Japan's Population in 2022: Total, Density, and Demographic Trends

As of October 2022, Japan's population was approximately 123.3 million (World Bank).

Key Demographics

• Density: ~1,150 people/km² (33rd globally, but highly concentrated in coastal plains).
• Urbanization: ~92% urban; Greater Tokyo = 37M (world's largest metro).
• Aging: 29% aged 65+ (highest globally); median age 48.6.
• Fertility: 1.3 children/woman (far below 2.1 replacement).
• Trend: Population peaked ~2010 (128M); declining since. Projected <100M by 2050.

Implications

Labor shortages, pension strain, rural depopulation, innovation in robotics/AI/care tech. Immigration remains low but rising slightly (specified skilled worker visas).