Population of Japan 2026
122٬985٬439
Population now (estimate)
377٬975
Area (km²)
325
Density (per km²)
-0.5%
Annual growth rate
122٬985٬439
people — live estimate
◷ computed from the 2026 figure and growth rate
The population of Japan in 2026 is about 122,985,439 people, according to the latest United Nations estimates. The population is declining at an annual rate of about 0.5%.
Japan covers about 377,975 km², with Tokyo as its capital, giving a population density of around 325 people per km².
Japan is among the most populous countries in its region, with tens of millions of inhabitants. Its population is trending downward, reflecting demographic shifts or the impact of migration.