Q. If a political party or candidate supported same-sex marriage would you be more likely to vote for them, less likely to vote for them or does it make no difference to your vote?
| Total | Vote Labor | Vote Lib/Nat | Vote Greens | Vote other | Jun 2015 | ||
| Total more likely | 34% | 43% | 26% | 62% | 25% | 34% | |
| Total less likely | 19% | 13% | 29% | 10% | 30% | 22% | |
| Much more likely | 19% | 25% | 13% | 36% | 14% | 17% | |
| A little more likely | 15% | 18% | 13% | 26% | 11% | 17% | |
| A little less likely | 7% | 5% | 11% | 8% | 9% | 7% | |
| Much less likely | 12% | 8% | 18% | 2% | 21% | 15% | |
| Makes no difference | 40% | 39% | 43% | 25% | 42% | 40% | |
| Don’t know | 6% | 5% | 3% | 3% | 4% | 4% |
34% said they would be more likely to vote for a party or candidate that supported same sex marriage (unchanged since June 2015), and 19% said they would be less likely (down 3%).
40% said a party or candidate’s support for same sex marriage would not make a difference to how likely they were to vote for them.
57% of 18-24 year olds said support for same sex marriage would make them more likely to vote for a party or candidate, and 35% of over 65s said it would make them less likely to vote for a candidate.