Who Mitt Romney votes with
Across 1205 divided votes — ones where both sides drew a real bloc. Unanimous votes are excluded: everyone agrees with everyone on those, so counting them would measure attendance rather than agreement.
Most often with
| Member | Party | Agreement |
|---|---|---|
| Shelley Moore Capito | R | 86.8% (1023/1179) |
| John Cornyn | R | 85.2% (996/1169) |
| Todd Young | R | 84.6% (997/1178) |
| Thom Tillis | R | 83.5% (931/1115) |
| Mike Rounds | R | 83.3% (870/1044) |
| Mitch McConnell | R | 83.1% (972/1169) |
| Roger F. Wicker | R | 81.4% (973/1195) |
| Chuck Grassley | R | 81.2% (978/1204) |
| Pete Ricketts | R | 80.6% (383/475) |
| Jerry Moran | R | 80.1% (896/1119) |
| James E. Risch | R | 80.0% (906/1133) |
| Bill Cassidy | R | 79.9% (939/1175) |
| Joni Ernst | R | 79.8% (950/1190) |
| Katie Boyd Britt | R | 79.7% (373/468) |
| Mike Crapo | R | 79.7% (924/1159) |
| Ted Budd | R | 78.9% (382/484) |
| John Thune | R | 78.4% (940/1199) |
| Deb Fischer | R | 77.9% (933/1198) |
| Kevin Cramer | R | 77.9% (850/1091) |
| John Barrasso | R | 77.3% (843/1090) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Peter Welch | D | 21.0% (102/486) |
| Bernard Sanders | I | 21.4% (237/1110) |
| John Fetterman | D | 22.2% (89/400) |
| Edward J. Markey | D | 24.4% (289/1186) |
| Elizabeth Warren | D | 24.5% (293/1198) |
| Ben Ray Luján | D | 24.5% (285/1162) |
| Jeff Merkley | D | 25.0% (290/1159) |
| Cory A. Booker | D | 25.0% (290/1161) |
| Tammy Baldwin | D | 25.1% (299/1193) |
| Martin Heinrich | D | 25.1% (297/1181) |
| Maria Cantwell | D | 25.1% (300/1196) |
| Tammy Duckworth | D | 25.2% (298/1181) |
| Ron Wyden | D | 25.2% (300/1189) |
| Mazie K. Hirono | D | 25.2% (302/1199) |
| Christopher Murphy | D | 25.2% (299/1187) |
| Chris Van Hollen | D | 25.3% (296/1169) |
| Richard Blumenthal | D | 25.4% (303/1193) |
| Patty Murray | D | 25.4% (301/1184) |
| Richard J. Durbin | D | 25.5% (299/1172) |
| Raphael G. Warnock | D | 25.5% (293/1149) |
Only members with at least 20 comparable votes are listed. Agreement is not endorsement and not coordination — two members can vote the same way for opposite reasons, and the record almost never says why.