Japan inzvimbo ine stratovolcanic archipelago ine zvitsuwa zvinenge 6,852. Zvitsuwa zvina zvikuru ndezvekuti Honshu, Hokkaido, Kyushu, uye Shikoku, izvo zvinoumba zvikamu makumi mapfumbamwe nemanomwe kubva muzana zveJapan uye zvinowanzonzi zvitsuwa zvemusha. Nyika yakakamurwa kuita matunhu makumi mana nenomwe mumatunhu masere, Hokkaido iri kuchamhembe kwakanyanya uye Okinawa iri kumaodzanyemba kwakanyanya. Japan ndiyo nyika yechipiri ine vanhu vakawanda. Huwandu hwevanhu vane mamirioni gumi nematanhatu ndiyo nyika yechigumi neimwe, iyo 98.5% iri yechiJapan. Vanhu vemadzinza makumi mapfumbamwe nemapfumbamwe vanogara mumaguta makuru, nepo 9.3% vanogara mumaruwa ekumadokero. Vanhu vangangoita mamirioni gumi nemana nemasere vanogara muTokyo, guta guru reJapan.
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