The map above shows Colorado and Japan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Japan Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Japan has 140,752 square miles (364,546 km²). Japan's land area is 1.4 times (36%) larger than Colorado's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Japan: 145,937 square miles (377,975 km²), including inland and coastal water. Japan's total area is 1.4 times (40%) larger than Colorado's.
Length: Colorado is 467 miles (751 km) long from north to south; Japan is 1,557 miles (2,505 km). Japan's north-south length is 3.3 times (233%) longer than Colorado's.
Width: Colorado spans 387 miles (622 km) east to west; Japan spans 1,568 miles (2,524 km). Japan's east-west width is 4.1 times (305%) wider than Colorado's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Japan's is Mount Fuji at 12,388 feet (3,776 m). Mount Elbert is 2,034 feet higher than Mount Fuji.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Japan's is Hachirogata at -13 feet. Japan's lowest point is 3,339 feet lower.
Colorado vs Japan Population and History
Population: Colorado has a population of 5,957,493 (2024), while Japan has 122,680,000 (2026). Japan's population is 20.6 times larger than Colorado's.
Population density: Colorado: 57.5 people per square mile vs Japan: 871.6. Japan's population density is 15.2 times higher than Colorado's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Japan's is Tokyo with 13,515,271. Tokyo's population is 18.5 times larger than Denver's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Japan's Tokyo (33,412,512). Tokyo's population is 10.9 times larger than Denver-Aurora-Centennial, CO metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. 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 1,216 years.
Colorado vs Japan Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Japan's $4,435.2 billion. Japan's economic output is 8.0 times (695%) larger than Colorado's.
GDP per capita: Colorado: $93,602 per person vs Japan: $35,951. Colorado's GDP per capita is 2.6 times (160%) higher than Japan's.
Average income: Colorado: $83,055 vs Japan: $38,340 average income per person (per capita personal income). Colorado's average income is 2.2 times (117%) higher than Japan's.
Official Websites
Colorado official website · Japan official website
More Size Comparisons
All Colorado 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.