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, JapanJapan is a country in Asia. The population in Japan was 124,516,650 in 2025. The unemployment rate in Japan was 2.6% in 2022. The nominal GDP per capita in Japan was $33,766.53 in