The map above shows Northern Mariana Islands and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Northern Mariana Islands vs Tasmania Geography
Land area: Northern Mariana Islands has a land area of 179 square miles (464 km²), while Tasmania has 26,410 square miles (68,401 km²). Tasmania's land area is 147.4 times larger than Northern Mariana Islands'.
Total area: Northern Mariana Islands: 179 square miles (464 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Tasmania's total area is 147.4 times larger than Northern Mariana Islands'.
Length: Northern Mariana Islands is 326 miles (524 km) long from north to south; Tasmania is 318 miles (511 km). Northern Mariana Islands and Tasmania have about the same north-south length.
Width: Northern Mariana Islands spans 278 miles (448 km) east to west; Tasmania spans 248 miles (399 km). Northern Mariana Islands' east-west width is 1.1 times (12%) wider than Tasmania's.
Highest point: Northern Mariana Islands's highest point is Agrihan at 3,166 feet (965 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Ossa is 2,139 feet higher than Agrihan.
Lowest point: Northern Mariana Islands's lowest point is Pacific Ocean at 0 feet; Tasmania's is Southern Ocean at 0 feet. Both lowest points are at or near sea level.
Northern Mariana Islands vs Tasmania Population and History
Population: Northern Mariana Islands has a population of 47,329 (2020), while Tasmania has 576,659 (2025). Tasmania's population is 12.2 times larger than Northern Mariana Islands'.
Population density: Northern Mariana Islands: 264.4 people per square mile vs Tasmania: 21.8. Northern Mariana Islands' population density is 12.1 times higher than Tasmania's.
History: Northern Mariana Islands: A US commonwealth since 1978. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Tasmania is the older of the two by 77 years.
Official Websites
Northern Mariana Islands official website · Tasmania official website
More Size Comparisons
All Northern Mariana Islands size comparisons · All Tasmania 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.