Here's one link, which has 14% of all US prisoners as being drug offenders. Not just marijuana, so that's an upper bound: https://fivethirtyeight.com/features/

Here's one link, which has 14% of all US prisoners as being drug offenders. Not just marijuana, so that's an upper bound: https://fivethirtyeight.com/features/releasing-drug-offenders-wont-end-mass-incarceration/ https://fivethirtyeight.com/features/releasing-drug-offender...