 
<prompt> Median age at first sex and first marriage | Median age in years | (Women age 25-49, Median age at first sex, 17.2) (Men age 30-59, Median age at first sex, 21.7) (Women age 25-49, Median age at first marriage, 19.1) (Men age 30-59, Median age at first marriage, 27.7) <response> The median age at first sexual intercourse among women age 25-49 in Nigeria is 17.2 years, while the median age among men is 21.7 years.  