Young people are overwhelmingly the victims of sexual assaults

"Sexual assault has almost as much to do with age as it does with gender, according to Penn State criminologists.

Young people—both male and female—are the most likely targets of rape and other sexual assaults, said Richard Felson, professor of criminology and sociology. The most frequent victims of those assaults are 15 years old, regardless of gender, or the age of the offender, he said. Older people and women rarely commit the crime, but when they do, their most frequent victims are still 15 years old...."
http://phys.org/news/2013-05-young-people-overwhelmingly-victims-sexual.html