mmwr quickstats: never married females and males aged 15 19 years who have ever had sexual intercourse, national survey of family growth, united states, 1988 2008 /

From 1988 to 2006-2008,the percentage of never-married teenage females (ages 15-19 years) who ever had sexual intercourse declined from 51% to 42%, and the percentage for never-married teenage males declined from 60% to 43%. In 1988, and teenage males were more likely than teenage females to beget ever beget had sexual intercourse,but by 2006-2008, the percentages were equivalent.

Source: cdc.gov