Election Day could be a watershed moment for marijuana.
Marijuana legalization will appear on the ballot in five states: California, Nevada, Arizona, Maine, and Massachusetts. And, another four states — Montana, North Dakota, Florida, and Arkansas — will be voting on medical marijuana.
If all five votes pass, that means that nearly a quarter of all Americans will live in states where weed is legal. It may well be a tipping point for the federal government's stance on the issue.
See below for a breakdown where each state stands:
This post will be updated.
SEE ALSO: Here's where Donald Trump and Hillary Clinton stand on marijuana legalization
California — Passed
Californians passed Proposition 64. It's the most pivotal of all the marijuana initiatives on the ballot
California is the world's sixth largest economy — in terms of GDP — and now has a legal marijuana industry.
Prop 64 would allow all Californians over the age of 21 to use and posses marijuana legally, as well as grow up to six plants at home. The measure would also create two taxes, one for cultivation, and one for retail. Businesses would need a state license to sell marijuana.
The ballot has been endorsed by a wide range of people, including Peter Thiel, a prominent Trump backer, and Nancy Pelosi, the Democratic House minority leader and the representative for California's 12th district.
Maine — Likely
Mainers will vote on Question 1 on Election Day. If passed, Question 1 would legalize, regulate, and tax marijuana as an agricultural product. Adults over the age of 21 would also be able to grow up to six plants at home. The ballot measure would also set up a licensing system for retail marijuana stores, and marijuana social clubs.
Though Maine's Republican governor, Paul LePage, doesn't support the initiative, a poll conducted in March showed that 54% of Mainers support legalizing weed.
Massachusetts — Passed
Massachusetts residents voted "yes" on Question 4. This ballot created a commission to regulate marijuana for retail sale for those over 21 in the state. Legalization will take effect on December 15, 2016.
The state would also levy new taxes on retail marijuana. Adult residents would also be permitted to grow plants in their home.
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