Prevalence is age standardized.
Adapted from the Canadian Chronic Disease Surveillance System (CCDSS). This does not constitute an endorsement by the Government of Canada of this product.
* Data not submitted.
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Asthma prevalence in Canada in 2022-2023, by province and territory
In the fiscal year 2022-2023, almost 12 percent of people in Canada suffered from asthma. At that time, the prevalence of asthma was highest in Ontario. This statistic illustrates the prevalence of asthma among people in Canada in 2022-2023, by province and territory.
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Government of Canada, & Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)). (October 15, 2024). Prevalence of asthma among Canadians in 2022-2023, by province and territory [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 20, 2026, from /statistics/881468/asthma-prevalence-canada-by-province/
Government of Canada, und Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)). "Prevalence of asthma among Canadians in 2022-2023, by province and territory." Chart. October 15, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 20, 2026. /statistics/881468/asthma-prevalence-canada-by-province/
Government of Canada, Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)). (2024). Prevalence of asthma among Canadians in 2022-2023, by province and territory. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 20, 2026. /statistics/881468/asthma-prevalence-canada-by-province/
Government of Canada, and Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)). "Prevalence of Asthma among Canadians in 2022-2023, by Province and Territory." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 15 Oct 2024, /statistics/881468/asthma-prevalence-canada-by-province/
Government of Canada & Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)), Prevalence of asthma among Canadians in 2022-2023, by province and territory ÌÇÐÄÆƽâ°æ, /statistics/881468/asthma-prevalence-canada-by-province/ (last visited July 20, 2026)
Prevalence of asthma among Canadians in 2022-2023, by province and territory [Graph], Government of Canada, & Public Health Agency of Canada (Canadian Chronic Disease Surveillance System (CCDSS)), October 15, 2024. [Online]. Available: /statistics/881468/asthma-prevalence-canada-by-province/
