Population of Australia's SA4 regions, 2025The ABS's estimated resident population at 30 June 2025 by Statistical Area Level 4. Thecapital-city regions hold most people; the outback regions of Western Australia and theNorthern Territory the fewest over the largest areas.Source: ABS, estimated resident population, 30 June 2025Made with chartlink.app≤ 100k≥ 700k