The map above shows District of Columbia and Japan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Japan Geography
Land area
- District of Columbia has a land area of 61 square miles (158 km²), while Japan has 140,752 square miles (364,546 km²).
- Japan's land area is 2,307.3 times larger than District of Columbia's.
Total area
- District of Columbia: 68 square miles (177 km²) vs Japan: 145,937 square miles (377,975 km²), including inland and coastal water.
- Japan's total area is 2,135.5 times larger than District of Columbia's.
Length
- District of Columbia is 13 miles (22 km) long from north to south; Japan is 1,557 miles (2,505 km).
- Japan's north-south length is 119.8 times longer than District of Columbia's.
Width
- District of Columbia spans 12 miles (19 km) east to west; Japan spans 1,568 miles (2,524 km).
- Japan's east-west width is 130.7 times wider than District of Columbia's.
Highest point
- District of Columbia's highest point is Fort Reno at 429 feet (131 m); Japan's is Mount Fuji at 12,388 feet (3,776 m).
- Mount Fuji is 11,959 feet higher than Fort Reno.
Lowest point
- District of Columbia's lowest point is Potomac River at 0 feet; Japan's is Hachirogata at -13 feet.
- Japan's lowest point is 13 feet lower.
District of Columbia vs Japan Population and History
Population
- District of Columbia has a population of 702,250 (2024), while Japan has 122,680,000 (2026).
- Japan's population is 174.7 times larger than District of Columbia's.
Population density
- District of Columbia: 11,493.5 people per square mile vs Japan: 871.6.
- District of Columbia's population density is 13.2 times higher than Japan's.
Biggest city
- District of Columbia's biggest city is Washington with 702,250 people; Japan's is Tokyo with 13,515,271.
- Tokyo's population is 19.2 times larger than Washington's.
Largest metro area
- District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Japan's Tokyo (33,412,512).
- Tokyo's population is 5.2 times (419%) larger than Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's.
History
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a 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 1,130 years.
District of Columbia vs Japan Economy
GDP
- District of Columbia's GDP is $184.3 billion (2024) vs Japan's $4,435.2 billion.
- Japan's economic output is 24.1 times larger than District of Columbia's.
GDP per capita
- District of Columbia: $262,439 per person vs Japan: $35,951.
- District of Columbia's GDP per capita is 7.3 times (630%) higher than Japan's.
Average income
- District of Columbia: $111,185 vs Japan: $38,340 average income per person (per capita personal income).
- District of Columbia's average income is 2.9 times (190%) higher than Japan's.
Official Websites
District of Columbia official website · Japan official website
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More Size Comparisons
All District of Columbia 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.