|Another calculation, this
one by California DMV. The expected rate of collision involvement
within every age group is 1.0. So any
group above 1.0 is over-represented, and below 1.0 under-represented. Look at the very young. Over-represented considerably. Look at older drivers. Even up to
age 79, they are under-represented.
Only at age 80 and above do senior drivers become over-represented in