April 20, 2015 12:01 AM EDT

With April 20, the unofficial holiday celebrating marijuana upon us, here’s a look at the drastically changing American legal landscape for pot users. Data provided by the Marijuana Policy Project and the National Conference of State Legislatures shows just how much of the country’s laws have altered since California legalized medical marijuana in 1996.

 

 

 

 

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Write to Noah Rayman at noah.rayman@time.com.

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