How many people die every month due to not wearing a seat belt?

In 2006, 42,642 people were killed in car accidents. The NHTSA was able to gather seat belt data on 30,251 of the 42,642 car occupants that died in car crashes.

Nearly 56 percent, or 16836 people, of the 30,251 with available restraint information were not wearing seat belts at the time of the fatal auto accident.

In conclusion, there are about 1403 people died every month due to not wearing a set belt in 2006.