The Facts

Pot by Numbers

THC % By Decade - Quantity of THC in weed (seizure data)

201828%
2010s14.3%
2000s8%
1990s4.3%
19803.3%
19701.5%

Age at first use

The median age of starting cannabis use was 17 years old for both males and females in 2015 survey.

Canadian Cannabis Use Statistics

12%
cannabis use

Overall prevalence:

In 2015, the prevalence of past-year cannabis use was 12% for all age groups

21%
youth age 15 to 19

Youth 15-19 = 21%

30%
young adults aged 20

Young adults aged 20 to 24 = 30%

10%
adults aged 25 or higher

Adults aged 25 or older = 10%