
Sexual Activity
Most very young teens have not had intercourse: 8 in 10 girls and 7 in 10 boys are sexually inexperienced at age 15. 1
The likelihood of teenagers’ having intercourse increases steadily with age; however, about 1 in 5 young people do not have intercourse while teenagers.2
Most young people begin having sex in their mid-to-late teens, about 8 years before they marry; more than half of 17-year-olds have had intercourse.3
While ...