The map above shows United States and South America side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs South America Geography
Land area
- United States has a land area of 3,533,467 square miles (9,151,637 km²), while South America has 6,888,063 square miles (17,840,000 km²).
- South America's land area is 1.9 times (95%) larger than United States'.
Length
- United States is 3,628 miles (5,839 km) long from north to south; South America is 4,904 miles (7,892 km).
- South America's north-south length is 1.4 times (35%) longer than United States'.
Width
- United States spans 4,824 miles (7,763 km) east to west; South America spans 5,046 miles (8,121 km).
- United States and South America have about the same east-west width.
Highest point
- United States's highest point is Denali at 20,308 feet (6,190 m); South America's is Aconcagua at 22,838 feet (6,961 m).
- Aconcagua is 2,530 feet higher than Denali.
Lowest point
- United States's lowest point is Death Valley at -279 feet; South America's is Laguna del Carbon at -344 feet.
- South America's lowest point is 65 feet lower.
United States vs South America Population and History
Population
- United States has a population of 340,110,988 (2024), while South America has 442,000,000 (2025 UN estimate).
- South America's population is 1.3 times (30%) larger than United States'.
Population density
- United States: 96.3 people per square mile vs South America: 64.2.
- United States' population density is 1.5 times (50%) higher than South America's.
Official Websites
United States official website
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More Size Comparisons
All United States size comparisons · All South America 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.