In the U.S., fewer than 10% of people drive without a seat belt. Among passenger-vehicle occupants killed in crashes, roughly what share were unrestrained?

The answer

NHTSA roadside surveys put national seat belt use at about 92% — meaning fewer than 1 in 10 Americans drive unbelted. But among passenger-vehicle occupants killed in crashes, nearly half were unrestrained. A tiny minority of drivers accounts for a wildly disproportionate share of deaths.

Correct answer: About half