It may be tempting for parents to allow their newly licensed teens to drive themselves to their friends’ houses or pick up a few things at the grocery. After all, they are actually eager to do the chores parents have grumbled about for years. But before they sit back and leave the driving to their kids, parents need to be aware of some disturbing statistics regarding teen drivers.

According to the Insurance Institute for Highway Safety, crashes are the leading cause of death among American teens, accounting for more than one-third of all deaths of 16- to 18-year-olds. This should be reason enough for parents to take their teens’ driving very seriously and to insist that their teens do, too. And if beginning drivers complain about too many limits and too little freedom behind the wheel, parents can show them the following data from the IIHS: