More than a third of childbearing-age Japanese have never had sex: 39 percent of women and 36 percent of men, ages 18 to 34. That number hasn't actually changed much over the last decade, but it is unusually high.http://www.washingtonpost.com/blogs/worldviews/wp/2013/10/22/japans-sexual-apathy-is-endangering-the-global-economy/?tid=pm_world_pop