> 7.99 million people employed throughout the economy in jobs that relate to trucking activity in 2021
so, about 2.5%
BLS lists ~132MM total 16+ year old workers in the US. Or 117MM working full-time. [2]
So about 1.6% - 1.8% maybe a bit more accurate?
[1] https://www.onetonline.org/link/summary/53-3032.00
[2] https://www.bls.gov/cps/cpsaat08.htm
> 7.99 million people employed throughout the economy in jobs that relate to trucking activity in 2021
so, about 2.5%