The map above shows Guam and South Africa side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs South Africa Geography
Land area
- Guam has a land area of 210 square miles (544 km²), while South Africa has 468,909 square miles (1,214,470 km²).
- South Africa's land area is 2,232.5 times larger than Guam's.
Total area
- Guam: 210 square miles (544 km²) vs South Africa: 471,445 square miles (1,221,037 km²), including inland and coastal water.
- South Africa's total area is 2,244.6 times larger than Guam's.
Length
- Guam is 27 miles (43 km) long from north to south; South Africa is 1,050 miles (1,690 km).
- South Africa's north-south length is 38.9 times longer than Guam's.
Width
- Guam spans 22 miles (35 km) east to west; South Africa spans 1,012 miles (1,628 km).
- South Africa's east-west width is 46.0 times wider than Guam's.
Highest point
- Guam's highest point is Mount Lamlam at 1,332 feet (406 m); South Africa's is Mafadi at 11,319 feet (3,450 m).
- Mafadi is 9,987 feet higher than Mount Lamlam.
Lowest point
- Guam's lowest point is Pacific Ocean at 0 feet; South Africa's is Indian Ocean at 0 feet.
- Both lowest points are at or near sea level.
Guam vs South Africa Population and History
Population
- Guam has a population of 153,836 (2020), while South Africa has 63,522,380 (2026).
- South Africa's population is 412.9 times larger than Guam's.
Population density
- Guam: 732.6 people per square mile vs South Africa: 135.5.
- Guam's population density is 5.4 times (441%) higher than South Africa's.
History
- Guam: A US territory since 1898.
- South Africa: Formed as the Union of South Africa on May 31, 1910; a republic since 1961.
- In its current form, Guam is the older of the two by 12 years.
Official Websites
Guam official website · South Africa official website
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More Size Comparisons
All Guam size comparisons · All South Africa 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.