Who Marco Rubio votes with
Across 1186 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 |
|---|---|---|
| Rick Scott | R | 95.9% (1108/1155) |
| Ted Cruz | R | 95.6% (1060/1109) |
| James Lankford | R | 95.1% (1122/1180) |
| Marsha Blackburn | R | 95.1% (1091/1147) |
| Tom Cotton | R | 95.1% (1096/1153) |
| Tommy Tuberville | R | 95.0% (1094/1152) |
| Katie Boyd Britt | R | 94.7% (428/452) |
| Bill Hagerty | R | 94.4% (1069/1133) |
| Ron Johnson | R | 94.1% (1089/1157) |
| John Boozman | R | 93.9% (1114/1186) |
| Tim Scott | R | 93.8% (1023/1091) |
| Cindy Hyde-Smith | R | 93.6% (1083/1157) |
| Josh Hawley | R | 93.6% (1075/1149) |
| Deb Fischer | R | 93.5% (1094/1170) |
| Eric Schmitt | R | 93.5% (433/463) |
| John Barrasso | R | 93.4% (994/1064) |
| Roger Marshall | R | 93.2% (1076/1154) |
| Ted Budd | R | 93.2% (440/472) |
| Mike Lee | R | 92.8% (1077/1160) |
| Pete Ricketts | R | 92.4% (428/463) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Richard J. Durbin | D | 4.2% (49/1153) |
| Mazie K. Hirono | D | 4.2% (50/1182) |
| Maria Cantwell | D | 4.2% (49/1178) |
| Chris Van Hollen | D | 4.2% (48/1153) |
| Ron Wyden | D | 4.3% (50/1169) |
| Peter Welch | D | 4.4% (21/473) |
| Patty Murray | D | 4.4% (51/1167) |
| Tina Smith | D | 4.5% (53/1171) |
| Cory A. Booker | D | 4.5% (52/1145) |
| Christopher Murphy | D | 4.5% (53/1170) |
| Tammy Baldwin | D | 4.6% (54/1174) |
| Martin Heinrich | D | 4.7% (55/1163) |
| Elizabeth Warren | D | 4.7% (55/1180) |
| Alex Padilla | D | 4.7% (54/1161) |
| Tammy Duckworth | D | 4.8% (56/1161) |
| Sheldon Whitehouse | D | 4.8% (56/1170) |
| Jack Reed | D | 4.8% (57/1183) |
| Edward J. Markey | D | 4.8% (56/1162) |
| Christopher A. Coons | D | 4.8% (56/1161) |
| Jeff Merkley | D | 4.9% (56/1147) |
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.