In 2025, the surface area of the Japanese archipelago totaled around 377,976 square kilometers, with Honshu accounting for over half of the surface size. The largest share of the population and businesses in Japan are concentrated in Honshu, particularly around the Greater Tokyo Area.
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Statistics Bureau of Japan. (September 19, 2025). Surface area of Japan in 2025, by main islands (in square kilometer) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 16, 2026, from /statistics/633371/japan-island-surface-area/
Statistics Bureau of Japan. "Surface area of Japan in 2025, by main islands (in square kilometer)." Chart. September 19, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 16, 2026. /statistics/633371/japan-island-surface-area/
Statistics Bureau of Japan. (2025). Surface area of Japan in 2025, by main islands (in square kilometer). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 16, 2026. /statistics/633371/japan-island-surface-area/
Statistics Bureau of Japan. "Surface Area of Japan in 2025, by Main Islands (in Square Kilometer)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 19 Sep 2025, /statistics/633371/japan-island-surface-area/
Statistics Bureau of Japan, Surface area of Japan in 2025, by main islands (in square kilometer) ÌÇÐÄÆƽâ°æ, /statistics/633371/japan-island-surface-area/ (last visited July 16, 2026)
Surface area of Japan in 2025, by main islands (in square kilometer) [Graph], Statistics Bureau of Japan, September 19, 2025. [Online]. Available: /statistics/633371/japan-island-surface-area/
