Marijuana Use in Colorado by Age According to SAMHSA
Marijuana Use in the Past Year Marijuana Use in the Past Month
Survey Year 2008-2009 2014-2015 2015-2016 2008-2009 2014-2015 2015-2016
Ages
All Ages 12 and Older 15.12% 23.09% 23.12% 9.77% 16.57% 15.92%
12-17 18.55% 18.35% 16.21% 10.17% 11.13% 9.08%
18-25 38.59% 45.24% 47.54% 24.18% 31.75% 32.20%
26 and Older 10.79% 19.91% 19.85% 7.31% 14.65% 14.00%