About 47 percent of teens have had at least one type sex by the time they graduate 12th grade?

While the exact percentage varies depending on the survey and how "sex" is defined, the statement that around 47% of teens have had sex by the time they graduate 12th grade is in the ballpark of what some studies have shown. It's important to remember that these are estimates and can fluctuate due to factors like survey methodology, geographic location, and the year the study was conducted. There's no single definitive figure universally agreed upon.