Worldwide it was estimated that 1.25 million people were killed and many millions more were injured in motor vehicle collisions in 2013.[2] This makes motor vehicle collisions the leading cause of death among young adults of 15–29 years of age (360,000 die a year) and the ninth cause of death for all ages worldwide.[3] In the United States, 32,675 people died and 2.3 million were injured in crashes in 2014,[4] and around 2,000 kids under 16 years old die every year.[5] It is estimated that motor vehicle collisions caused the deaths of around 60 million people during the 20th century,[6] around the same as the number of World War II casualties.