data japan 2023The 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 isThe Gross Domestic Product (GDP) in Japan was worth 4204.49 billion US dollars in 2025, according to official data from the World Bank. The GDP value of Japan represents 3.99