Q. Do you think the issue of same sex marriage should be decided by Parliament or should there be a national vote?
| Total | Vote Labor | Vote Lib/Nat | Vote Greens | Vote other | Sep 2015 | Mar 2016 | Jul 2016 | Aug 2016 | June 2017 | Vote “Yes” | Vote “No” | ||
| Should be decided by Parliament | 29% | 35% | 23% | 53% | 25% | 21% | 23% | 25% | 25% | 27% | 35% | 19% | |
| Should have a national vote | 59% | 54% | 68% | 43% | 68% | 67% | 66% | 60% | 59% | 61% | 57% | 74% | |
| Don’t know | 12% | 11% | 9% | 4% | 8% | 12% | 11% | 15% | 16% | 12% | 8% | 7% |
59% thought that same sex marriage should be decided by a national vote (down 2% since June 6), and 29% thought it should be decided by parliament (up 2%).
Those who do not support same sex marriage were much more likely to prefer a national vote (74% prefer, compared to 57% of same sex marriage supporters).
Men were more likely to prefer a vote in parliament (34% prefer) than women (24%).