Table 1. Estimated chronic hepatitis B prevalence for the general population and key populations, Canada, 2021.

Population	Population size estimate	Prevalence (%)			Estimated number of people living with CHB			Reference(s)
		Point estimate	Lower bound	Upper bound	Point estimate	Lower bound	Upper bound
General population	38,239,864	0.68%	0.40%	0.97%	262,000	152,000	371,000	((12,14,21–24))
Immigrants from countries where HBV is common (HBsAg ≥2%)	5,599,485	4.2%	1.9%	5.6%	237,000	106,000	312,000	((21,25,26))
GBMSM	669,613	1.4%	0.8%	2.1%	9,310	5,360	14,100	((27,28)) Unpublished data from the Engage cohort study, 2017–2019
People incarcerated in federal prisonsa	12,405	0.28%	0.19%	0.41%	35	24	51	Unpublished data from Correctional Service Canada, 2021 (personal communication, 2024)
People incarcerated in provincial prisonsb	Insufficient information
PWID	Insufficient information
First Nations	Insufficient information
Inuit	Insufficient information
Métis	Insufficient information

Abbreviations: CHB, chronic hepatitis B; HBsAg, hepatitis B surface antigen; HBV, hepatitis B virus; GBMSM, gay, bisexual and other men who have sex with men; PWID, people who inject drugs

^a Who were sentenced for two years or more

^b Who were sentenced for less than two years