Area:
total: 377,915 sq km country comparison to the world: 61 land: 364,485 sq km
water: 13,430 sq km
note: includes Bonin Islands (Ogasawara-gunto), Daito-shoto, Minami-jima, Okino-tori-shima, Ryukyu Islands (Nansei-shoto), and Volcano Islands (Kazan-retto)
Area - comparative:
slightly smaller than California
Land boundaries:
0 km
Coastline:
29,751 km