Not quite half of American teens have had sex by 18. That’s actually low.

The Washington Post reports:

American teens may be becoming more conservative about sex.

According to a new Centers for Disease Control and Prevention report reflecting data from 2011 to 2015, about 42 percent of girls and about 44 percent of boys ages 15-19 reported that they'd had sex. Both numbers continue a gradual decades-long decline: In 1988, 51 percent of girls and 60 percent of boys in the same age group answered affirmatively on the question of sexual activity.

The cellphone generation in the news.