The map above shows American Samoa and Northern Mariana Islands side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
American Samoa vs Northern Mariana Islands Geography
Land area: American Samoa has a land area of 77 square miles (199 km²), while Northern Mariana Islands has 179 square miles (464 km²). Northern Mariana Islands' land area is 2.3 times (133%) larger than American Samoa's.
Total area: American Samoa: 581 square miles (1,505 km²) vs Northern Mariana Islands: 179 square miles (464 km²), including inland and coastal water. American Samoa's total area is 3.2 times (224%) larger than Northern Mariana Islands'.
Length: American Samoa is 9 miles (14 km) long from north to south; Northern Mariana Islands is 326 miles (524 km). Northern Mariana Islands' north-south length is 36.2 times longer than American Samoa's.
Width: American Samoa spans 17 miles (28 km) east to west; Northern Mariana Islands spans 278 miles (448 km). Northern Mariana Islands' east-west width is 16.4 times wider than American Samoa's.
Highest point: American Samoa's highest point is Lata Mountain at 3,169 feet (966 m); Northern Mariana Islands's is Agrihan at 3,166 feet (965 m). Lata Mountain is 3 feet higher than Agrihan.
Lowest point: American Samoa's lowest point is Pacific Ocean at 0 feet; Northern Mariana Islands's is Pacific Ocean at 0 feet. Both lowest points are at or near sea level.
American Samoa vs Northern Mariana Islands Population and History
Population: American Samoa has a population of 49,710 (2020), while Northern Mariana Islands has 47,329 (2020). American Samoa's population is 1.1 times (5%) larger than Northern Mariana Islands'.
Population density: American Samoa: 645.6 people per square mile vs Northern Mariana Islands: 264.4. American Samoa's population density is 2.4 times (144%) higher than Northern Mariana Islands'.
History: American Samoa: A US territory since 1900. Northern Mariana Islands: A US commonwealth since 1978. In its current form, American Samoa is the older of the two by 78 years.
Official Websites
American Samoa official website · Northern Mariana Islands official website
More Size Comparisons
All American Samoa size comparisons · All Northern Mariana Islands 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.