data japanGraph and download economic data for M2 for Japan from Jan 1955 to Jun 2021 about M2, monetary aggregates, Japan, all items, CPI, price index, indexes, and price.Statements 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