Table 2.

Prevalence of daily cannabis use from the Canadian Cannabis Survey [data available from (42–47)] and the US National Surveys on Drug Use and Health [data available from (5)].

	2017	2018	2019	2020	2021	2022
CCS
Males	19.4 [17.2–21.9]	20.2 [18.2–22.4]	18.6 [16.8–20.6]	21.0 [18.9–23.2]	21.1 [18.9–23.4]	20.8 [18.6–23.2]
Females	16.8 [14.0–20.1]	16.3 [14.1–18.7]	16.1 [14.1–18.3]	13.7 [11.8–15.8]	16.2 [14.2–18.5]	15.6 [13.6–17.8]
NSDUH
Men	2.00 [1.76–2.26]	2.26 [2.06–2.48]	2.52 [2.27–2.80]	2.78 [2.39–3.24]	-	-
Women	1.11 [0.96–1.28]	1.23 [1.07–1.40]	1.50 [1.35–1.67]	1.86 [1.60–2.16]	-	-

Data are presented as percentages [95% CI]. Note that CCS data represent percentage of daily use among respondents reporting past-year use of cannabis, whereas NSDUH data represent percentage daily cannabis use among all respondents.