data japan 2024The 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 NameJapan Consumer Price Index growth data is updated monthly, available from Jan 1996 to Feb 2025, with an averaged number of 0.2 % YoY. The data reached an all-time hh of 4.3 %