U.S. state constitutional amendments banning same-sex unions States that have voted on amendments States that have voted on amendments

| State_ | Date_ | Yes_vote | No_vote | Vote_outcome |
|---|---|---|---|---|
| Texas | 2005 | 76% (1,718,513) | 24% (536,052) | Yes |
| Alabama | 2006 | 81% (734,746) | 19% (170,399) | Yes |
| South Carolina | 2006 | 78% (825,766) | 22% (232,978) | Yes |
| Tennessee | 2006 | 81% (1,419,434) | 19% (327,536) | Yes |
| Virginia | 2006 | 57% (1,328,134) | 43% (998,483) | Yes |
| Florida | 2008 | 62% (4,890,883) | 38% (3,008,026) | Yes |
| North Carolina | 2012 | 61% (1,317,976) | 39% (840,802) | Yes |