1. How many of those are retired?
2. How many of those can pass a criminal background check?
3. How many of those can pass a drug test?
I suspect very few of them are serious candidates for a commercial driving job.
I'm not arguing they are employable, only that Americans as a whole are working at lower rates than in the past several decades. Older citizens may be part of it, also I've read that the amount of drug addicts has increased greatly, taking them out of the workforce also. Also, more "perpetual students" and Social Security disability numbers have increased significantly also - there are many factors