"MI is going to demonstrate that regulating marijuana works, and it will set a strong example for other states in the region and around the country".
Before Tuesday's vote, 22 American states had adopted comprehensive medical marijuana programs.
It will come with a 10% tax, and will only be available to people ages 21 and older.
With Michigan voting to legalize adult use, neighbors like OH and IL could soon follow suit to help build a market in that region.
The primary opposition group to Michigan's ballot initiative on whether to legalize recreational marijuana has conceded defeat. Utah voters also were considering whether to allow medical marijuana and to join the 31 other states that have already done so. The proposal also legalized commercial sales of marijuana through state-licensed retailers subject to a 10 percent tax. Two of the states were voting on the recreational ledgers: North Dakota and the state of MI to varying results, the Midwestern State proving more conducive to progressive change.
Create a state licensing system for marijuana businesses and allow municipalities to ban or restrict them.
Four states are set to vote Tuesday on whether to legalize marijuana for recreational or medicinal purposes amid growing support for the cannabis industry's entrance into mainstream society.
Investors say that they are watching Canada, where the legal recreational use of marijuana went into effect in October, as a testing ground for retailers and companies before US legalization.
In Michigan, voters will decide whether to approve - for adults aged 21 and older - recreational use and legalize the possession and sale of up to 2.5 ounces of pot.
MI residents over 21 years old will soon be able to buy, possess, use, and grow marijuana.
Adult recreational users of weed will be able to use it legally in another state.
Kristin Schrader, 51, a Democrat from Superior Township in Washtenaw County, said she voted to legalize marijuana because she doesn't want people leaving MI to get it.
Both Missouri and Utah were won handily by President Donald Trump in the 2016 general election, but Cowen analyst Vivien Azer says that support for marijuana is becoming more bipartisan.
Amendment 2 was passed with a margin of 66 percent to 34 percent. The constitutional amendment will allow patients with cancer, HIV, epilepsy and other conditions access to the drug. If the bill passes, Mexico will become one of the world's most populous countries to legalize marijuana alongside Canada, who opened its doors for business on October 17, 2018.