Voters in Oregon , Alaska and Washington , D.C. approved marijuana legalization on Tuesday . The Oregon and Alaska measures legalizes personal possession , manufacture and sale of marijuana for people 21 years of age and older . Florida voters rejected a proposal on medical marijuana in November , according to a CNN poll . In 2013 , according to Gallup , more Americans supported legalization than those who opposed it . Because the measure was a constitutional amendment , it needed 60 % approval .
Voters in Oregon , Alaska and Washington , D.C. approved marijuana legalization on Tuesday . The Oregon and Alaska measures legalizes personal possession , manufacture and sale of marijuana for people 21 years of age and older . Florida voters rejected a proposal on medical marijuana in November , according to a CNN poll . Because the measure was a constitutional amendment , it needed 60 % approval .