data japanData refers to a 5-year period preceding the reference year. j : Refers to foren citizens. k : Data as at the end of December. l : 2018: m : 2014: n : 2017: o : Data are as at 1 January ofStatements that can be derived from Japan's population data. Japan has a population of 123,753,041 people, as of July 1, 2025. Japan's population is equivalent to 1.55% of the total