U.S. Department of Health and Human Services Office of Population Affairs

What percentage of U.S. adolescents report having had any form of partnered sexual activity (oral, anal, or vaginal) by age 18?

of adolescents report having engaged in partnered sexual activity (oral, anal, or vaginal) by the end of adolescence, with estimates clustering around 50–55% in cross‑sectional surveys of 15–19‑year‑o...