Quick answer: In Australia, the legal age of consent is generally 16 or 17 , depending on the state or territory. The most common age is 16 , while South Australia and Tasmania are 17.

By jurisdiction

State/TerritoryAge of consent
Queensland16
New South Wales16
Victoria16
Western Australia16
Northern Territory16
Australian Capital Territory16
South Australia17
Tasmania17
[1][3]

Important note

Age is not the only factor: some Australian laws also restrict sexual activity where there is a position of authority, supervision, or special care , even if the younger person is at or above the age of consent.

If you want, I can also give you the state-by-state rules in plain English or explain the close-in-age exceptions.