A majority of Australians (52 per cent) say they will vote "Yes" to alter the Constitution to recognise the First Peoples of Australia by establishing an Aboriginal and Torres Strait Islander Voice, according to the results of a new poll conducted by the Australia Institute.

A third of Australians (33 per cent) say they will vote "No", while 15 percent say they are not sure how they will vote in the referendum, the poll has revealed.