The map above shows Japan and Tasmania side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Japan vs Tasmania Geography
Land area: Japan has a land area of 140,752 square miles (364,546 km²), while Tasmania has 26,410 square miles (68,401 km²). Japan's land area is 5.3 times (433%) larger than Tasmania's.
Total area: Japan: 145,937 square miles (377,975 km²) vs Tasmania: 26,410 square miles (68,401 km²), including inland and coastal water. Japan's total area is 5.5 times (453%) larger than Tasmania's.
Length: Japan is 1,557 miles (2,505 km) long from north to south; Tasmania is 318 miles (511 km). Japan's north-south length is 4.9 times (390%) longer than Tasmania's.
Width: Japan spans 1,568 miles (2,524 km) east to west; Tasmania spans 248 miles (399 km). Japan's east-west width is 6.3 times (532%) wider than Tasmania's.
Highest point: Japan's highest point is Mount Fuji at 12,388 feet (3,776 m); Tasmania's is Mount Ossa at 5,305 feet (1,617 m). Mount Fuji is 7,083 feet higher than Mount Ossa.
Lowest point: Japan's lowest point is Hachirogata at -13 feet; Tasmania's is Southern Ocean at 0 feet. Japan's lowest point is 13 feet lower.
Japan vs Tasmania Population and History
Population: Japan has a population of 122,680,000 (2026), while Tasmania has 576,659 (2025). Japan's population is 212.7 times larger than Tasmania's.
Population density: Japan: 871.6 people per square mile vs Tasmania: 21.8. Japan's population density is 40.0 times higher than Tasmania's.
Largest metro area: Japan's largest metropolitan area is Tokyo (33,412,512 people) vs Tasmania's Greater Hobart (255,250). Tokyo's population is 130.9 times larger than Greater Hobart's.
History: Japan: An independent state for over two millennia; the current constitution dates from 1947. Tasmania: Became an Australian state at Federation on January 1, 1901; founded as a colony in 1825. In its current form, Japan is the older of the two by 1,241 years.
Japan vs Tasmania Economy
GDP: Japan's GDP is $4,435.2 billion (2025) vs Tasmania's $28.3 billion. Japan's economic output is 156.7 times larger than Tasmania's.
GDP per capita: Japan: $35,951 per person vs Tasmania: $49,076. Tasmania's GDP per capita is 1.4 times (37%) higher than Japan's.
Official Websites
Japan official website · Tasmania official website
More Size Comparisons
All Japan size comparisons · All Tasmania 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.