| Alabama | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| SHELBY | + | - | + | + | + | - | - | - | - | + | + | + | + | + | + | + | + | - | X | X | + | + | + | + | + | 74 | 88 | 28 | 74.2 | ||
| SESSIONS | + | - | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 92 | 100 | 10 | 97.3 | ||
| Alaska | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| STEVENS | + | - | + | + | + | - | - | - | + | + | + | - | + | - | + | + | - | + | + | + | + | - | - | + | + | 64 | 80 | 36 | 64.5 | ||
| MURKOWSKI | + | - | + | + | + | X | - | - | + | + | + | + | + | - | + | + | - | + | + | + | + | - | - | + | + | 71 | 83 | 4 | 74.6 | ||
| Arizona | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| McCAIN | + | X | + | - | + | + | + | + | X | + | + | - | + | - | - | + | - | - | + | + | + | - | - | + | + | 65 | 80 | 24 | 82.3 | ||
| KYL | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | + | + | - | + | + | + | 92 | 100 | 20 | 96.9 | ||
| Arkansas | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Lincoln | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | 8 | 16 | 14 | 20.1 | ||
| Pryor | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | + | - | - | + | + | 20 | 24 | 4 | 23.5 | ||
| California | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Feinstein | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | X | - | 0 | 12 | 14 | 10.1 | ||
| Boxer | - | - | - | - | - | - | + | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 12 | 24 | 3.0 | ||
| Colorado | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| ALLARD | + | + | + | + | + | + | - | - | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | + | 88 | 96 | 16 | 95.1 | ||
| Salazar | - | X | - | - | - | - | + | + | - | - | - | - | - | (-) | - | - | - | - | - | - | - | - | - | + | + | 17 | 32 | 2 | 22.5 | ||
| Connecticut | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Dodd | - | - | - | - | - | - | - | + | - | - | - | - | - | - | X | - | - | - | + | - | - | - | - | - | - | 8 | 8 | 32 | 8.3 | ||
| Lieberman | - | - | - | - | - | - | + | + | - | - | - | - | - | - | - | - | - | + | - | - | + | - | - | - | X | 17 | 8 | 18 | 16.8 | ||
| Delaware | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Biden | - | - | - | - | - | - | + | X | (-) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 8 | 34 | 13.4 | ||
| Carper | - | - | - | - | - | - | + | + | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | + | + | 20 | 8 | 6 | 16.3 | ||
| Florida | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Nelson Bill | - | - | + | - | - | - | + | + | - | + | - | + | - | - | - | + | - | + | - | - | + | - | - | + | + | 40 | 20 | 16 | 41.2 | ||
| MARTINEZ | + | + | + | + | + | + | + | - | + | + | + | - | + | - | + | + | + | + | + | + | + | - | + | + | + | 84 | 100 | 2 | 90.0 | ||
| Georgia | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| CHAMBLISS | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 96 | 12 | 94.4 | ||
| ISAKSON | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 100 | 8 | 89.0 | ||
| Hawaii | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Inouye | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | + | 8 | 5 | 36 | 7.2 | ||
| Akaka | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 8 | 30 | 7.4 | ||
| Idaho | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| CRAIG | + | + | + | + | + | + | - | - | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | 88 | 96 | 26 | 93.4 | ||
| CRAPO | + | + | + | + | + | + | - | - | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 88 | 100 | 14 | 92.9 | ||
| Illinois | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Durbin | - | - | - | - | - | - | - | + | (-) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 0 | 24 | 6.7 | ||
| Obama | - | - | - | - | - | - | + | + | (-) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 8 | 8 | 2 | 8.0 | ||
| Indiana | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| LUGAR | + | - | + | + | + | - | - | + | + | + | + | - | + | - | + | + | + | - | + | - | + | - | - | + | + | 64 | 88 | 30 | 78.6 | ||
| Bayh | - | - | - | - | - | - | + | + | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | + | - | 16 | 20 | 8 | 20.8 | ||
| Iowa | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| GRASSLEY | + | + | + | + | + | + | - | - | + | + | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | 88 | 96 | 32 | 83.3 | ||
| Harkin | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | 4 | 32 | 8.6 | ||
| Kansas | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| BROWNBACK | + | X | + | + | + | + | - | + | X | + | + | - | + | - | + | + | + | + | + | + | + | + | + | + | + | 87 | 100 | 12 | 94.0 | ||
| ROBERTS | + | - | + | + | + | - | - | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 84 | 88 | 26 | 86.9 | ||
| Kentucky | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| McCONNELL | + | + | + | + | + | + | - | - | + | + | + | + | + | - | + | + | + | + | + | + | + | - | + | + | + | 84 | 100 | 22 | 89.7 | ||
| BUNNING | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | (+) | 96 | 92 | 20 | 94.9 | ||
| Louisiana | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Landrieu | - | - | - | - | + | - | - | - | - | - | + | - | - | - | - | - | - | - | + | - | + | - | - | + | + | 24 | 44 | 10 | 20.6 | ||
| VITTER | + | - | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 92 | 96 | 8 | 94.0 | ||
| Maine | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| SNOWE | + | - | - | - | - | - | - | - | + | - | + | + | + | - | - | + | - | + | + | - | + | - | - | - | - | 36 | 32 | 28 | 49.9 | ||
| COLLINS | + | - | + | - | - | - | - | - | + | + | + | + | + | - | - | + | - | + | + | - | + | - | - | - | + | 48 | 32 | 10 | 53.9 | ||
| Maryland | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Sarbanes | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 36 | 4.8 | ||
| Mikulski | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 5 | 30 | 6.3 | ||
| Massachusetts | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Kennedy | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 36 | 2.5 | ||
| Kerry | - | - | - | - | - | - | + | (+) | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | (-) | 12 | 8 | 22 | 5.6 | ||
| Michigan | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Levin | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | 8 | 17 | 28 | 7.1 | ||
| Stabenow | - | - | - | - | - | - | + | + | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | + | 16 | 12 | 6 | 12.0 | ||
| Minnesota | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Dayton | - | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | + | - | - | - | - | 8 | 16 | 6 | 10.7 | ||
| COLEMAN | + | - | + | + | + | - | - | - | + | + | + | + | + | - | + | + | - | + | + | - | + | - | + | + | + | 68 | 64 | 4 | 75.3 | ||
| Mississippi | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| COCHRAN | + | - | + | + | + | - | - | - | + | + | + | + | X | + | + | + | - | - | + | + | + | - | - | + | + | 67 | 88 | 34 | 80.3 | ||
| LOTT | + | + | + | + | + | X | - | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | 88 | 91 | 34 | 92.4 | ||
| Missouri | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| BOND | + | - | + | + | + | - | - | - | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | + | 80 | 88 | 20 | 82.5 | ||
| TALENT | + | - | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 92 | 84 | 12 | 92.8 | ||
| Montana | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Baucus | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | - | - | + | - | - | - | - | - | X | 8 | 24 | 32 | 14.0 | ||
| BURNS | + | - | + | + | + | + | + | - | X | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 92 | 100 | 18 | 90.6 | ||
| Nebraska | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| HAGEL | + | + | + | + | + | + | - | + | + | + | + | - | + | - | X | + | - | - | + | + | + | - | + | + | + | 75 | 96 | 10 | 85.2 | ||
| Nelson Ben | + | - | + | - | + | + | - | + | - | + | + | + | - | + | + | + | - | - | - | - | + | + | + | + | + | 64 | 60 | 6 | 55.0 | ||
| Nevada | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Reid | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | + | 12 | 4 | 24 | 19.9 | ||
| ENSIGN | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 100 | 100 | 12 | 94.4 | ||
| New Hampshire | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| GREGG | + | + | + | + | + | + | - | - | + | + | + | + | + | - | - | + | + | - | + | + | + | - | - | + | + | 72 | 72 | 22 | 78.7 | ||
| SUNUNU | + | + | + | + | + | + | + | + | + | + | + | + | - | + | - | + | + | + | + | + | + | - | + | + | + | 88 | 83 | 10 | 93.2 | ||
| New Jersey | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Lautenberg | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 22 | 5.2 | ||
| Menendez | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 0 | 14 | 9.6 | ||
| New Mexico | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| DOMENICI | + | - | + | + | + | X | - | - | + | + | + | + | + | - | + | + | - | + | + | + | + | - | + | + | + | 75 | 91 | 34 | 74.3 | ||
| Bingaman | - | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | + | - | - | - | - | - | - | 8 | 13 | 24 | 12.5 | ||
| New York | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Schumer | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | X | X | - | - | - | - | - | - | - | + | 4 | 8 | 26 | 6.2 | ||
| Clinton | - | - | - | - | - | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | + | 8 | 12 | 6 | 9.0 | ||
| North Carolina | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| DOLE | + | + | + | + | + | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | 96 | 96 | 4 | 91.0 | ||
| BURR | + | - | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | + | - | + | + | 92 | 92 | 12 | 91.2 | ||
| North Dakota | 2006 Votes | 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 | 2006 | 2005 | YOS | Life | |
| Conrad | + | + | - | - | - | - | - | + | X | - | - | + | - | - | - | - | - | + | + | - | - | - | - | + | + | 33 | 21 | 20 | 20.9 | ||
| Dorgan | - | - | - | - | - | - | - | - | |||||||||||||||||||||||