Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

"More than two-thirds of the country receives less than 500 mm of annual rain, making it an arid region. The Outback, located in the middle of the continent, is especially affected by this dry climate, making it inhospitable for human habitation." This may be why. 😊

Yes a little bit....but there are people out there. Massive cattle stations (a few of the boarders at my school had 1,000,000 plus acre stations) and there's towns dotted around.
Some parts aren't much different from places like Arizona etc....just people want to live near the coast mostly or at least where its green