The map above shows Guam and New South Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs New South Wales Geography
Land area
- Guam has a land area of 210 square miles (544 km²), while New South Wales has 309,130 square miles (800,642 km²).
- New South Wales' land area is 1,471.8 times larger than Guam's.
Total area
- Guam: 210 square miles (544 km²) vs New South Wales: 309,130 square miles (800,642 km²), including inland and coastal water.
- New South Wales' total area is 1,471.8 times larger than Guam's.
Length
- Guam is 27 miles (43 km) long from north to south; New South Wales is 678 miles (1,092 km).
- New South Wales' north-south length is 25.1 times longer than Guam's.
Width
- Guam spans 22 miles (35 km) east to west; New South Wales spans 831 miles (1,338 km).
- New South Wales' east-west width is 37.8 times wider than Guam's.
Highest point
- Guam's highest point is Mount Lamlam at 1,332 feet (406 m); New South Wales's is Mount Kosciuszko at 7,310 feet (2,228 m).
- Mount Kosciuszko is 5,978 feet higher than Mount Lamlam.
Lowest point
- Guam's lowest point is Pacific Ocean at 0 feet; New South Wales's is Pacific Ocean at 0 feet.
- Both lowest points are at or near sea level.
Guam vs New South Wales Population and History
Population
- Guam has a population of 153,836 (2020), while New South Wales has 8,624,534 (2025).
- New South Wales' population is 56.1 times larger than Guam's.
Population density
- Guam: 732.6 people per square mile vs New South Wales: 27.9.
- Guam's population density is 26.3 times higher than New South Wales'.
History
- Guam: A US territory since 1898.
- New South Wales: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1788.
- In its current form, Guam is the older of the two by 3 years.
Official Websites
Guam official website · New South Wales official website
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More Size Comparisons
All Guam size comparisons · All New South Wales 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.