This FACT indicates the home-state of the top 70 'best' Australian actors or actresses according to IMDb in 2012.
The state with the highest number of the top 70 actors is New South Wales at 17 actors out of the 70. Northern Territory has the lowest number of actors from the list at 0. This data is from the year 2012.
*NOTE excluded from the list are actors that information of their birthplace was unavailable and actors that were raised in Australia but not born there.