Other contributors have said "How big is the Outback in Australia?" is the same question as "What percentage of Australia is called the Outback?" If you believe that these are not asking the same thing and should be answered differently, click here

What percentage of Australia is called the Outback?

Answer:
Approximately 70 percent of Australia's land mass is regarded as part of the Outback.
First answer by Grevillea. Last edit by Grevillea. Contributor trust: 3405 [recommend contributor recommended]. Question popularity: 2 [recommend question].