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The Boston Globe

Politics

‘Party unity vote’ percentage among senators

The following table measures the percent of time, since January 2011, that each senator has voted with his or her party when a majority of the party voted one way and the majority of the opposing party voted the other way. This percentage, known as a “party unity vote,” is intended to measure how often a senator is willing to cross the aisle when the parties are at odds.

Collins 45%
Scott Brown 47%
Snowe 53%
Murkowski 66%
Cochran 72%
Hoeven 72%
Manchin 73%
Ben Nelson 75%
McCaskill 77%
Blunt 79%
Kirk 81%
Lugar 81%
Heller 83%
Johanns 83%
Pryor 84%
Webb 84%
Lieberman 84%
Alexander 85%
Hutchison 85%
Wicker 85%
Moran 86%
Roberts 86%
Graham 87%
Grassley 87%
Hagan 88%
Landrieu 88%
Tester 88%
Warner 88%
Boozman 88%
Portman 88%
Begich 90%
Benet 90%
Carper 90%
Bill Nelson 90%
Mark Udall 90%
Shelby 90%
Thune 90%
Baucus 91%
Casey 91%
Stabenow 91%
Coats 91%
Isakson 91%
Vitter 91%
Conrad 92%
Klobuchar 92%
Kohl 92%
Corker 92%
Paul 92%
Rubio 92%
Cantwell 93%
Reid 93%
Ayotte 93%
Chambliss 93%
Lee 93%
Sessions 93%
Coons 94%
Shaheen 94%
Barrasso 94%
Burr 94%
DeMint 94%
Enzi 94%
Inhofe 94%
Inouye 95%
Kerry 95%
Levin 95%
Menendez 95%
Sanders 95%
Coburn 95%
Crapo 95%
Kyl 95%
McCain 95%
McConnell 95%
Risch 95%
Toomey 95%
Akaka 96%
Blumenthal 96%
Feinstein 96%
Johnson 96%
Merkley 96%
Murray 96%
Reed 96%
Wyden 96%
Hatch 96%
Bingaman 97%
Sherrod Brown 97%
Durbin 97%
Gillibrand 97%
Harkin 97%
Lautenberg 97%
Leahy 97%
Mikulski 97%
Schumer 97%
Whitehouse 97%
Cornyn 97%
Boxer 98%
Franken 98%
Rockefeller 98%
Ron Johnson 98%
Cardin 99%
Tom Udall 100%

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