Estimated Prevalence of Use of Selected Drugs in Canada
Figures in Percent
Source: CAS CADUMS
Year 2004 2006 2009 2010 2011 2012
Cannabis Use
Cannabis - Lifetime Use 44.5 43.9 42.4 41.5 39.4 41.5
Cannabis - Past-Year Use 14.1 11.4 10.6 10.7 9.1 10.2
Other Illicit Drug Use In Past Year, By Type
Cocaine/Crack 1.9 1.6 1.2Q 0.7 0.9Q 1.1Q
Speed 0.8 1.1Q 0.4Q 0.5Q 0.5Q S
Hallucinogens (excluding salvia) 0.7 N/A 0.7Q 0.9 0.6Q 0.9Q
Hallucinogens (including salvia) -- -- 0.9Q 1.1 0.9Q 1.1Q
Ecstasy 1.1 1.4 0.9Q 0.7 0.7Q 0.6Q
Methamphetamine/Crystal Meth 0.2 S S S S S
Alcohol Use
Lifetime Use 92.8 90.1 88.6 88.9 89.7 91.0
Past Year Use 79.3 77.3 76.5 77.0 78.0 78.4

Q: Estimate qualified due to high sampling variability; interpret with caution
S: Estimate suppressed due to high sampling variability

CAS: Canadian Addiction Survey
CADUMS: Canadian Alcohol and Drug Use Monitoring Survey