 
<prompt> Age at First Marriage and Age at First Sex | Median age at first marraige and median age at first sexual intercourse for women and men age 25-49 | (Women, Age at first marriage, 18.1) (Men, Age at first marriage, 27.2) (Women, Age at first sexual intercourse, 17.6) (Men, Age at first sexual intercourse, 21.1) <response> On average, women age 25-49 begin to have sex at age 17.6, while men start having sex at age 21.1.  