The map above shows Massachusetts and Japan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Massachusetts vs Japan Geography
Land area
- Massachusetts has a land area of 7,801 square miles (20,204 km²), while Japan has 140,752 square miles (364,546 km²).
- Japan's land area is 18.0 times larger than Massachusetts'.
Total area
- Massachusetts: 10,554 square miles (27,335 km²) vs Japan: 145,937 square miles (377,975 km²), including inland and coastal water.
- Japan's total area is 13.8 times larger than Massachusetts'.
Length
- Massachusetts is 123 miles (198 km) long from north to south; Japan is 1,557 miles (2,505 km).
- Japan's north-south length is 12.7 times longer than Massachusetts'.
Width
- Massachusetts spans 185 miles (297 km) east to west; Japan spans 1,568 miles (2,524 km).
- Japan's east-west width is 8.5 times (748%) wider than Massachusetts'.
Highest point
- Massachusetts's highest point is Mount Greylock at 3,489 feet (1,063 m); Japan's is Mount Fuji at 12,388 feet (3,776 m).
- Mount Fuji is 8,899 feet higher than Mount Greylock.
Lowest point
- Massachusetts's lowest point is Atlantic Ocean at 0 feet; Japan's is Hachirogata at -13 feet.
- Japan's lowest point is 13 feet lower.
Massachusetts vs Japan Population and History
Population
- Massachusetts has a population of 7,136,171 (2024), while Japan has 122,680,000 (2026).
- Japan's population is 17.2 times larger than Massachusetts'.
Population density
- Massachusetts: 914.8 people per square mile vs Japan: 871.6.
- Massachusetts' population density is 1.0 times (5%) higher than Japan's.
Biggest city
- Massachusetts's biggest city is Boston with 673,458 people; Japan's is Tokyo with 13,515,271.
- Tokyo's population is 20.1 times larger than Boston's.
Largest metro area
- Massachusetts's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs Japan's Tokyo (33,412,512).
- Tokyo's population is 6.6 times (565%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History
- Massachusetts: Admitted to the Union on February 6, 1788, as the 6th 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 1,128 years.
Massachusetts vs Japan Economy
GDP
- Massachusetts's GDP is $778.5 billion (2024) vs Japan's $4,435.2 billion.
- Japan's economic output is 5.7 times (470%) larger than Massachusetts'.
GDP per capita
- Massachusetts: $109,095 per person vs Japan: $35,951.
- Massachusetts' GDP per capita is 3.0 times (203%) higher than Japan's.
Average income
- Massachusetts: $93,607 vs Japan: $38,340 average income per person (per capita personal income).
- Massachusetts' average income is 2.4 times (144%) higher than Japan's.
Official Websites
Massachusetts official website · Japan official website
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More Size Comparisons
All Massachusetts 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.