data japan 2023Japan investment share of Nominal GDP data is updated quarterly, available from Mar 1980 to Dec 2025, with an average ratio of 26.9 %. ... In the latest reports, 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 is