Two places · one area scale
How big is Hawaii compared to Japan?
How big is Hawaii compared to Japan? Compare cited land area and population, see real outlines at a shared area scale, and inspect calculated population density.
Japan has 21.9× the land area of Hawaii. Japan has 86.1× the listed population of Hawaii. Density is calculated from the cited figures.
The figures behind the map
Land area, population and calculated density
At a glance
Compare the figures
Each bar starts at zero. The longest bar is the highest value shown for that measure, not a rating.
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- Hawaii16,634 km²
- Japan364,569 km²
- Hawaii1,432,820
- Japan123,366,734
- Hawaii86 people/km²
- Japan338 people/km²
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| Measure | Hawaii | Japan |
|---|---|---|
| Land area | 6,423 sq miU.S. Census Bureau Gazetteer Files · 2026 | 364,569 sq kmWorld Bank — Land area · 2023 |
| Population | 1,432,820 peopleU.S. Census Bureau Population Estimates Program · 2025 | 123,366,734 peopleWorld Bank — Population, total · 2025 |
| Calculated density | 86 people/km²Calculated from the values above | 338 people/km²Calculated from the values above |
Density is calculated as population ÷ land area converted to km². Source years are shown separately; the calculation may combine different years.
Calculated from the cited values
Land area, population and density differences
The land-area gap is about 0.92 × Montana's land area (347,935 km², calculated).
Japan has 86.1× the listed population of Hawaii.
Japan has 3.93× the calculated population density of Hawaii.
Land area is shown in km² in the charts so the bars use the same unit.
How to read Hawaii and Japan