While front-end and rear-end collisions are the most common types of traffic collisions, the passenger side is more likely to be hit in a side-impact collision. When making a left turn at an intersection, the passenger side is exposed to potential impact due to crossing the opposite traffic flow.
The NHTSA says car seats reduce fatalities by 54 percent. But it draws the comparison with children sitting in cars unrestrained and not using a seat belt. A popular argument against using seat belts is that they do not fit kids properly.