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’s GDP grew by 0.7% qoq in Q4 of 2025, accelerating from an upwardly revised 0.4% expansion in Q3 and surpassing market expectations of 0.3%, preliminary data showed. This