Who Peter Welch votes with
Across 2038 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 |
|---|---|---|
| Chris Van Hollen | D | 98.0% (1245/1270) |
| Christopher Murphy | D | 97.8% (1253/1281) |
| Patty Murray | D | 97.8% (1224/1252) |
| Jeff Merkley | D | 97.6% (1248/1279) |
| Tina Smith | D | 97.6% (1222/1252) |
| Ron Wyden | D | 97.5% (1248/1280) |
| Elizabeth Warren | D | 97.4% (1253/1287) |
| Tammy Duckworth | D | 97.4% (1220/1252) |
| Brian Schatz | D | 97.3% (1254/1289) |
| Edward J. Markey | D | 97.3% (1244/1279) |
| Lisa Blunt Rochester | D | 97.3% (1458/1498) |
| Maria Cantwell | D | 97.2% (1261/1297) |
| Mazie K. Hirono | D | 97.1% (1259/1297) |
| Richard Blumenthal | D | 97.1% (1255/1292) |
| Alex Padilla | D | 96.9% (1219/1258) |
| Tammy Baldwin | D | 96.9% (1259/1299) |
| Amy Klobuchar | D | 96.6% (1242/1286) |
| Cory A. Booker | D | 96.5% (1196/1240) |
| Jon Ossoff | D | 96.5% (1203/1247) |
| Adam B. Schiff | D | 96.4% (1439/1493) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Alan Armstrong | R | 1.4% (2/138) |
| Marsha Blackburn | R | 2.4% (30/1235) |
| Ted Cruz | R | 2.6% (32/1215) |
| Ron Johnson | R | 2.6% (34/1284) |
| Tommy Tuberville | R | 2.7% (33/1212) |
| Katie Boyd Britt | R | 2.8% (35/1254) |
| Tim Scott | R | 2.9% (35/1192) |
| John Barrasso | R | 2.9% (36/1224) |
| Bill Hagerty | R | 3.1% (37/1213) |
| Rick Scott | R | 3.2% (40/1267) |
| David McCormick | R | 3.2% (24/743) |
| James C. Justice | R | 3.3% (24/735) |
| Bernie Moreno | R | 3.3% (25/764) |
| Tim Sheehy | R | 3.4% (25/745) |
| Eric Schmitt | R | 3.4% (43/1277) |
| Tom Cotton | R | 3.5% (45/1268) |
| Ashley Moody | R | 3.7% (28/754) |
| Deb Fischer | R | 3.8% (49/1296) |
| Cynthia M. Lummis | R | 3.8% (48/1263) |
| Mike Crapo | R | 3.9% (49/1258) |
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.