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 NameEmbassy of Switzerland in Japan Economic Report 2025 JAPAN 12 July 2025 Executive Summary The Japanese economy grew by 1.8% in 2025. The outlook is clouded by weak