The law criminalises people who have sex with under-16-year-olds. So, if an 18-year-old is having consensual sex with a 15-year-old, the 18-year-old is guilty of an offence and the 15-year-old is the victim.

Is a 15 year old a minor in Australia?

About legal age in Australia In Australia, youre considered to be an adult when you turn 18 years old. But for certain things, the legal age can be younger. The information in this article is general in nature, and laws differ from state to state. check the laws in your state or territory.