The map above shows American Samoa and Western Australia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs Western Australia Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while Western Australia has 975,685 square miles (2,527,013 km²). Western Australia's land area is 12,698.6 times larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs Western Australia: 975,685 square miles (2,527,013 km²), including inland and coastal water. Western Australia's total area is 1,679.1 times larger than American Samoa's.
Length: American Samoa is 9 miles (14 km) long from north to south; Western Australia is 1,590 miles (2,558 km). Western Australia's north-south length is 176.7 times longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; Western Australia spans 1,286 miles (2,069 km). Western Australia's east-west width is 75.6 times wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); Western Australia's is Mount Meharry at 4,098 feet (1,249 m). Mount Meharry is 929 feet higher than Lata Mountain.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; Western Australia's is Indian Ocean at 0 feet. Both lowest points are at or near sea level.
American Samoa vs Western Australia Population and History
Population: American Samoa has a population of 49,710 (2020), while Western Australia has 3,061,672 (2025). Western Australia's population is 61.6 times larger than American Samoa's.
Population density: American Samoa: 645.6 people per square mile vs Western Australia: 3.1. American Samoa's population density is 208.3 times higher than Western Australia's.
History: American Samoa: A US territory since 1900. Western Australia: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1829. In its current form, American Samoa is the older of the two by 1 years.
Official Websites
American Samoa official website · Western Australia official website
More Size Comparisons
All American Samoa 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.