Q. Do you think people of the same sex should or should not be allowed to marry?
| 15 Nov 2010 | 14 Mar 2011 | Vote Labor | Vote Lib/Nat | Vote Greens | |
| Should be allowed to marry | 53% | 49% | 54% | 40% | 78% |
| Should not be allowed to marry | 36% | 40% | 36% | 50% | 16% |
| Don’t know | 11% | 10% | 10% | 10% | 6% |
Support for same-sex marriage has declined a little since this question was last asked in November. 49% (down 4%) agree people of the same sex should be allowed to marry and 40% (up 4%) disagree.
By gender – 43% of men support same sex marriage and 47% oppose, while 56% of women support and 34% oppose.