The map above shows American Samoa and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs United Kingdom Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while United Kingdom has 93,410 square miles (241,930 km²). United Kingdom's land area is 1,215.7 times larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. United Kingdom's total area is 161.9 times larger than American Samoa's.
Length: American Samoa is 9 miles (14 km) long from north to south; United Kingdom is 747 miles (1,202 km). United Kingdom's north-south length is 83.0 times longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; United Kingdom spans 429 miles (690 km). United Kingdom's east-west width is 25.2 times wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Ben Nevis is 1,244 feet higher than Lata Mountain.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 10 feet lower.
American Samoa vs United Kingdom Population and History
Population: American Samoa has a population of 49,710 (2020), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 1,397.8 times larger than American Samoa's.
Population density: American Samoa: 645.6 people per square mile vs United Kingdom: 743.9. United Kingdom's population density is 1.2 times (15%) higher than American Samoa's.
History: American Samoa: A US territory since 1900. United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922. In its current form, United Kingdom is the older of the two by 99 years.
Official Websites
American Samoa official website · United Kingdom official website
More Size Comparisons
All American Samoa size comparisons · All United Kingdom 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.