Sexual behavior in the U.S. tends to follow an "inverted U-shape" relative to age, with activity peaking in young to middle adulthood (ages 25–49).
: Despite more open attitudes, some studies show a decline in the frequency of sexual intercourse over the past 20 years among certain age groups, even as other activities like masturbation increase. usa matures sexe
: Women in this bracket most commonly report 2–4 lifetime partners, while men most commonly report 10–39. Sexual behavior in the U
: Intimacy remains a priority for many; 30% of older adults surveyed by AARP report having sex weekly. Defining Sexual Maturity usa matures sexe