Quebec Cannabis Survey (QCS)

The QCS 2024 is currently in collection. You have been invited to participate? Learn more about participating in the study.

Type of survey

Cross-sectional survey with provincial representativeness.

Targeted population

Persons aged 15 and over living in Québec.

Persons residing in the regions of Terres-Cries-de-la-Baie-James and Nunavik and those living on a reserve (for QCS 2018 and QCS 2019) or in an institutional collective household are not covered by the survey.

Respondents

2018: 10,191 individuals

2019: 10,192 individuals

2021: 14,034 individuals

2022 : 12,395 individuals

2023 : 13,209 individuals

Sampling frame

The sampling frame was constructed from the insured persons registration file of the Régie de l’assurance maladie du Québec.

Themes

Prevalence and frequency of cannabis use, forms and methods of use, reasons for using cannabis and context of cannabis use, sources of supply, risk of problematic use, social norms and perceptions regarding cannabis, driving after cannabis use, cannabis use during the COVID-19 pandemic.

Technical and methodological documentation

Methodological or technical documents 2018

Methodological or technical documents 2019

Methodological or technical documents 2021

Methodological or technical documents 2022

Methodological or technical documents 2023

See also

Microdata files available at the Centre d’accès aux données de recherche de l’Institut de la statistique du Québec (CADRISQ).

Analytical products and data

April 11, 2024

Québec Cannabis Survey 2023

The proportion of people who used cannabis in the previous year decreased from 19% in 2022 to 17% in 2023.

Analysis document, highlights, news release, technical or methodological document

April 12, 2023

Québec Cannabis Survey 2022

In 2022, nearly 1 out of 5 Quebecers (19%) used cannabis during the year—23% of men and 16% of women.

Analysis document, collection of tables, highlights, news release, technical or methodological document

April 14, 2022

Québec Cannabis Survey 2021

The proportion of cannabis users aged 15 and over increased from 14% to nearly 20% between 2018 and 2021 in Québec. This increase was observed in all age groups 25 years and over. However, the proportion of users declined among 15- to 17-year-olds.

Analysis document, highlights, infographic, news release, technical or methodological document

March 11, 2020

Québec Cannabis Survey, 2019

Analyzis of various indicators regarding the prevalence of cannabis use, the types of products used, supply sources, and driving motor vehicles after cannabis use. Quebecers’ perceptions of cannabis use are also described.

Analysis document, infographic, technical or methodological document

March 12, 2019

Québec Cannabis Survey, 2018

This report analyzes various indicators regarding the prevalence and frequency of cannabis use, the reasons given by Quebecers for using cannabis, and the context in which they use it.