In a study of the records of more than 100,000 car accidents over a five - year period in Japan, researchers at the University of Tokyo discovered that nearly 80 percent of the deaths of belted front - seat car occupants could have been avoided if rear - seat passengers had used seat belts.
Dalam suatu penelitian atas catatan yang berisi lebih dari 100.000 kecelakaan mobil dalam periode lima tahun di Jepang, para peneliti di University of Tokyo mendapati bahwa hampir 80 persen tewasnya para penumpang di jok depan yang bersabuk pengaman dapat dihindari seandainya para penumpang di jok belakang juga mengenakan sabuk pengaman.