Western Australia Population – PopLab
Factsheet

Western Australia Population


Western Australia (WA) is the nation’s largest state, covering nearly one third of the continent. Established as the Swan River Colony in 1829, it is known for its mineral wealth, long Indian Ocean coastline, and striking natural contrasts from ancient deserts and gorges to lush forests and coral reefs.

Key Figures
1.43
average number of babies per woman in Western Australia
81.6 / 85.7
life expectancy for men and women in Western Australia
+41,395
residents gained via net overseas migration in 2025
+11,675
residents gained via net interstate migration, one of only two states to record a net interstate gain in 2025
3,030,200
estimated people resided in Western Australia in 2025
Western Australia Population Pyramid
Western Australia population pyramid by age and sex, 2006 and 2021

Population pyramid showing males (left) and females (right) in 2006 (dark shades) and 2021 (light shades)

References

  1. Australian Bureau of Statistics. (2025, March). National, state and territory population. ABS. https://www.abs.gov.au/statistics/people/population/national-state-and-territory-population/latest-release
  2. Australian Bureau of Statistics. (2023, August 15). Microdata and TableBuilder: Census of Population and Housing. ABS. https://www.abs.gov.au/statistics/microdata-tablebuilder/available-microdata-tablebuilder/census-population-and-housing
  3. Australian Bureau of Statistics. (2024). Births, Australia. ABS. https://www.abs.gov.au/statistics/people/population/births-australia/latest-release
  4. Australian Bureau of Statistics. (2021 to 2023). Life expectancy. ABS. https://www.abs.gov.au/statistics/people/population/life-expectancy/latest-release