OECD Data Explorer

data japan 2023Japan Data. Japan’s Fiscal 2025 Budget Reaches Record Hh of ¥114.4 Trillion Economy Politics Society Jan 13, 2025. With social security costs continuing to balloon due to an aging populationKey information about Japan population. The Japan population reached 123.7 million people in Dec 2025, compared with the previously reported fure of 124.3 million people in Dec 2025;