HIV in Canada: 2021 surveillance highlights

Download in PDF format
(353 KB, 1 page)

Organization: Public Health Agency of Canada

Type: Infographic

Date published: 2021

ISBN: 978-0-660-45705-5

From: Public Health Agency of Canada

  • 1,722 new diagnosed cases of HIV in 2021 (5.2% increase since 2020)
  • National rate of new HIV diagnoses for 2021 - 4.5 per 100,00 population
  • Rate of new HIV diagnoses in males - 6.5 per 100,000 population
  • Rate of new HIV diagnoses in females - 2.5 per 100,000 population

2021 Data notes

  • The COVID-19 pandemic resulted in a decreased demand for, and ability to provide, services related to sexually transmitted and bloodborne infections, including HIV testing.Footnote 1 This may have had an impact on observed new diagnosis rates for HIV in 2021.
  • For most jurisdictions, data for 2021 exclude cases that have been previously diagnosed outside of Canada (e.g. prior to immigration) or in another province/territory.

New diagnosis rate per 100,000 population in 2021

  • National HIV diagnosis rate - 4.5
  • Provincial and territorial HIV diagnosis rates:
    • Territories - 1.6
    • British Columbia - 2.9
    • Alberta - 4.0
    • Saskatchewan - 20.3
    • Manitoba - 10.5
    • Ontario - 3.3
    • Quebec - 5.7Footnote *
    • Atlantic - 1.5

Distribution of new HIV cases, by age group and sex

  • In males:
    • <15 years of age - 0.1%
    • 15-19 years of age - 0.8%
    • 20-29 years of age - 23.4%
    • 30-39 years of age - 30.5%
    • 40-49 years of age - 19.4%
    • ≥50 years of age - 25.8%
  • In females:
    • <15 years of age - 1.1%
    • 15-19 years of age - 3.0%
    • 20-29 years of age - 24.5%
    • 30-39 years of age - 32.6%
    • 40-49 years of age - 18.9%
    • ≥50 years of age - 20.0%

Perinatal HIV in 2021

  • 210 infants exposed to HIV during pregnancy
  • 98.1% of HIV positive mothers received perinatal antiretroviral therapy (ART)
  • 2 infants were infected with HIV; both mothers had no ART
  • Based on sentinel surveillance representing 95% of exposed infants

Data sources

HIV/AIDS Surveillance System (HASS) and Canadian Perinatal HIV Surveillance System (CPHSP)

Footnote 1

Survey of the impact of COVID-19 on the ability to provide STBBI prevention, testing and treatment including harm reduction services in Canada. PHAC. 2021.

Return to footnote referrer1

Footnote 2

QC rate includes some previously diagnosed cases that subsequently tested positive in 2021

Return to footnote referrer*

Report a problem or mistake on this page
Please select all that apply:

Thank you for your help!

You will not receive a reply. For enquiries, contact us.

Date modified: