Geography of Sex

''Published in 2000, the 128 page The Penguin Atlas of Human Sexual Behavior contains a plethora of facts and data about sex and sexuality worldwide.
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One example of an non-cited graphic is titled "Breasts Are Getting Bigger" and implies that in 1997, the average breast size in the U.K. was 36B but that it grew to 36C in 1999. A longer time period is provided for "Asia" - the graphic shows that in the 1980s average breast size was 34A and the 1990s it was 34C, not quite as dramatic as the U.K.'s single cup size increase in two years.
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For women, the countries with the youngest average age of first intercourse are in central Africa and the Czech Republic with an average age of 15. The countries where women's first sexual experience comes at age 20 and older are Egypt, Kazakhstan, Italy, Thailand, Ecuador, and the Philippines. According to the map, the first sexual intercourse comes at 16 in the U.S. and 18 in the U.K.
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For men, the earliest average age of first intercourse is 16 in Brazil, Peru, Kenya, Zambia, Iceland, and Portugal but the highest average age is 19 in Italy.'' [source]