When they see other teens having sex on TV and in films and read about it in magazines and books many get the wrong idea that everyone
Among the teens who hadn't had sex yet, the most common reason was that it was against their religion or morals. Other common reasons
Other findings include: Among teen females aged 15-19, 42% reported having ever had sex; among teen males, the percent was 44%. Among younger teens, males are more likely to have had sex than females but by age 17, the probability of having sexual intercourse was similar for males and females.
In 2015, 41% of high school students reported having sexual intercourse. Between 1991-2015, the proportion of students who ever had sexual intercourse decreased from 54% to 41%. The percent of adolescents who are having sex at earlier ages has decreased since 1988 and contraceptive use has increased since the 1990s.