“With New York’s law, 15 states and Washington, DC, have now legalized marijuana for recreational purposes, although DC doesn’t allow recreational sales. (South Dakota voters approved a ballot initiative to legalize cannabis in November, but that measure’s future is uncertain as it’s caught up in legal battles.)”
https://www.vox.com/2021/3/31/22350330/new-york-marijuana-legalization-bill-law-andrew-cuomo