Change of teenage marijuana use in U.S. states with medical marijuana laws according to surveys between 1995 and 2015

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State (Date medical marijuana was legalized)Most recent use ratesPre-law current use rates
Alaska (1998)20%29%
Arizona (2010)24%24%
California (1996)24%26%
Colorado (2000)11%10%
Connecticut (2012)26%24%
Delaware (2011)26%26%
Hawaii (2000)19%25%
Maine (1999)21%30%
Massachusetts (2012)25%28%
Michigan (2008)18%18%
Montana (2004)21%23%
Nevada (2000)19%26%
New Jersey (2010)21%20%
New Mexico (2007)28%26%
Oregon (1998)21%21%
Rhode Island (2006)24%25%
Vermont (2004)26%28%
Washington (1998)27%29%
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About This Statistic

This graph shows the change of teenage marijuana use in U.S. states with medical marijuana laws according to surveys between 1995 and 2015. It was found that in 13 states with medical marijuana laws there were overall decreases in teenage marijuana use. There were five states that reported higher teenage marijuana use after medical marijuana laws were passed, but none of these were statistically significant changes.

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