The map above shows United States and Japan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
United States vs Japan Geography
Land area: United States has a land area of 3,533,467 square miles (9,151,637 km²), while Japan has 140,752 square miles (364,546 km²). United States' land area is 25.1 times larger than Japan's.
Total area: United States: 3,802,784 square miles (9,849,165 km²) vs Japan: 145,937 square miles (377,975 km²), including inland and coastal water. United States' total area is 26.1 times larger than Japan's.
Length: United States is 3,628 miles (5,839 km) long from north to south; Japan is 1,557 miles (2,505 km). United States' north-south length is 2.3 times (133%) longer than Japan's.
Width: United States spans 4,824 miles (7,763 km) east to west; Japan spans 1,568 miles (2,524 km). United States' east-west width is 3.1 times (208%) wider than Japan's.
Highest point: United States's highest point is Denali at 20,308 feet (6,190 m); Japan's is Mount Fuji at 12,388 feet (3,776 m). Denali is 7,920 feet higher than Mount Fuji.
Lowest point: United States's lowest point is Death Valley at -279 feet; Japan's is Hachirogata at -13 feet. United States's lowest point is 266 feet lower.
United States vs Japan Population and History
Population: United States has a population of 340,110,988 (2024), while Japan has 122,680,000 (2026). United States' population is 2.8 times (177%) larger than Japan's.
Population density: United States: 96.3 people per square mile vs Japan: 871.6. Japan's population density is 9.1 times (805%) higher than United States'.
Biggest city: United States's biggest city is New York with 8,478,072 people; Japan's is Tokyo with 13,515,271. Tokyo's population is 1.6 times (59%) larger than New York's.
Largest metro area: United States's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Japan's Tokyo (33,412,512). Tokyo's population is 1.7 times (68%) larger than New York-Newark-Jersey City, NY-NJ metro area's.
History: United States: Declared independence on July 4, 1776. Japan: An independent state for over two millennia; the current constitution dates from 1947. In its current form, Japan is the older of the two by 1,116 years.
United States vs Japan Economy
GDP: United States's GDP is $30,769.7 billion (2025) vs Japan's $4,435.2 billion. United States' economic output is 6.9 times (594%) larger than Japan's.
GDP per capita: United States: $89,599 per person vs Japan: $35,951. United States' GDP per capita is 2.5 times (149%) higher than Japan's.
Official Websites
United States official website · Japan official website
More Size Comparisons
All United States size comparisons · All Japan 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.