| UT | | R | Mike Lee | 1 | 100% | 100% | |
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| TX | | R | Ted Cruz | 1 | 100% | 100% | |
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| KY | | R | Rand Paul | 3 | 96% | 99% | |
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| ID | | R | Jim Risch | 4 | 94% | 90% | |
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| WY | | R | Michael Enzi | 4 | 94% | 87% | |
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| SC | | R | Tim Scott | 6 | 93% | 92% | |
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| OK | | R | James Inhofe | 7 | 93% | 93% | |
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| OK | | R | Tom Coburn | 8 | 93% | 96% | |
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| PA | | R | Pat Toomey | 8 | 93% | 94% | |
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| TX | | R | John Cornyn | 8 | 93% | 88% | |
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| ID | | R | Mike Crapo | 11 | 92% | 82% | |
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| FL | | R | Marco Rubio | 12 | 91% | 93% | |
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| NV | | R | Dean Heller | 13 | 89% | 82% | |
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| AL | | R | Jeff Sessions | 14 | 88% | 86% | |
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| WI | | R | Ron Johnson | 15 | 87% | 95% | |
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| KY | | R | Mitch McConnell | 15 | 87% | 85% | |
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| IA | | R | Chuck Grassley | 17 | 86% | 78% | |
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| WY | | R | John Barrasso | 18 | 85% | 87% | |
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| KS | | R | Pat Roberts | 19 | 84% | 74% | |
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| AZ | | R | Jeff Flake | 20 | 83% | 98% | |
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| AL | | R | Richard Shelby | 21 | 82% | 77% | |
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| SD | | R | John Thune | 22 | 80% | 80% | |
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| NH | | R | Kelly Ayotte | 23 | 79% | 88% | |
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| LA | | R | David Vitter | 24 | 77% | 83% | |
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| UT | | R | Orrin Hatch | 25 | 76% | 79% | |
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| IN | | R | Daniel Coats | 26 | 75% | 83% | |
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| TN | | R | Bob Corker | 26 | 75% | 81% | |
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| KS | | R | Jerry Moran | 26 | 75% | 74% | |
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| NE | | R | Deb Fischer | 29 | 74% | 74% | |
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| IL | | R | Mark Kirk | 30 | 73% | 55% | |
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| OH | | R | Rob Portman | 31 | 71% | 77% | |
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| NE | | R | Mike Johanns | 31 | 71% | 74% | |
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| AZ | | R | John McCain | 33 | 70% | 83% | |
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| AR | | R | John Boozman | 34 | 70% | 72% | |
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| MS | | R | Roger Wicker | 35 | 68% | 71% | |
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| NC | | R | Richard Burr | 36 | 67% | 83% | |
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| MO | | R | Roy Blunt | 36 | 67% | 74% | |
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| TN | | R | Lamar Alexander | 36 | 67% | 68% | |
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| SC | | R | Lindsey Graham | 39 | 64% | 75% | |
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| GA | | R | Saxby Chambliss | 40 | 60% | 80% | |
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| GA | | R | Johnny Isakson | 41 | 59% | 76% | |
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| ND | | R | John Hoeven | 42 | 57% | 55% | |
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| MS | | R | Thad Cochran | 43 | 56% | 67% | |
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| AK | | R | Lisa Murkowski | 44 | 51% | 60% | |
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| ME | | R | Susan Collins | 45 | 39% | 37% | |
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| WV | | D | Joe Manchin | 46 | 19% | 20% | |
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| AR | | D | Mark Pryor | 47 | 12% | 16% | |
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| VA | | D | Mark Warner | 48 | 10% | 14% | |
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| RI | | D | Sheldon Whitehouse | 49 | 9% | 6% | |
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| RI | | D | Jack Reed | 49 | 9% | 5% | |
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| LA | | D | Mary Landrieu | 51 | 8% | 15% | |
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| MO | | D | Claire McCaskill | 52 | 7% | 17% | |
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| MT | | D | Max Baucus | 53 | 7% | 12% | |
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| DE | | D | Thomas Carper | 53 | 7% | 10% | |
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| IN | | D | Joe Donnelly | 55 | 6% | 13% | |
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| VA | | D | Tim Kaine | 55 | 6% | 6% | |
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| PA | | D | Bob Casey | 57 | 5% | 4% | |
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| ME | | I | Angus King | 58 | 4% | 4% | |
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| DE | | D | Christopher Coons | 59 | 4% | 10% | |
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| MA | | D | William Cowan | 60 | 3% | 3% | |
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| AK | | D | Mark Begich | 61 | 3% | 6% | |
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| MT | | D | Jon Tester | 62 | 3% | 15% | |
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| FL | | D | Bill Nelson | 62 | 3% | 12% | |
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| CO | | D | Michael Bennet | 62 | 3% | 11% | |
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| NC | | D | Kay Hagan | 62 | 3% | 8% | |
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| NH | | D | Jeanne Shaheen | 62 | 3% | 7% | |
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| IA | | D | Tom Harkin | 62 | 3% | 3% | |
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| WV | | D | John Rockefeller | 68 | 2% | 3% | |
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| NJ | | D | Robert Menendez | 69 | 2% | 5% | |
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| MA | | D | Elizabeth Warren | 70 | 2% | 2% | |
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| CT | | D | Richard Blumenthal | 71 | 2% | 5% | |
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| OH | | D | Sherrod Brown | 71 | 2% | 4% | |
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| SD | | D | Tim Johnson | 73 | 2% | 11% | |
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| CT | | D | Christopher Murphy | 73 | 2% | 7% | |
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| CA | | D | Dianne Feinstein | 73 | 2% | 7% | |
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| WI | | D | Tammy Baldwin | 73 | 2% | 5% | |
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| IL | | D | Richard Durbin | 73 | 2% | 3% | |
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| ND | | D | Heidi Heitkamp | 73 | 2% | 2% | |
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| MN | | D | Amy Klobuchar | 79 | 1% | 6% | |
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| OR | | D | Jeff Merkley | 79 | 1% | 4% | |
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| WA | | D | Maria Cantwell | 81 | 0% | 12% | |
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| OR | | D | Ron Wyden | 81 | 0% | 9% | |
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| CO | | D | Mark Udall | 81 | 0% | 8% | |
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| NY | | D | Kirsten Gillibrand | 81 | 0% | 7% | |
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| VT | | I | Bernie Sanders | 81 | 0% | 7% | |
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| WA | | D | Patty Murray | 81 | 0% | 6% | |
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| MI | | D | Debbie Stabenow | 81 | 0% | 6% | |
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| NM | | D | Tom Udall | 81 | 0% | 5% | |
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| NV | | D | Harry Reid | 81 | 0% | 5% | |
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| MD | | D | Benjamin Cardin | 81 | 0% | 4% | |
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| NY | | D | Chuck Schumer | 81 | 0% | 4% | |
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| NM | | D | Martin Heinrich | 81 | 0% | 4% | |
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| HI | | D | Mazie Hirono | 81 | 0% | 4% | |
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| MD | | D | Barbara Mikulski | 81 | 0% | 4% | |
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| VT | | D | Patrick Leahy | 81 | 0% | 3% | |
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| CA | | D | Barbara Boxer | 81 | 0% | 3% | |
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| MI | | D | Carl Levin | 81 | 0% | 3% | |
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| MN | | D | Al Franken | 81 | 0% | 2% | |
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| HI | | D | Brian Schatz | 81 | 0% | 0% | |
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| NJ | | D | Cory Booker | n.a. | n.a. | n.a. | |
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| MA | | D | Edward Markey | n.a. | n.a. | 8% | |
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| NJ | | D | Frank Lautenberg | n.a. | n.a. | 7% | |
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| MA | | D | John Kerry | n.a. | n.a. | 4% | |
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| NJ | | R | Jeffrey Chiesa | n.a. | 43% | 0% | |
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