Q. If a plebiscite is held, should the result be binding on Parliament or should members of Parliament still have a free vote?
| Total | Vote Labor | Vote Lib/Nat | Vote Greens | Vote other | Vote yes | Vote no | |||
| Should be binding on Parliament | 49% | 56% | 49% | 59% | 52% | 60% | 42% | ||
| Members of Parliament should still have a free vote | 26% | 23% | 29% | 27% | 29% | 22% | 36% | ||
| Don’t know | 25% | 20% | 22% | 14% | 18% | 19% | 22% |
49% think that a plebiscite on same-sex marriage should be binding on Parliament and 26% think parliamentarians should still have a free vote.
Those most likely to support a binding vote were Greens voters (59%), Labor voters (56%) and those who would vote yes in a plebiscite (60%).