Very Few Canadians Engage in Problematic Cannabis Use, Study Finds

OTTAWA, ON — Only a small percentage of Canadians who consume cannabis do so in a manner that meets criteria for problematic use, according to data published in the Canadian Journal of Public Health.

Researchers from the University of Waterloo estimated the prevalence of problematic cannabis use in a nationwide Canadian sample.



Authors reported that although the use of cannabis by Canadians was fairly common, few respondents reported that their use was associated with problematic outcomes.

They determined:


“The findings indicate that, while one in ten Canadians reported using cannabis in the past three months, only two percent of the sample of Canadians who reported using cannabis in the past three months were characterized as having a ‘high risk’ of severe health or other problems.”

They concluded:

“A very small proportion of Canadians report using cannabis to a degree that is problematic.”


Full text of the study, “Prevalence of problematic cannabis use in Canada: Cross-sectional findings from the 2013 Canadian tobacco, alcohol, and drugs survey,” appears in the Canadian Journal of Public Health.

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