Japan Population 2024 In Million. Population in japan is expected to reach 124.00 million by the end of 2024, according to trading economics global macro models and analysts expectations. The japan population reached 124.3 million people in dec 2023, compared with the previously reported figure of 124.9 million people in dec 2022;.

Data tables, maps, charts, and live population clock. Methodology of the united nations population estimates and projections (un desa/pop/2024/dc/no.