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Sex Ratio (Males Per 100 Females) in Japan

Source: World Bank, United Nations (World Population Prospects, The 2012 Revision, Low-fertility Assumption)
Last Updated: October 13, 2025

Sex ratio measured by males per 100 females reached 92.8 persons in 2100 in Japan, according to the National Statistical Office. This is 0.054% less than in the previous year.

Historically, sex ratio measured by males per 100 females in Japan reached an all time high of 97.6 persons in 1981 and an all time low of 92.4 persons in 2067.

Japan has been ranked 239th within the group of 250 countries we follow in terms of sex ratio measured by males per 100 females.

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