The map above shows Ohio and Japan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Japan Geography
Land area
- Ohio has a land area of 40,859 square miles (105,824 km²), while Japan has 140,752 square miles (364,546 km²).
- Japan's land area is 3.4 times (244%) larger than Ohio's.
Total area
- Ohio: 44,826 square miles (116,098 km²) vs Japan: 145,937 square miles (377,975 km²), including inland and coastal water.
- Japan's total area is 3.3 times (226%) larger than Ohio's.
Length
- Ohio is 291 miles (468 km) long from north to south; Japan is 1,557 miles (2,505 km).
- Japan's north-south length is 5.4 times (435%) longer than Ohio's.
Width
- Ohio spans 317 miles (510 km) east to west; Japan spans 1,568 miles (2,524 km).
- Japan's east-west width is 4.9 times (395%) wider than Ohio's.
Highest point
- Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Japan's is Mount Fuji at 12,388 feet (3,776 m).
- Mount Fuji is 10,841 feet higher than Campbell Hill.
Lowest point
- Ohio's lowest point is Ohio River at 455 feet; Japan's is Hachirogata at -13 feet.
- Japan's lowest point is 468 feet lower.
Ohio vs Japan Population and History
Population
- Ohio has a population of 11,883,304 (2024), while Japan has 122,680,000 (2026).
- Japan's population is 10.3 times larger than Ohio's.
Population density
- Ohio: 290.8 people per square mile vs Japan: 871.6.
- Japan's population density is 3.0 times (200%) higher than Ohio's.
Biggest city
- Ohio's biggest city is Columbus with 933,263 people; Japan's is Tokyo with 13,515,271.
- Tokyo's population is 14.5 times larger than Columbus'.
Largest metro area
- Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Japan's Tokyo (33,412,512).
- Tokyo's population is 14.5 times larger than Cincinnati, OH-KY-IN metro area's.
History
- Ohio: Admitted to the Union on March 1, 1803, as the 17th 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 1,143 years.
Ohio vs Japan Economy
GDP
- Ohio's GDP is $923.1 billion (2024) vs Japan's $4,435.2 billion.
- Japan's economic output is 4.8 times (380%) larger than Ohio's.
GDP per capita
- Ohio: $77,684 per person vs Japan: $35,951.
- Ohio's GDP per capita is 2.2 times (116%) higher than Japan's.
Average income
- Ohio: $64,464 vs Japan: $38,340 average income per person (per capita personal income).
- Ohio's average income is 1.7 times (68%) higher than Japan's.
Official Websites
Ohio official website · Japan official website
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More Size Comparisons
All Ohio 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.