Who Alan Armstrong votes with
Across 138 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 |
|---|---|---|
| Chuck Grassley | R | 100.0% (119/119) |
| Deb Fischer | R | 100.0% (137/137) |
| James C. Justice | R | 100.0% (134/134) |
| James E. Risch | R | 100.0% (131/131) |
| James Lankford | R | 100.0% (138/138) |
| John Boozman | R | 100.0% (137/137) |
| John Cornyn | R | 100.0% (133/133) |
| Joni Ernst | R | 100.0% (133/133) |
| Mike Crapo | R | 100.0% (137/137) |
| Mike Rounds | R | 100.0% (134/134) |
| Pete Ricketts | R | 100.0% (133/133) |
| Roger F. Wicker | R | 100.0% (136/136) |
| Roger Marshall | R | 100.0% (138/138) |
| Shelley Moore Capito | R | 100.0% (136/136) |
| Steve Daines | R | 100.0% (137/137) |
| Tim Scott | R | 100.0% (135/135) |
| Todd Young | R | 100.0% (137/137) |
| Tom Cotton | R | 100.0% (138/138) |
| Bernie Moreno | R | 99.3% (135/136) |
| Cynthia M. Lummis | R | 99.3% (133/134) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Tina Smith | D | 0.7% (1/134) |
| Tammy Duckworth | D | 0.7% (1/137) |
| Tammy Baldwin | D | 0.7% (1/138) |
| Ron Wyden | D | 0.7% (1/138) |
| Mark Kelly | D | 0.7% (1/135) |
| Maria Cantwell | D | 0.7% (1/138) |
| Lisa Blunt Rochester | D | 0.7% (1/136) |
| Jon Ossoff | D | 0.7% (1/137) |
| Jeff Merkley | D | 0.7% (1/137) |
| Elizabeth Warren | D | 0.7% (1/138) |
| Edward J. Markey | D | 0.7% (1/137) |
| Christopher Murphy | D | 0.7% (1/136) |
| Chris Van Hollen | D | 0.7% (1/138) |
| Brian Schatz | D | 0.7% (1/135) |
| Bernard Sanders | I | 0.7% (1/134) |
| Ben Ray Luján | D | 0.7% (1/137) |
| Angela D. Alsobrooks | D | 0.7% (1/134) |
| Andy Kim | D | 0.7% (1/137) |
| Alex Padilla | D | 0.7% (1/134) |
| Raphael G. Warnock | D | 0.8% (1/133) |
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.