Forty-nine states and the District of Columbia have laws requiring that people riding in cars wear seat belts. More than half of the passengers killed in 2012 were not wearing seat belts. (Injury Facts 2014). For young adults 16-24, seatbelt use was significantly lower in 2011. Seat belts can save your life and those of your loved ones. When used properly, seatbelts reduce the risk of fatal injury to passengers in the front seat by 45 percent and moderate-to-critical injury by 50 percent. Airbags help to reduce injuries sustained in car crashes. Airbags, however, are only added protection when used with seat belts.