Tokyo Population 2024 Statistics 2024. By 2035, experts predict that tokyo's metro area. The total population in japan is projected at 124,370,947, or 124.37 million people for the year 2023.

By 2035, experts predict that tokyo’s metro area. The population is highly concentrated in metropolitan areas, most notably tokyo, which is one of the world’s most populated cities, as well as osaka and nagoya.