| OK | | R | Tom Coburn | 1 | 100% | 96% | |
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| AL | | R | Jeff Sessions | 2 | 97% | 87% | |
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| UT | 00 | R | Mike Lee | 3 | 96% | 99% | |
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| WI | 00 | R | Ron Johnson | 4 | 95% | 95% | |
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| KY | 00 | R | Rand Paul | 5 | 94% | 98% | |
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| OK | | R | James Inhofe | 6 | 92% | 93% | |
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| FL | 00 | R | Marco Rubio | 7 | 92% | 93% | |
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| TX | 00 | R | Ted Cruz | 8 | 91% | 96% | |
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| IA | 00 | R | Chuck Grassley | 9 | 91% | 80% | |
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| SC | | R | Tim Scott | 10 | 90% | 92% | |
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| AZ | | R | Jeff Flake | 11 | 90% | 97% | |
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| KS | | R | Pat Roberts | 11 | 90% | 76% | |
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| AZ | | R | John McCain | 13 | 87% | 84% | |
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| PA | | R | Pat Toomey | 14 | 86% | 92% | |
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| ID | 00 | R | Jim Risch | 15 | 85% | 89% | |
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| ID | 00 | R | Mike Crapo | 15 | 85% | 82% | |
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| TN | | R | Bob Corker | 17 | 80% | 80% | |
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| OH | | R | Rob Portman | 18 | 77% | 77% | |
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| AL | | R | Richard Shelby | 19 | 76% | 77% | |
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| NE | 00 | R | Deb Fischer | 19 | 76% | 75% | |
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| NC | | R | Richard Burr | 21 | 74% | 82% | |
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| TX | 00 | R | John Cornyn | 22 | 71% | 86% | |
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| WY | 00 | R | John Barrasso | 23 | 71% | 85% | |
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| NV | | R | Dean Heller | 24 | 70% | 80% | |
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| KS | | R | Jerry Moran | 25 | 69% | 73% | |
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| WY | | R | Michael Enzi | 26 | 68% | 85% | |
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| TN | | R | Lamar Alexander | 27 | 67% | 68% | |
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| AR | | R | John Boozman | 28 | 65% | 71% | |
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| GA | | R | Saxby Chambliss | 29 | 64% | 79% | |
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| IN | | R | Daniel Coats | 30 | 63% | 78% | |
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| LA | | R | David Vitter | 31 | 60% | 81% | |
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| NH | | R | Kelly Ayotte | 32 | 59% | 81% | |
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| SD | 00 | R | John Thune | 33 | 59% | 78% | |
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| NE | | R | Mike Johanns | 34 | 58% | 71% | |
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| SC | 00 | R | Lindsey Graham | 35 | 57% | 74% | |
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| KY | 00 | R | Mitch McConnell | 36 | 55% | 82% | |
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| GA | | R | Johnny Isakson | 37 | 52% | 74% | |
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| MO | | R | Roy Blunt | 38 | 47% | 71% | |
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| MS | 00 | R | Roger Wicker | 38 | 47% | 69% | |
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| ND | 00 | R | John Hoeven | 38 | 47% | 53% | |
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| MS | | R | Thad Cochran | 41 | 44% | 64% | |
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| UT | | R | Orrin Hatch | 42 | 43% | 76% | |
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| IL | | R | Mark Kirk | 43 | 35% | 56% | |
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| ME | 00 | R | Susan Collins | 44 | 34% | 37% | |
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| AK | 00 | R | Lisa Murkowski | 45 | 27% | 57% | |
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| DE | 00 | D | Thomas Carper | 46 | 24% | 12% | |
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| WV | 00 | D | Joe Manchin | 47 | 20% | 20% | |
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| PA | 00 | D | Bob Casey | 47 | 20% | 6% | |
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| MA | 00 | D | Elizabeth Warren | 49 | 19% | 11% | |
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| RI | 00 | D | Sheldon Whitehouse | 49 | 19% | 8% | |
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| MO | | D | Claire McCaskill | 51 | 18% | 18% | |
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| NY | 00 | D | Kirsten Gillibrand | 52 | 18% | 8% | |
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| NJ | 00 | D | Cory Booker | 53 | 17% | 17% | |
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| MT | 00 | D | Jon Tester | 53 | 17% | 15% | |
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| MA | 00 | D | Edward Markey | 53 | 17% | 9% | |
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| CT | 00 | D | Richard Blumenthal | 53 | 17% | 8% | |
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| RI | 00 | D | Jack Reed | 53 | 17% | 6% | |
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| VA | 00 | D | Mark Warner | 58 | 16% | 14% | |
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| OR | 00 | D | Ron Wyden | 59 | 15% | 9% | |
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| MN | 00 | D | Amy Klobuchar | 61 | 13% | 7% | |
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| NV | | D | Harry Reid | 61 | 13% | 6% | |
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| MN | | D | Al Franken | 61 | 13% | 4% | |
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| CO | 00 | D | Michael Bennet | 64 | 12% | 11% | |
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| ND | | D | Heidi Heitkamp | 65 | 10% | 6% | |
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| AK | | D | Mark Begich | 66 | 10% | 7% | |
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| NC | | D | Kay Hagan | 67 | 10% | 8% | |
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| AR | | D | Mark Pryor | 68 | 10% | 15% | |
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| LA | | D | Mary Landrieu | 68 | 10% | 14% | |
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| IN | | D | Joe Donnelly | 68 | 10% | 12% | |
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| CT | 00 | D | Christopher Murphy | 68 | 10% | 7% | |
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| OH | 00 | D | Sherrod Brown | 72 | 9% | 4% | |
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| OR | 00 | D | Jeff Merkley | 73 | 9% | 5% | |
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| CA | | D | Barbara Boxer | 74 | 7% | 3% | |
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| VT | 00 | I | Bernie Sanders | 75 | 7% | 7% | |
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| IA | | D | Tom Harkin | 75 | 7% | 3% | |
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| WA | 00 | D | Maria Cantwell | 77 | 7% | 12% | |
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| NJ | 00 | D | Robert Menendez | 77 | 7% | 5% | |
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| HI | 00 | D | Mazie Hirono | 77 | 7% | 4% | |
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| MI | | D | Carl Levin | 77 | 7% | 4% | |
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| WI | 00 | D | Tammy Baldwin | 81 | 6% | 5% | |
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| SD | | D | Tim Johnson | 82 | 2% | 10% | |
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| VT | | D | Patrick Leahy | 82 | 2% | 3% | |
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| FL | | D | Bill Nelson | 84 | 0% | 11% | |
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| DE | 00 | D | Christopher Coons | 84 | 0% | 8% | |
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| CO | | D | Mark Udall | 84 | 0% | 7% | |
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| CA | 00 | D | Dianne Feinstein | 84 | 0% | 6% | |
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| WA | 00 | D | Patty Murray | 84 | 0% | 6% | |
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| NH | 00 | D | Jeanne Shaheen | 84 | 0% | 6% | |
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| MI | 00 | D | Debbie Stabenow | 84 | 0% | 6% | |
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| NM | | D | Tom Udall | 84 | 0% | 4% | |
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| MD | 00 | D | Benjamin Cardin | 84 | 0% | 4% | |
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| NY | 00 | D | Chuck Schumer | 84 | 0% | 3% | |
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| WV | | D | John Rockefeller | 84 | 0% | 3% | |
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| MD | | D | Barbara Mikulski | 84 | 0% | 3% | |
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| NM | 00 | D | Martin Heinrich | 84 | 0% | 3% | |
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| VA | 00 | D | Tim Kaine | 84 | 0% | 3% | |
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| IL | 00 | D | Richard Durbin | 84 | 0% | 3% | |
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| ME | 00 | I | Angus King | 84 | 0% | 2% | |
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| HI | 00 | D | Brian Schatz | 84 | 0% | 0% | |
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| MT | | D | Max Baucus | n.a. | n.a. | 12% | |
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