The map above shows Japan and New Zealand side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Japan vs New Zealand Geography
Land area: Japan has a land area of 140,752 square miles (364,546 km²), while New Zealand has 102,138 square miles (264,537 km²). Japan's land area is 1.4 times (38%) larger than New Zealand's.
Total area: Japan: 145,937 square miles (377,975 km²) vs New Zealand: 103,799 square miles (268,838 km²), including inland and coastal water. Japan's total area is 1.4 times (41%) larger than New Zealand's.
Length: Japan is 1,557 miles (2,505 km) long from north to south; New Zealand is 1,185 miles (1,908 km). Japan's north-south length is 1.3 times (31%) longer than New Zealand's.
Width: Japan spans 1,568 miles (2,524 km) east to west; New Zealand spans 969 miles (1,559 km). Japan's east-west width is 1.6 times (62%) wider than New Zealand's.
Highest point: Japan's highest point is Mount Fuji at 12,388 feet (3,776 m); New Zealand's is Aoraki / Mount Cook at 12,218 feet (3,724 m). Mount Fuji is 170 feet higher than Aoraki / Mount Cook.
Lowest point: Japan's lowest point is Hachirogata at -13 feet; New Zealand's is Taieri Plains at -7 feet. Japan's lowest point is 6 feet lower.
Japan vs New Zealand Population and History
Population: Japan has a population of 122,680,000 (2026), while New Zealand has 5,357,300 (2026). Japan's population is 22.9 times larger than New Zealand's.
Population density: Japan: 871.6 people per square mile vs New Zealand: 52.5. Japan's population density is 16.6 times higher than New Zealand's.
Largest metro area: Japan's largest metropolitan area is Tokyo (33,412,512 people) vs New Zealand's Auckland Region (1,715,600). Tokyo's population is 19.5 times larger than Auckland Region's.
History: Japan: An independent state for over two millennia; the current constitution dates from 1947. New Zealand: A dominion from September 26, 1907; fully independent by statute in 1947. In its current form, Japan is the older of the two by 1,247 years.
Japan vs New Zealand Economy
GDP: Japan's GDP is $4,435.2 billion (2025) vs New Zealand's $264.1 billion. Japan's economic output is 16.8 times larger than New Zealand's.
GDP per capita: Japan: $35,951 per person vs New Zealand: $49,591. New Zealand's GDP per capita is 1.4 times (38%) higher than Japan's.
Average income: Japan: $38,340 vs New Zealand: $46,630 average income per person (per capita personal income). New Zealand's average income is 1.2 times (22%) higher than Japan's.
Official Websites
Japan official website · New Zealand official website
More Size Comparisons
All Japan size comparisons · All New Zealand 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.