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 data reached an all-time hh of 1,720.033 USD bn in Dec 2011 and a record low of 5.850 USD bn in Mar 1957. Related information about Japan Gross National Product (GNP) data.