According to the FBI's Crime Data Explorer, marijuana possession arrests accounted for over 22% of all drug-related arrests in 2024.
Despite legalization in 24 states for recreational cannabis and 40 states for medical cannabis, law enforcement arrested nearly 190,000 people for marijuana possession.
The figure is likely an undercount due to gaps in reporting by some law enforcement agencies.
Author's summary: FBI data shows marijuana arrests remain high despite legalization.