Who John Thune votes with
Across 2086 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 |
|---|---|---|
| Alan Armstrong | R | 98.6% (136/138) |
| Tim Sheehy | R | 97.6% (763/782) |
| Bernie Moreno | R | 97.5% (782/802) |
| James C. Justice | R | 97.5% (753/772) |
| Jim Banks | R | 97.5% (775/795) |
| David McCormick | R | 97.4% (759/779) |
| John R. Curtis | R | 97.3% (766/787) |
| Ashley Moody | R | 97.1% (769/792) |
| Jon Husted | R | 97.0% (777/801) |
| Katie Boyd Britt | R | 96.2% (1246/1295) |
| John Barrasso | R | 95.8% (1865/1947) |
| Pete Ricketts | R | 95.8% (1265/1320) |
| John Boozman | R | 95.6% (1975/2066) |
| Tom Cotton | R | 95.5% (1944/2036) |
| Ted Budd | R | 95.4% (1251/1311) |
| Ted Cruz | R | 95.3% (1860/1951) |
| Tommy Tuberville | R | 95.3% (1884/1977) |
| Eric Schmitt | R | 95.2% (1256/1320) |
| James Lankford | R | 95.2% (1977/2076) |
| Marsha Blackburn | R | 95.2% (1894/1989) |
Least often with
| Member | Party | Agreement |
|---|---|---|
| Lisa Blunt Rochester | D | 3.0% (24/800) |
| Chris Van Hollen | D | 4.3% (87/2016) |
| Jeff Merkley | D | 4.4% (90/2034) |
| Edward J. Markey | D | 4.5% (93/2053) |
| Patty Murray | D | 4.6% (93/2016) |
| Elizabeth Warren | D | 4.6% (94/2065) |
| Ron Wyden | D | 4.7% (96/2054) |
| Christopher Murphy | D | 4.7% (97/2046) |
| Tina Smith | D | 4.8% (97/2030) |
| Mazie K. Hirono | D | 4.8% (100/2077) |
| Angela D. Alsobrooks | D | 4.8% (38/792) |
| Maria Cantwell | D | 5.0% (103/2075) |
| Brian Schatz | D | 5.1% (105/2057) |
| Bernard Sanders | I | 5.1% (97/1911) |
| Tammy Duckworth | D | 5.2% (104/2006) |
| Tammy Baldwin | D | 5.3% (109/2073) |
| Richard Blumenthal | D | 5.3% (109/2063) |
| Alex Padilla | D | 5.3% (107/2031) |
| Ben Ray Luján | D | 5.5% (111/2012) |
| Peter Welch | D | 5.6% (73/1301) |
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.