Analyze Japan's population per square kilometer, historical density trends and position compared with other countries.
Population density in Japan reached 341.5 people per square kilometer in 2023. The country had a population of 123,366,734 in 2025, while its land area was 364,569 square kilometers. Population density changed by -1.8% over five years and -2.3% over ten years.
In the common comparison year 2023, Japan recorded the 35th-highest population density among 216 economies with available data.
Japan Population Density and Land Area by Year
Data source: World Bank, World Development Indicators — Population density, people per sq. km of land area (EN.POP.DNST); Population, total (population); Land area, sq. km (AG.LND.TOTL.K2).
License: CC BY-4.0. Retrieved 2026-07-12.
About the Indicators
Population density. Midyear population divided by land area in square kilometers, expressed as people per square kilometer.
Land area. A country’s total surface area excluding inland water bodies, in square kilometers.