demographics of Japan

Also known as demography of Japan

demographics of country

Key facts

Population: 123,400,000 (April 2025) ( 11th )
Density: 343.28/km (889.1/sq mi) (2022)
Growth rate: –0.44% (2024)
Birth rate: 5.8 births/1,000 population (2023 est.)
Death rate: 12.7 deaths/1,000 population (2023 est.)
Life expectancy: 84.83 years
Male: 81 years
Female: 87 years
Fertility rate: 1.14 children born/woman (2024)
Infant mortality: 1.9 deaths/1,000 live births
Net migration rate: 0.74 migrant(s)/1,000 population
0 14 years: 10.9%

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Article

Japan's population history

The demography of Japan is monitored by National Institute of Population and Social Security Research (IPSS) and Statistics Bureau. As of April 2025, Japan's population was roughly 123.4 million people, and peaked at 128.5 million people in 2010. It is the 6th-most populous country in Asia, and the 11th-most populous country in the world.