Gen Y voters who were too young to vote in the republic referendum 17 years ago are the least supportive of moves for Australia to abandon the Queen, a new poll says.
The Newspoll published in The Weekend Australian also says men are more approving of a republic than women.
Of the 1837 voters polled, 51 per cent of Australians were in favour of constitutional change - the same level of support when the 1999 referendum failed.
There were 37 per cent opposed to the idea, while 12 per cent were undecided.
The poll revealed Gen Y voters, who grew up or were born when John Howard was prime minister, were least likely to be in favour of constitutional change.
Overall, 57 per cent of men wanted a republic compared to only 45 per cent of women.
The poll showed voters were more likely to back a republic if they were older, with support strongest at 54 per cent among the over 50s.
This dropped to 51 per cent for those aged between 35 and 49, and to just 46 per cent for the 18 to 34 age bracket.
Prime Minister Malcolm Turnbull has said the push for an Australian head of state would only become a "front of house issue" if there was enough support from the Australian public.
