ted Cruz	R-TX	88%
16	Sen. Bill Hagerty	R-TN	88%
17	Sen. John Barrasso	R-WY	87%
18	Sen. Deb Fischer	R-NE	85%
19	Sen. Michael D. Crapo	R-ID	83%
20	Sen. James Lankford	R-OK	82%
21	Sen. Charles E. Grassley	R-IA	82%
22	Sen. John Cornyn	R-TX	82%
23	Sen. John Hoeven	R-ND	82%
24	Sen. John Kennedy	R-LA	82%
25	Sen. Kevin Cramer	R-ND	82%
26	Sen. Dan Sullivan	R-AK	81%
27	Sen. Katie Boyd Britt	R-AL	81%
28	Sen. Jim Risch	R-ID	80%
29	Sen. Tom Cotton	R-AR	80%
30	Sen. Marco Rubio	R-FL	79%
31	Sen. Joni Ernst	R-IA	79%
32	Sen. John Thune	R-SD	77%
33	Sen. Peter Ricketts	R-NE	75%
34	Sen. Cindy Hyde-Smith	R-MS	74%
35	Sen. Jerry Moran	R-KS	74%
36	Sen. Roger Wicker	R-MS	73%
37	Sen. John Boozman	R-AR	72%
38	Sen. Bill Cassidy	R-LA	72%
39	Sen. Thom Tillis	R-NC	71%
40	Sen. Mitch McConnell	R-KY	71%
41	Sen. Lindsey Graham	R-SC	70%
42	Sen. Todd Young	R-IN	68%
43	Sen. Shelley Moore Capito	R-WV	68%
44	Sen. Mike Rounds	R-SD	66%
45	Sen. Mitt Romney	R-UT	63%
46	Sen. Lisa Murkowski	R-AK	58%
47	Sen. Susan Collins	R-ME	57%
48	Sen. Joe Manchin III	I-WV	42%
49	Sen. Jon Tester	D-MT	33%
50	Sen. Kyrsten Sinema	I-AZ	27%