The map above shows Australian Capital Territory and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Australian Capital Territory vs Western Australia Geography
Land area: Australian Capital Territory has a land area of 910 square miles (2,358 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 1,071.7 times larger than Australian Capital Territory's.
Total area: Australian Capital Territory: 910 square miles (2,358 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 1,071.7 times larger than Australian Capital Territory's.
Length: Australian Capital Territory is 54 miles (87 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 29.4 times longer than Australian Capital Territory's.
Width: Australian Capital Territory spans 38 miles (61 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 33.8 times wider than Australian Capital Territory's.
Highest point: Australian Capital Territory's highest point is Bimberi Peak at 6,273 feet (1,912 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Bimberi Peak is 2,175 feet higher than Mount Meharry.
Lowest point: Australian Capital Territory's lowest point is Molonglo River at 1,407 feet; Western Australia's is Indian Ocean at 0 feet. Western Australia's lowest point is 1,407 feet lower.
Australian Capital Territory vs Western Australia Population and History
Population: Australian Capital Territory has a population of 486,231 (2025), while Western Australia has 3,061,672 (2025). Western Australia's population is 6.3 times (530%) larger than Australian Capital Territory's.
Population density: Australian Capital Territory: 534.3 people per square mile vs Western Australia: 3.1. Australian Capital Territory's population density is 172.4 times higher than Western Australia's.
Largest metro area: Australian Capital Territory's largest metropolitan area is Greater Canberra (486,231 people) vs Western Australia's Greater Perth (2,452,765). Greater Perth's population is 5.0 times (404%) larger than Greater Canberra's.
History: Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, Western Australia is the older of the two by 10 years.
Australian Capital Territory vs Western Australia Economy
GDP: Australian Capital Territory's GDP is $38.0 billion (2025) vs Western Australia's $304.6 billion. Western Australia's economic output is 8.0 times (702%) larger than Australian Capital Territory's.
GDP per capita: Australian Capital Territory: $78,152 per person vs Western Australia: $99,488. Western Australia's GDP per capita is 1.3 times (27%) higher than Australian Capital Territory's.
Official Websites
Australian Capital Territory official website · Western Australia official website
More Size Comparisons
All Australian Capital Territory size comparisons · All Western Australia size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.