Western Australia population
Population, Western Australia · Australian Bureau of Statistics · March quarter 2026
Western Australia population 3,096,200 in the March quarter 2026, up 2.1% over the year.
Next release · Thu 17 Dec 2026, 11:30 AEDT · Population
What the numbers say
Western Australia's estimated resident population was 3,096,200 in the March quarter 2026, compared with 3,075,900 in the December quarter 2025. It was up 2.1% over the year to the March quarter 2026, up 13.0% over 5 years and up 21.2% over 10 years. The latest figure is at the peak, the highest since the series began in the June quarter 1981, and compares with the low of 1,300,100 in the June quarter 1981. In the March quarter 2026, Australia's population was 27,921,200.
What is the population of Western Australia?
Western Australia's estimated resident population was 3,096,200 in the March quarter 2026. That compares with 3,075,900 in the December quarter 2025.
Is the population of Western Australia growing?
Western Australia's population was up 2.1% over the year to the March quarter 2026, reaching 3,096,200. That is the highest since the series began in the June quarter 1981.
How fast is the population of Western Australia growing?
Western Australia's population was up 2.1% over the year from the March quarter 2025 to the March quarter 2026. Over longer periods to the March quarter 2026, it was up 13.0% over 5 years and up 21.2% over 10 years.
How does the population of Western Australia compare with Australia's?
Western Australia's population was 3,096,200 in the March quarter 2026, while Australia's population was 27,921,200 in the same quarter.
Written from the figures on this page · updated 11 October 2026
Recent quarters
| Quarter | Value | Status |
|---|---|---|
| March quarter 2026 | 3,096,200 | final |
| December quarter 2025 | 3,075,900 | final |
| September quarter 2025 | 3,062,800 | final |
| June quarter 2025 | 3,045,000 | final |
| March quarter 2025 | 3,032,000 | final |
| December quarter 2024 | 3,011,200 | final |
| September quarter 2024 | 2,995,600 | final |
| June quarter 2024 | 2,978,100 | final |
Full series · 180 quarters · CSV · JSON
This series measures the estimated resident population of Western Australia, in thousands of persons, at the end of each quarter. It is published quarterly by the Australian Bureau of Statistics and runs from June quarter 1981 to March quarter 2026, with the latest reading at 3,096,200. It counts people usually resident in the state, so visitors and other short-term travellers are outside its scope.
It sits alongside related series for Western Australia covering net overseas migration, natural increase and net interstate migration, which account for change in the headline figure. The data is released under CC BY 4.0.
Also in this family
- Western Australia: net overseas migration · CSV · JSON
- Western Australia: natural increase · CSV · JSON
- Western Australia: net interstate migration · CSV · JSON
Related
Source
- α
- Source: Australian Bureau of Statistics, ABS earnings, building and population (market panel), retrieved 1 October 2026. CC BY 4.0.
- β
- Computed by Numbra from α.