Australian states and contiguous territories ranked:

By increasing area: Australian Capital Territory, Tasmania, Victoria, New South Wales, South Australia, Northern Territory, Queensland, Western Australia.

By increasing population: Northern Territory, Australian Capital Territory, Tasmania, South Australia, Western Australia, Queensland, Victoria, New South Wales.

By increasing number of wineries: Northern Territory, Australian Capital Territory, Queensland, Tasmania, Western Australia, New South Wales, South Australia, Victoria. (Source: Winebiz.com.au)

By increasing number of times I have visited them: Tasmania, South Australia, Western Australia, Northern Territory (all 1 each), Queensland (about 5 times), Victoria (about 10 times), Australian Capital Territory (about 20 times), New South Wales (I live here).