The map above shows American Samoa and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs Northern Ireland Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while Northern Ireland has 5,236 square miles (13,562 km²). Northern Ireland's land area is 68.2 times larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water. Northern Ireland's total area is 9.4 times (839%) larger than American Samoa's.
Length: American Samoa is 9 miles (14 km) long from north to south; Northern Ireland is 83 miles (134 km). Northern Ireland's north-south length is 9.2 times (822%) longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; Northern Ireland spans 107 miles (173 km). Northern Ireland's east-west width is 6.3 times (529%) wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m). Lata Mountain is 380 feet higher than Slieve Donard.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; Northern Ireland's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
American Samoa vs Northern Ireland Population and History
Population: American Samoa has a population of 49,710 (2020), while Northern Ireland has 1,905,000 (2022). Northern Ireland's population is 38.3 times larger than American Samoa's.
Population density: American Samoa: 645.6 people per square mile vs Northern Ireland: 363.8. American Samoa's population density is 1.8 times (77%) higher than Northern Ireland's.
History: American Samoa: A US territory since 1900. Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921. In its current form, American Samoa is the older of the two by 21 years.
Official Websites
American Samoa official website · Northern Ireland official website
More Size Comparisons
All American Samoa size comparisons · All Northern Ireland 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.