Canadians reporting asthma diagnosis number 2003-2020

In 2020, around 2.8 million Canadians reported that they had been diagnosed by a health professional as having asthma. This statistic displays the estimated number of Canadians aged 12 years and over who reported being diagnosed with asthma from 2003 to 2020.

Number of Canadians who reported being diagnosed with asthma from 2003 to 2020

Characteristic	Number of persons aged 12 years and older
2020	2,802,700
2019	2,493,300
2018	2,591,800
2017	2,428,600
2016	2,570,000
2015	2,597,100
2014	2,448,817
2013	2,363,010
2012	2,385,833
2011	2,511,890
2010	2,446,467
2009	2,308,941
2008	2,362,902
2007	2,240,420
2005	2,249,703
2003	2,226,710

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Release date

August 2022

More information

Region

Canada

Survey time period

2003 to 2020

Number of respondents

65,000 respondents

Age group

12 years and older

Supplementary notes

All figures are annual estimates.
Since 2007, data for the Canadian Community Health Survey (CCHS) are collected yearly instead of every two years. While a sample of approximately 130,000 respondents were interviewed during the reference periods of 2003 and 2005, it has been changed to 65,000 respondents each year starting in 2007.
Figures from 2003 to 2014 were taken from an archived page from the same source and can be accessed here.
As a result of the 2015 redesign, Canadian Community Health Survey (CCHS) has a new collection strategy, a new sample design, and has undergone major content revisions. With all these factors taken together, caution should be taken when comparing data from previous cycles to data released for the 2015 cycle onwards. Adapted from Statistics Canada, statcan.gc.ca, 2003 to 2020. This does not constitute an endorsement by Statistics Canada of this product.

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