The map above shows Guam and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs Tasmania Geography
Land area
- Guam has a land area of 210 square miles (544 km²), while Tasmania has 26,410 square miles (68,401 km²).
- Tasmania's land area is 125.7 times larger than Guam's.
Total area
- Guam: 210 square miles (544 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water.
- Tasmania's total area is 125.7 times larger than Guam's.
Length
- Guam is 27 miles (43 km) long from north to south; Tasmania is 318 miles (511 km).
- Tasmania's north-south length is 11.8 times longer than Guam's.
Width
- Guam spans 22 miles (35 km) east to west; Tasmania spans 248 miles (399 km).
- Tasmania's east-west width is 11.3 times wider than Guam's.
Highest point
- Guam's highest point is Mount Lamlam at 1,332 feet (406 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m).
- Mount Ossa is 3,973 feet higher than Mount Lamlam.
Lowest point
- Guam'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.
Guam vs Tasmania Population and History
Population
- Guam has a population of 153,836 (2020), while Tasmania has 576,659 (2025).
- Tasmania's population is 3.7 times (275%) larger than Guam's.
Population density
- Guam: 732.6 people per square mile vs Tasmania: 21.8.
- Guam's population density is 33.6 times higher than Tasmania's.
History
- Guam: A US territory since 1898.
- Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825.
- In its current form, Guam is the older of the two by 3 years.
Official Websites
Guam official website · Tasmania official website
Download the Guam vs Tasmania Size Comparison Map for free
To download the map, right-click the image above (or press and hold on a phone or tablet) and choose Save image as. The map is free to use anywhere, including on your own website or in print, as long as you credit it with a link back to this page or to BrilliantMaps.com.
More Size Comparisons
All Guam 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.