By the end of the teenage years most young people in the UK will have had sex. The average age of sexual debut in the UK is 16 – 17. While most young people.
In a survey of over 1,000 teens ages 13-16 commissioned by NBC and People Magazine, 68% of teens who have had sex reported sexual desire as a reason for.
The proportion of young people who have had sexual intercourse increases rapidly as they age through adolescence. In 2013, about one in five 15-year-olds.