Statistics Bureau Home PageStatistical Handbook of Japan

data japanThe current population of Japan is 123,271,281 as of Friday, March 28, 2025, based on Worldometer’s elaboration of the latest United Nations data 1.; Japan 2025 population isDownload Japan Prefectures Shapefile Data. Japan is divided into 47 prefectures, which rank immediately below the national government and form the country’s first level of jurisdiction