The consumption of a number of drugs increased significantly in Canada between 1994 and 2004. The following charts show the extent to which consumption of the main illicit drugs has risen [1].


In Québec, a survey conducted in 2004 on gambling and tobacco, alcohol and drug consumption by high school students provided data on the frequency of cannabis consumption by 5th year high school students:
[1] Canada's Alcohol and Other Drugs Survey (CADS), 1994; Canadian Addiction Survey (CAS), 2004.