Q. Do you think people of the same sex should or should not be allowed to marry?
| Total | Vote Labor | Vote Lib/Nat | Vote Greens | Vote Other | Oct 2015 | Mar 2016 | Jul 2016 | Aug 2016 | Jun 2017 | Jul 2017 | ||
| Should be allowed to marry | 61% | 72% | 55% | 74% | 42% | 59% | 64% | 58% | 62% | 60% | 63% | |
| Should not be allowed to marry | 26% | 17% | 32% | 18% | 46% | 30% | 26% | 28% | 27% | 26% | 25% | |
| Don’t know | 13% | 11% | 13% | 9% | 12% | 11% | 10% | 14% | 12% | 14% | 12% |
61% thought that people of the same sex should be able to marry and 26% thought that they should not. Women (66% support) were more likely than men (56%) to support same sex marriage. 81% of 18-24 year olds supported same sex marriage, compared to 46% of over 65 year olds. These results are similar to those of polling over the last few years.