The U.S. is home to some of the most populous states with some of America’s strictest laws.
Here are the states with the most likely medical marijuana laws in 2018.
AP photo/Steve Helber Florida, North Dakota, Pennsylvania and West Virginia are the only states that allow marijuana use by medical professionals.
Saskatchewan is the only province in Canada to have its own medical marijuana program, but it still has to wait for legislation from the federal government to be signed into law.
New Hampshire legalized recreational marijuana use in 2018 and Oregon is one of the states that will be among the first to see legal sales starting in 2019.
California, Alaska, Massachusetts, Maine and Rhode Island will also be among those that begin recreational sales in 2019, with Alaska set to become the first state to permit dispensaries by July 2019.
The other nine states and the District of Columbia are expected to legalize recreational use of marijuana by 2020, but some states will need to wait until at least 2024 to start recreational sales.
In the meantime, marijuana will remain illegal under federal law, although states will still be able to regulate it and control it.
The U.K., Australia, France, Canada and New Zealand are among the countries that have yet to decriminalize marijuana, but they are all expected to loosen up some restrictions in the near future.
President Donald Trump is expected to sign a new marijuana legalization bill next month, and the Senate is expected next week to begin debating his version of the legislation.
Meanwhile, a federal judge in Oregon has ruled that the Justice Department can continue to enforce federal marijuana laws despite the fact that voters approved the measures to legalize marijuana last November.