The map above shows American Samoa and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs Australian Capital Territory Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while Australian Capital Territory has 910 square miles (2,358 km²). Australian Capital Territory's land area is 11.8 times larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water. Australian Capital Territory's total area is 1.6 times (57%) larger than American Samoa's.
Length: American Samoa is 9 miles (14 km) long from north to south; Australian Capital Territory is 54 miles (87 km). Australian Capital Territory's north-south length is 6.0 times (500%) longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; Australian Capital Territory spans 38 miles (61 km). Australian Capital Territory's east-west width is 2.2 times (124%) wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m). Bimberi Peak is 3,104 feet higher than Lata Mountain.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; Australian Capital Territory's is Molonglo River at 1,407 feet. American Samoa's lowest point is 1,407 feet lower.
American Samoa vs Australian Capital Territory Population and History
Population: American Samoa has a population of 49,710 (2020), while Australian Capital Territory has 486,231 (2025). Australian Capital Territory's population is 9.8 times (878%) larger than American Samoa's.
Population density: American Samoa: 645.6 people per square mile vs Australian Capital Territory: 534.3. American Samoa's population density is 1.2 times (21%) higher than Australian Capital Territory's.
History: American Samoa: A US territory since 1900. Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911. In its current form, American Samoa is the older of the two by 11 years.
Official Websites
American Samoa official website · Australian Capital Territory official website
More Size Comparisons
All American Samoa size comparisons · All Australian Capital Territory 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.