Who Markwayne Mullin votes with
Across 1864 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 |
|---|---|---|
| Jon Husted | R | 99.4% (623/627) |
| James C. Justice | R | 99.3% (598/602) |
| Bernie Moreno | R | 99.2% (625/630) |
| David McCormick | R | 99.2% (606/611) |
| Tim Sheehy | R | 99.2% (605/610) |
| Ashley Moody | R | 98.9% (617/624) |
| Tom Cotton | R | 97.6% (1081/1108) |
| Deb Fischer | R | 97.4% (1104/1133) |
| Katie Boyd Britt | R | 97.4% (1072/1101) |
| Cindy Hyde-Smith | R | 97.1% (1088/1121) |
| John Barrasso | R | 97.1% (1033/1064) |
| John Boozman | R | 97.1% (1101/1134) |
| Tim Scott | R | 97.0% (1008/1039) |
| Marsha Blackburn | R | 96.8% (1054/1089) |
| James Lankford | R | 96.7% (1097/1135) |
| Bill Hagerty | R | 96.6% (1031/1067) |
| James E. Risch | R | 96.6% (1050/1087) |
| Mike Crapo | R | 96.5% (1060/1098) |
| Pete Ricketts | R | 96.5% (1083/1122) |
| Eric Schmitt | R | 96.3% (1077/1118) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Chris Van Hollen | D | 3.0% (33/1110) |
| Elizabeth Warren | D | 3.1% (35/1128) |
| Edward J. Markey | D | 3.1% (35/1121) |
| Christopher Murphy | D | 3.1% (35/1120) |
| Patty Murray | D | 3.3% (36/1090) |
| Ron Wyden | D | 3.4% (38/1123) |
| Tina Smith | D | 3.5% (38/1096) |
| Jeff Merkley | D | 3.6% (40/1120) |
| Angela D. Alsobrooks | D | 3.7% (23/622) |
| Mazie K. Hirono | D | 3.8% (43/1137) |
| Bernard Sanders | I | 3.9% (41/1046) |
| Richard Blumenthal | D | 4.0% (45/1130) |
| Maria Cantwell | D | 4.0% (45/1136) |
| Brian Schatz | D | 4.3% (49/1131) |
| Tammy Baldwin | D | 4.5% (51/1138) |
| Alex Padilla | D | 4.6% (50/1098) |
| Tammy Duckworth | D | 4.8% (52/1083) |
| Charles E. Schumer | D | 4.9% (56/1134) |
| Cory A. Booker | D | 5.0% (54/1088) |
| Ben Ray Luján | D | 5.1% (58/1128) |
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.