The map above shows Tasmania and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Tasmania vs Western Australia Geography
Land area
- Tasmania has a land area of 26,410 square miles (68,401 km²), while Western Australia has 975,685 square miles (2,527,013 km²).
- Western Australia's land area is 36.9 times larger than Tasmania's.
Total area
- Tasmania: 26,410 square miles (68,401 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water.
- Western Australia's total area is 36.9 times larger than Tasmania's.
Length
- Tasmania is 318 miles (511 km) long from north to south; Western Australia is 1,590 miles (2,558 km).
- Western Australia's north-south length is 5.0 times (400%) longer than Tasmania's.
Width
- Tasmania spans 248 miles (399 km) east to west; Western Australia spans 1,286 miles (2,069 km).
- Western Australia's east-west width is 5.2 times (419%) wider than Tasmania's.
Highest point
- Tasmania's highest point is Mount Ossa at 5,305 feet (1,617 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m).
- Mount Ossa is 1,207 feet higher than Mount Meharry.
Lowest point
- Tasmania's lowest point is Southern Ocean at 0 feet; Western Australia's is Indian Ocean at 0 feet.
- Both lowest points are at or near sea level.
Tasmania vs Western Australia Population and History
Population
- Tasmania has a population of 576,659 (2025), while Western Australia has 3,061,672 (2025).
- Western Australia's population is 5.3 times (431%) larger than Tasmania's.
Population density
- Tasmania: 21.8 people per square mile vs Western Australia: 3.1.
- Tasmania's population density is 7.0 times (603%) higher than Western Australia's.
Largest metro area
- Tasmania's largest metropolitan area is Greater Hobart (255,250 people) vs Western Australia's Greater Perth (2,452,765).
- Greater Perth's population is 9.6 times (861%) larger than Greater Hobart's.
History
- Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825.
- Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829.
Tasmania vs Western Australia Economy
GDP
- Tasmania's GDP is $28.3 billion (2025) vs Western Australia's $304.6 billion.
- Western Australia's economic output is 10.8 times larger than Tasmania's.
GDP per capita
- Tasmania: $49,076 per person vs Western Australia: $99,488.
- Western Australia's GDP per capita is 2.0 times (103%) higher than Tasmania's.
Official Websites
Tasmania official website · Western Australia official website
Download the Tasmania vs Western Australia Size Comparison Map for free
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More Size Comparisons
All Tasmania 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.