data japan 2023Japan Total Energy Consumption. Energy consumption per capita was 3.1 toe in 2025. Electricity consumption per capita was around 7.3 MWh. In 2025, total energy consumption dropped toJapan Nominal GDP reached 991.9 USD bn in Dec 2022, compared with 1,000.8 USD bn in the previous quarter. Nominal GDP in Japan is updated quarterly, available from Mar 1957 to