data japan 2023Japan Population (LIVE) ; 2022, 124,997,578 ; 2025, 124,370,947 ; 2025, 123,753,041 ; 2025, 123,103,479Japan 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 to