Sexuality in Japan

Sexuality in Japan has developed separately from mainland Asia, as Japan did not adopt the Confucian view of marriage in which chastity is highly valued. Monogamy in marriage was less prized in Japan, and married men often sought pleasure from courtesans. Prostitution in Japan has a long history, and became especially popular during the Japanese economic miracle, as evening entertainments were tax-deductible. Homosexuality and bisexuality are less frowned upon than in many other parts of the world. Japanese pornography has a wide following worldwide and is translated and exported nearly everywhere, due to its wide range of themes and media. Japan has a vibrant fetish scene, particularly in the larger cities, that has influenced many fetish communities worldwide. Decreased sex drive in the 21st century has been blamed for the low Japanese birth rate and declining growth of the Japanese population.

Sexual activity and interest has been declining in Japan for years, and is in part blamed for Japan's decreasing birth rate. Because Japan has one of the lowest birth rates in the world and its population is on course to shrink dramatically by the middle of the century, every five years the government carries out a detailed survey of attitudes to sex and marriage. The studies and surveys have reported loss of sexual drive across several demographics, from adolescent men and women, to married couples. In 2010, the 14th Japanese National Fertility Survey was conducted by the National Institute of Population and Social Security Research. Singles between the ages of 18–34 who are not involved in a romantic relationship and do not want one amounted to 28% for men and 23% for women. It was also found that 28% of men and 26% of women aged 35–39 had no sexual experience. However, the possibility of response bias should be taken into consideration with these figures.

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