Best Japan Sim Card for Tourists [2025]

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 isData for Japan, East Asia & Pacific from The World Bank: Data. Free and open access to global development data. Data. This page in: English; Español; Français;