Chlamydia, gonorrhea and infectious syphilis in Canada, 2019 (infographic)
Organization: Public Health Agency of Canada
Date published: 2022-02-14
The Public Health Agency of Canada collects information on reported cases of sexually transmitted infections (STI) such as chlamydia, gonorrhea and infectious syphilis through the Canadian Notifiable Diseases Surveillance System (CNDSS).
Chlamydia, gonorrhea and infectious syphilisFootnote *
From 2015 to 2019 Footnote †, chlamydia continued to be the most commonly reported STI, however infectious syphilis rates increased the most.
|Infectious syphilis||9,245 cases|
In 2019, 74% of chlamydia cases, 51% of gonorrhea cases and 39% of infectious syphilis cases were among people less than 30 years of age.
|Age group (years)||Chlamydia||Gonorrhea||Infectious syphilis|
Rates per 100,000 population by province or territory
Cases in 2019, by sex:
Percent change in rates from 2015 to 2019, by sex
From 2015 to 2019, chlamydia and gonorrhea rates increased more in males. Infectious syphilis rates increased more in females.
|Male||↑ 25%||↑ 77%||↑ 109%|
|Female||↑ 7%||↑ 58%||↑ 1218%|
Have the conversation with your clients
- Offer appropriate STI screening, testing, and treatment
- Provide client-centered counselling to clients and their partners
- Empower clients to recognize and minimize STI risk
For more information, visit Sexual health
Data source: Public Health Agency of Canada, “Notifiable Disease Online,” 2021 [Online]. Available at : https://diseases.canada.ca/notifiable
- Footnote *
Infectious syphilis includes the primary, secondary and early latent (less than one year after infection) stages of infection
- Footnote †
Includes reported cases, by reporting year
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