| Alabama | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| SHELBY | + | + | + | + | + | + | - | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | - | + | 88 | 84 | 31 | 75.43 | |
| SESSIONS | + | + | + | + | - | + | + | + | + | + | + | (+) | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 84 | 13 | 95.08 | |
| Alaska | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| MURKOWSKI | + | - | - | - | - | + | - | + | + | + | + | - | + | - | + | - | + | + | + | + | + | + | + | + | + | 68 | 58 | 7 | 70.19 | |
| Begich | - | - | - | - | (-) | - | - | - | - | + | - | - | + | - | - | - | - | - | + | - | - | - | - | - | - | 12 | NA | 1 | 12.00 | |
| Arizona | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| McCAIN | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 63 | 27 | 81.97 | |
| KYL | - | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 92 | 96 | 23 | 96.75 | |
| Arkansas | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Lincoln | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | + | - | + | - | + | - | 24 | 8 | 17 | 19.01 | |
| Pryor | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | 8 | 4 | 7 | 16.86 | |
| California | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Feinstein | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 17 | 8.53 | |
| Boxer | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 27 | 2.96 | |
| Colorado | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Udall Mark | - | - | - | - | - | - | - | - | - | + | - | - | + | - | - | - | - | - | + | - | - | + | - | - | - | 16 | 13 | 11 | 9.15 | |
| Bennet* | I | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | NA | 1 | 8.00 | |
| Connecticut | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Dodd | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 35 | 7.66 | |
| Lieberman | - | - | - | - | - | - | + | - | - | - | - | - | - | + | - | - | - | - | - | + | - | + | - | + | - | 20 | 8 | 21 | 16.15 | |
| Delaware | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Carper | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | 4 | 0 | 19 | 12.22 | |
| Kaufman** | I | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | NA | 1 | 4.00 | |
| Florida | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Nelson Bill | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 4 | 8 | 19 | 35.53 | |
| LeMIEUX*** | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | + | + | + | + | + | - | + | 86 | NA | 1 | 86.00 | |
| Georgia | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| CHAMBLISS | + | X | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | 92 | 76 | 15 | 92.83 | |
| ISAKSON | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 76 | 11 | 89.09 | |
| Hawaii | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Inouye | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 39 | 6.67 | |
| Akaka | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 33 | 6.76 | |
| Idaho | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| CRAPO | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | - | + | 92 | 88 | 17 | 92.27 | |
| RISCH | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | 96 | NA | 1 | 96.00 | |
| Illinois | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Durbin | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 27 | 6.12 | |
| Burris | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | NA | 1 | 0.00 | |
| Indiana | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| LUGAR | - | + | + | - | - | + | - | + | + | - | - | + | + | + | + | - | - | + | + | + | + | + | + | + | + | 68 | 63 | 33 | 77.26 | |
| Bayh | + | - | - | - | - | - | + | + | - | + | - | + | + | - | + | + | - | - | + | - | - | + | - | - | - | 40 | 29 | 11 | 22.45 | |
| Iowa | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| GRASSLEY | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 76 | 35 | 83.50 | |
| Harkin | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 35 | 8.22 | |
| Kansas | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| BROWNBACK | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | - | + | + | + | + | + | + | + | 92 | 76 | 15 | 92.76 | |
| ROBERTS | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 72 | 29 | 86.86 | |
| Kentucky | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| McCONNELL | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 80 | 25 | 89.66 | |
| BUNNING | (+) | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | (+) | (+) | (+) | (+) | 96 | 88 | 23 | 94.54 | |
| Louisiana | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Landrieu | - | - | - | - | - | - | - | - | - | + | - | - | - | - | + | - | - | - | + | - | - | + | - | - | - | 16 | 32 | 13 | 22.65 | |
| VITTER | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 84 | 11 | 93.82 | |
| Maine | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| SNOWE | - | - | - | - | - | - | + | + | - | + | - | - | + | - | + | - | - | - | + | + | + | + | + | + | + | 48 | 12 | 31 | 47.88 | |
| COLLINS | + | - | - | - | - | - | - | + | - | + | - | - | + | + | + | - | - | - | + | + | + | + | + | - | + | 48 | 20 | 13 | 49.43 | |
| Maryland | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Mikulski | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | X | - | - | - | - | - | - | - | 0 | 0 | 33 | 5.75 | |
| Cardin | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 8 | 23 | 5.49 | |
| Massachusetts | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Kerry | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 25 | 5.28 | |
| Kirk**** | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | - | - | - | - | - | - | 0 | NA | 1 | 0.00 | |
| Michigan | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Levin | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 31 | 6.58 | |
| Stabenow | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 9 | 9.33 | |
| Minnesota | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Klobuchar | - | - | - | - | - | - | - | - | - | - | - | - | + | - | + | - | - | - | + | - | - | - | - | - | - | 12 | 16 | 3 | 10.67 | |
| Franken***** | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | I | - | - | - | - | - | - | - | - | - | 0 | NA | 1 | 0.00 | |
| Mississippi | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| COCHRAN | + | + | + | + | + | + | - | + | + | + | + | - | + | + | + | - | + | + | + | + | + | + | + | - | + | 84 | 68 | 37 | 80.13 | |
| WICKER | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | - | + | + | + | + | + | + | + | - | + | 88 | 80 | 15 | 90.80 | |
| Missouri | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| BOND | + | + | + | + | - | + | - | + | + | + | + | - | + | + | + | - | - | - | + | + | + | + | + | + | + | 76 | 75 | 23 | 81.90 | |
| McCaskill | - | - | - | - | - | - | + | - | - | + | - | + | - | - | + | - | - | + | + | - | - | + | - | - | - | 28 | 20 | 3 | 18.67 | |
| Montana | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Baucus | - | - | - | - | - | - | - | + | - | + | + | - | - | - | - | - | - | - | + | - | - | + | - | - | - | 20 | 8 | 35 | 14.21 | |
| Tester | (+) | - | - | - | - | - | - | + | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 16 | 16 | 3 | 16.00 | |
| Nebraska | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Nelson Ben | + | + | + | - | - | - | - | + | - | + | - | - | + | - | + | - | - | + | + | - | - | + | + | - | - | 44 | 16 | 9 | 46.90 | |
| JOHANNS | + | + | + | + | + | + | + | + | + | + | + | X | X | X | + | + | + | + | + | + | + | + | + | - | + | 95 | NA | 1 | 95.00 | |
| Nevada | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Reid | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | 16 | 27 | 18.56 | |
| ENSIGN | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 92 | 15 | 94.37 | |
| New Hampshire | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| GREGG | - | + | + | + | - | X | X | X | X | + | + | + | + | + | + | - | - | + | + | + | + | + | + | + | + | 81 | 83 | 25 | 78.68 | |
| Shaheen | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | NA | 1 | 8.00 | |
| New Jersey | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Lautenberg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 25 | 4.76 | |
| Menendez | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 17 | 8.12 | |
| New Mexico | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Bingaman | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 4 | 0 | 27 | 11.43 | |
| Udall Tom | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | 12 | 11 | 4.86 | |
| New York | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Schumer | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 29 | 5.72 | |
| Gillibrand | I | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 23 | 3 | 10.33 | |
| North Carolina | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| BURR | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 79 | 15 | 91.00 | |
| Hagan | - | - | - | - | - | - | - | + | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | + | - | 16 | NA | 1 | 16.00 | |
| North Dakota | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Conrad | - | - | - | - | - | - | - | - | - | + | - | X | - | - | - | - | - | - | + | - | - | + | - | - | - | 13 | 0 | 23 | 19.28 | |
| Dorgan | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 12 | 8 | 23 | 16.37 | |
| Ohio | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| VOINOVICH | - | + | + | + | - | - | + | + | + | + | - | + | + | + | + | - | - | - | + | + | X | + | + | + | + | 71 | 52 | 11 | 69.83 | |
| Brown | (-) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 8 | 17 | 8.22 | |
| Oklahoma | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| INHOFE | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 96 | 23 | 97.66 | |
| COBURN | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 96 | 11 | 98.00 | |
| Oregon | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Wyden | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 8 | 29 | 9.13 | |
| Merkley | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 4 | NA | 1 | 4.00 | |
| Pennsylvania | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Specter****** | + | - | - | - | - | - | - | + | - | + | - | - | + | - | + | - | - | - | - | - | - | - | - | - | - | 20 | 42 | 29 | 43.63 | |
| Casey | - | - | + | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 12 | 8 | 3 | 9.33 | |
| Rhode Island | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Reed | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 4 | 19 | 6.30 | |
| Whitehouse | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 8 | 3 | 2.67 | |
| South Carolina | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| GRAHAM | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | - | + | + | + | + | + | + | - | + | 88 | 82 | 15 | 89.68 | |
| DeMINT | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 100 | 11 | 98.55 | |
| South Dakota | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Johnson, Tim | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | 12 | 23 | 17.91 | |
| THUNE | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 84 | 11 | 87.97 | |
| Tennessee | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| ALEXANDER | - | + | + | - | - | + | - | + | + | + | + | - | + | + | + | - | - | - | + | + | + | + | + | + | + | 68 | 72 | 7 | 79.00 | |
| CORKER | + | + | + | - | - | + | + | + | + | + | + | + | + | + | + | - | + | - | + | + | + | + | + | + | + | 84 | 83 | 3 | 83.33 | |
| Texas | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| HUTCHISON | + | + | + | - | + | + | + | X | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 76 | 17 | 89.77 | |
| CORNYN | + | + | + | + | + | + | + | + | (+) | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 79 | 7 | 93.14 | |
| Utah | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| HATCH | (+) | + | + | + | - | + | + | + | + | + | - | + | + | + | + | (+) | + | + | + | + | + | + | + | - | + | 88 | 80 | 33 | 89.15 | |
| BENNETT | + | + | + | + | - | + | - | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | - | + | 84 | 64 | 17 | 83.63 | |
| Vermont | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Leahy | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | + | - | - | - | - | - | - | 8 | 4 | 35 | 5.88 | |
| Sanders | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | + | - | - | - | - | - | - | 12 | 8 | 19 | 6.73 | |
| Virginia | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Webb | - | - | - | - | - | - | - | - | - | + | - | - | + | - | - | - | - | - | + | - | - | + | + | - | - | 20 | 8 | 3 | 14.67 | |
| Warner Mark | - | - | - | - | - | - | - | - | - | + | - | - | - | + | - | - | - | + | + | - | - | + | - | + | - | 24 | NA | 1 | 24.00 | |
| Washington | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Murray | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | X | - | - | - | - | - | - | - | - | - | 0 | 0 | 17 | 2.74 | |
| Cantwell | + | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 12 | 9 | 10.11 | |
| West Virginia | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Byrd | - | - | - | - | - | - | - | + | - | + | + | - | - | + | - | X | - | X | X | - | - | X | X | X | - | 21 | 0 | 39 | 28.07 | |
| Rockefeller | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | X | - | - | - | - | - | - | - | - | - | 0 | 0 | 25 | 8.75 | |
| Wisconsin | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| Kohl | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | + | - | 8 | 4 | 21 | 13.36 | |
| Feingold | + | - | - | - | - | - | + | - | - | + | - | - | + | - | - | + | - | - | + | - | - | - | - | - | - | 24 | 24 | 17 | 12.74 | |
| Wyoming | Member Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 2009 | 2008 | YOS | Life |
| ENZI | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 96 | 13 | 92.82 | |
| BARRASSO | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 96 | 3 | 98.67 | |
| Legend | ||||||||||||||
| + indicates a vote cast in favor of the ACU position | ||||||||||||||
| - indicates a vote cast in opposition to the ACU position | ||||||||||||||
| (+) indicates an announcement in favor of the ACU position | ||||||||||||||
| (-) indicates an announcement in opposition to the ACU position | ||||||||||||||
| X indicates that the member did not vote | ||||||||||||||
| I indicates that the members was not eligible to vote | ||||||||||||||
| * Appointed to replace Ken Salazar, who resigned to become Secretary of Interior | ||||||||||||||
| **Appointed to replace Joe Biden, who became vice-president | ||||||||||||||
| ***Appointed to replace Mel Martinez, who resigned | ||||||||||||||
| ****Appointed to replace Ted Kennedy, who died in office | ||||||||||||||
| *****Seating delayed due to election recounts | ||||||||||||||
| ******Appointed to replace Hillary Clinton, who resigned to become Secretary of State | ||||||||||||||
| *******Changed party registration to Democrat since last year | ||||||||||||||