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 NameLearn the latest trends in data and analytics get exclusive inshts, strategies and connect with top CDAOs and D&A leaders at Data & Analytics Summit 2025, in Japan. Attend