As of November 8, 2023, the population of Japan is approximately 123,057,712. According to the Statistical Bureau of Japan, the population of Japan as of July 2023 is at 124.631 million, including foreign residents. The population of Japanese nationals only was 123.8 million in January 2021. Japan is the worlds fastest aging country and has the highest proportion of elderly citizens of any country, comprising one-third of its total population. As a growing number of younger Japanese are not marrying or remaining childless, Japans population is expected to drop to around 88 million by 2065.