So far, 19 states have fully legalized the substance, along with another 25 states that allow for some form of medical use and, in some cases, have decriminalized nonmedical use. In total, only four states deem cannabis fully illegal — not even permitting nonpsychoactive CBD use.
Which is why activists and lawmakers are pushing for cannabis legislation to include the retroactive expungement of criminal records. Depending on the state, people can petition courts to diminish certain charges or wipe them from their records entirely. In other cases, records can be sealed from the public. Scroll further to see which states offer expungement and how it all works.
(This list was put together based on data from the Collateral Consequences Resource Center.)