Table 1
Prevalence of cannabis use in the past three months, by time relative to legalization and quarter, and selected demographics, household population aged 15 and older, Canada (provinces only), first quarters of 2018 and 2019, and fourth quarter of 2020

Table 1
Prevalence of cannabis use in the past three months, by time relative to legalization and quarter, and selected demographics, household population aged 15 and older, Canada (provinces only), first quarters of 2018 and 2019, and fourth quarter of 2020
Table summary
This table displays the results of Prevalence of cannabis use in the past three months. The information is grouped by Cannabis use (any) in the past three months (appearing as row headers), Before legalization , After legalization , First quarter of 2018, First quarter of 2019 , Fourth quarter of 2020, '000, % and 95% confidence interval (appearing as column headers).
Cannabis use (any) in the past three months	Before legalization				After legalization
	First quarter of 2018				First quarter of 2019				Fourth quarter of 2020
	'000	%	95% confidence interval		'000	%	95% confidence interval		'000	%	95% confidence interval
	'000	%	from	to	'000	%	from	to	'000	%	from	to
Total	4,178.8	14.0^{Table 1 Note ‡}	12.7	15.4	5,306.0	17.5^{Table 1 Note ‡}	16.1	19.0	6,184.3	20.0	18.3	21.8
Gender
Female	1,842.2	12.2^Note *^{Table 1 Note ‡}	10.6	14.1	1,937.7	12.7^Note *^{Table 1 Note ‡}	11.0	14.5	2,876.2	18.4	16.1	21.0
Male^{Table 1 Note †}	2,319.8	15.8^{Table 1 Note ‡}	13.9	17.9	3,321.0	22.3	20.0	24.8	3,210.7	21.1	18.8	23.5
Age group
15 to 17	Note F: too unreliable to be published	Note F: too unreliable to be published	Note ...: not applicable	Note ...: not applicable	Note F: too unreliable to be published	Note F: too unreliable to be published	Note ...: not applicable	Note ...: not applicable	Note F: too unreliable to be published	19.2^{Note E: Use with caution}^Note *	10.0	33.6
18 to 24^{Table 1 Note †}	734.1	28.1	20.7	37.0	958.2	34.8	27.4	43.1	1,042.1	35.6	27.1	45.1
25 to 44	2,252.1	21.4^{Table 1 Note ‡}	19.0	24.1	2,592.1	24.2^Note *^{Table 1 Note ‡}	21.5	27.1	3,232.5	30.3	26.8	34.0
45 and older	1,111.1	7.0^Note *^{Table 1 Note ‡}	6.0	8.2	1,641.9	10.3^Note *	8.9	11.8	1,711.7	10.5^Note *	9.2	11.9
Province
Newfoundland and Labrador	72.3	16.4	12.6	21.1	81.0	18.5	14.6	23.2	84.9	19.5	15.2	24.7
Prince Edward Island	17.4	14.1^{Table 1 Note ‡}	10.3	18.9	19.5	15.4^{Table 1 Note ‡}	11.7	19.9	29.3	22.3	17.9	27.5
Nova Scotia	158.1	20.0^Note *	15.5	25.5	144.3	18.2^{Table 1 Note ‡}	13.9	23.4	223.2	27.3^Note *	22.0	33.3
New Brunswick	88.9	14.3	10.3	19.5	113.9	18.2	14.2	23.1	115.3	18.2	14.0	23.4
Quebec	712.0	10.4^Note *	8.2	13.0	770.5	11.0^Note *	8.8	13.8	748.9	10.6^Note *	8.3	13.4
Ontario	1,583.3	13.5^{Table 1 Note ‡}	11.2	16.3	2,388.9	20.0^Note *	17.2	23.2	2,828.0	23.1^Note *	19.8	26.7
Manitoba	168.5	16.6	13.0	21.0	132.6	13.0^Note *^{Table 1 Note ‡}	9.7	17.2	233.6	22.4	17.9	27.7
Saskatchewan	132.4	15.1	11.8	19.2	138.2	15.7	12.5	19.4	124.3	13.9^Note *	10.2	18.7
Alberta	570.9	16.6	13.2	20.6	749.8	21.5^Note *	17.6	26.0	766.8	21.7	17.5	26.6
British Columbia	675.0	17.1^{Table 1 Note ‡}	13.9	20.9	767.4	19.1^{Table 1 Note ‡}	15.6	23.1	1,030.2	24.8^Note *	20.9	29.1
Daily or almost daily use in the past three months
Total	1,620.0	5.4^{Table 1 Note ‡}	4.6	6.3	1,838.1	6.1^{Table 1 Note ‡}	5.2	7.1	2,446.9	7.9	6.8	9.2
Gender
Female	703.5	4.7^{Table 1 Note ‡}	3.6	6.0	694.9	4.5^Note *^{Table 1 Note ‡}	3.6	5.8	1,152.6	7.4	5.9	9.2
Male^{Table 1 Note †}	900.5	6.1	5.0	7.5	1,136.7	7.6	6.2	9.3	1,227.0	8.1	6.5	10.0
Age group
15 to 17	Note F: too unreliable to be published	Note F: too unreliable to be published	Note ...: not applicable	Note ...: not applicable	Note F: too unreliable to be published	Note F: too unreliable to be published	Note ...: not applicable	Note ...: not applicable	Note F: too unreliable to be published	Note F: too unreliable to be published	Note ...: not applicable	Note ...: not applicable
18 to 24^{Table 1 Note †}	257.1	9.9^{Note E: Use with caution}	6.0	15.8	343.2	12.5^{Note E: Use with caution}	8.1	18.7	477.7^{Note E: Use with caution}	16.3^{Note E: Use with caution}	10.6	24.3
25 to 44	795.8	7.6^{Table 1 Note ‡}	6.1	9.4	882.1	8.2	6.6	10.3	1,153.8	10.8	8.5	13.6
45 and older	555.9	3.5^Note *	2.8	4.4	599.1	3.8^Note *	3.0	4.7	747.4	4.6^Note *	3.8	5.5
Province
Newfoundland and Labrador	32.4^{Note E: Use with caution}	7.4^{Note E: Use with caution}	4.9	10.9	25.8^{Note E: Use with caution}	5.9^{Note E: Use with caution}	3.7	9.3	32.3^{Note E: Use with caution}	7.4^{Note E: Use with caution}	4.7	11.6
Prince Edward Island	7.8^{Note E: Use with caution}	6.3^{Note E: Use with caution}	3.9	10.0	6.9^{Note E: Use with caution}	5.4^{Note E: Use with caution}	3.4	8.6	10.9^{Note E: Use with caution}	8.3^{Note E: Use with caution}	5.6	12.0
Nova Scotia	57.4^{Note E: Use with caution}	7.3^{Note E: Use with caution}	4.8	10.8	53.2^{Note E: Use with caution}	6.7^{Note E: Use with caution}^{Table 1 Note ‡}	4.7	9.5	101.1^{Note E: Use with caution}	12.4^{Note E: Use with caution}^Note *	8.8	17.1
New Brunswick	28.4^{Note E: Use with caution}	4.6^{Note E: Use with caution}	2.5	8.3	48.3^{Note E: Use with caution}	7.7^{Note E: Use with caution}	5.2	11.3	55.3^{Note E: Use with caution}	8.7^{Note E: Use with caution}	5.6	13.4
Quebec	258.2^{Note E: Use with caution}	3.8^{Note E: Use with caution}^Note *	2.3	6.0	237.5^{Note E: Use with caution}	3.4^{Note E: Use with caution}^Note *	2.3	5.1	179.2^{Note E: Use with caution}	2.5^{Note E: Use with caution}^Note *	1.5	4.2
Ontario	576.1	4.9^{Table 1 Note ‡}	3.6	6.6	766.3	6.4	4.8	8.6	1,136.1	9.3	7.0	12.1
Manitoba	69.6^{Note E: Use with caution}	6.9^{Note E: Use with caution}	4.6	10.1	41.6^{Note E: Use with caution}	4.1^{Note E: Use with caution}^{Table 1 Note ‡}	2.5	6.5	100.1^{Note E: Use with caution}	9.6^{Note E: Use with caution}	6.6	13.8
Saskatchewan	56.4^{Note E: Use with caution}	6.4^{Note E: Use with caution}	4.4	9.4	64.4^{Note E: Use with caution}	7.3^{Note E: Use with caution}	5.1	10.4	42.1^{Note E: Use with caution}	4.7^{Note E: Use with caution}^Note *	2.7	8.0
Alberta	320.6	9.3^Note *	6.9	12.5	255.9^{Note E: Use with caution}	7.3^{Note E: Use with caution}	5.1	10.5	324.4^{Note E: Use with caution}	9.2^{Note E: Use with caution}	6.5	12.9
British Columbia	213.0^{Note E: Use with caution}	5.4^{Note E: Use with caution}^{Table 1 Note ‡}	3.7	7.8	338.1	8.4	6.1	11.5	465.3	11.2^Note *	8.3	14.8
... not applicable ^E use with caution F too unreliable to be published Note * significantly different from reference category or rest of Canada for provincial comparisons (e.g., Ontario compared against other nine provinces combined) (p < 0.05) Return to note * referrer Note † reference category Return to note † referrer Note ‡ significantlydifferent from corresponding estimate for the fourth quarter of 2020 (after legalization) (p < 0.05) Return to note ‡ referrer Source: National Cannabis Survey, first quarter of 2018, first quarter of 2019 and fourth quarter of 2020.

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Table 1
Prevalence of cannabis use in the past three months, by time relative to legalization and quarter, and selected demographics, household population aged 15 and older, Canada (provinces only), first quarters of 2018 and 2019, and fourth quarter of 2020

Table 1 Prevalence of cannabis use in the past three months, by time relative to legalization and quarter, and selected demographics, household population aged 15 and older, Canada (provinces only), first quarters of 2018 and 2019, and fourth quarter of 2020

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Table 1
Prevalence of cannabis use in the past three months, by time relative to legalization and quarter, and selected demographics, household population aged 15 and older, Canada (provinces only), first quarters of 2018 and 2019, and fourth quarter of 2020