The map above shows Northern Mariana Islands and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Northern Mariana Islands vs Australian Capital Territory Geography
Land area
- Northern Mariana Islands has a land area of 179 square miles (464 km²), while Australian Capital Territory has 910 square miles (2,358 km²).
- Australian Capital Territory's land area is 5.1 times (408%) larger than Northern Mariana Islands'.
Total area
- Northern Mariana Islands: 179 square miles (464 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water.
- Australian Capital Territory's total area is 5.1 times (408%) larger than Northern Mariana Islands'.
Length
- Northern Mariana Islands is 326 miles (524 km) long from north to south; Australian Capital Territory is 54 miles (87 km).
- Northern Mariana Islands' north-south length is 6.0 times (504%) longer than Australian Capital Territory's.
Width
- Northern Mariana Islands spans 278 miles (448 km) east to west; Australian Capital Territory spans 38 miles (61 km).
- Northern Mariana Islands' east-west width is 7.3 times (632%) wider than Australian Capital Territory's.
Highest point
- Northern Mariana Islands's highest point is Agrihan at 3,166 feet (965 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m).
- Bimberi Peak is 3,107 feet higher than Agrihan.
Lowest point
- Northern Mariana Islands's lowest point is Pacific Ocean at 0 feet; Australian Capital Territory's is Molonglo River at 1,407 feet.
- Northern Mariana Islands's lowest point is 1,407 feet lower.
Northern Mariana Islands vs Australian Capital Territory Population and History
Population
- Northern Mariana Islands has a population of 47,329 (2020), while Australian Capital Territory has 486,231 (2025).
- Australian Capital Territory's population is 10.3 times larger than Northern Mariana Islands'.
Population density
- Northern Mariana Islands: 264.4 people per square mile vs Australian Capital Territory: 534.3.
- Australian Capital Territory's population density is 2.0 times (102%) higher than Northern Mariana Islands'.
History
- Northern Mariana Islands: A US commonwealth since 1978.
- Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911.
- In its current form, Australian Capital Territory is the older of the two by 67 years.
Official Websites
Northern Mariana Islands official website · Australian Capital Territory official website
Download the Northern Mariana Islands vs Australian Capital Territory Size Comparison Map for free
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More Size Comparisons
All Northern Mariana Islands 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.