Population of Japan 2025

data japan 2023The 2025 population density in Japan is 338 people per Km2 (875 people per mi2), calculated on a total land area of 364,555 Km2 (140,755 sq. miles). Largest Cities in Japan # City NameIn 2025, Japan had more than twice as many deaths as births, leading to a natural population dec (excluding mration) of over 800,000.