The number of motor vehicle fatalities involving children under age 15 varies widely by state, but occurrences are more common in the South, and are most often associated with improperly or unused restraints and crashes on rural roads,

See the source article by following the link below:
The number of motor vehicle fatalities involving children under age 15 varies widely by state, but occurrences are more common in the South, and are most often associated with improperly or unused restraints and crashes on rural roads,