Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada
Canada: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus was 29,756 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada, 1987–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
In 2023, number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada stood at 29,756 one-year-olds.
The figure is down 0.4% on the previous year and down 13.8% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada peaked at 55,834 one-year-olds in 1987 and was at its lowest, 17,394 one-year-olds, in 2006.
Canada ranks 70th of 194 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 37 years of available data.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1987 | 55,834 one-year-olds | — |
| 1988 | 52,286 one-year-olds | -6.4% |
| 1989 | 48,981 one-year-olds | -6.3% |
| 1990 | 46,724 one-year-olds | -4.6% |
| 1991 | 48,569 one-year-olds | +3.9% |
| 1992 | 45,159 one-year-olds | -7.0% |
| 1993 | 40,640 one-year-olds | -10.0% |
| 1994 | 27,870 one-year-olds | -31.4% |
| 1995 | 50,904 one-year-olds | +82.6% |
| 1996 | 38,801 one-year-olds | -23.8% |
| 1997 | 53,231 one-year-olds | +37.2% |
| 1998 | 36,580 one-year-olds | -31.3% |
| 1999 | 35,356 one-year-olds | -3.3% |
| 2000 | 38,324 one-year-olds | +8.4% |
| 2001 | 37,915 one-year-olds | -1.1% |
| 2002 | 40,646 one-year-olds | +7.2% |
| 2003 | 30,243 one-year-olds | -25.6% |
| 2004 | 30,547 one-year-olds | +1.0% |
| 2005 | 24,114 one-year-olds | -21.1% |
| 2006 | 17,394 one-year-olds | -27.9% |
| 2007 | 21,233 one-year-olds | +22.1% |
| 2008 | 29,252 one-year-olds | +37.8% |
| 2009 | 33,905 one-year-olds | +15.9% |
| 2010 | 41,999 one-year-olds | +23.9% |
| 2011 | 49,718 one-year-olds | +18.4% |
| 2012 | 34,419 one-year-olds | -30.8% |
| 2013 | 34,531 one-year-olds | +0.3% |
| 2014 | 34,668 one-year-olds | +0.4% |
| 2015 | 34,767 one-year-olds | +0.3% |
| 2016 | 34,892 one-year-olds | +0.4% |
| 2017 | 34,885 one-year-olds | -0.0% |
| 2018 | 34,659 one-year-olds | -0.6% |
| 2019 | 34,342 one-year-olds | -0.9% |
| 2020 | 30,191 one-year-olds | -12.1% |
| 2021 | 29,790 one-year-olds | -1.3% |
| 2022 | 29,889 one-year-olds | +0.3% |
| 2023 | 29,756 one-year-olds | -0.4% |
Canada compared with similar countries
- Canada's 29,756 one-year-olds is above the median for high income countries, which is 2,216 one-year-olds, 13.4× the median. (63 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1995 | +82.6% | 27,870 one-year-olds | 50,904 one-year-olds |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 52,367 one-year-olds | 48,981 one-year-olds | 55,834 one-year-olds | 3 |
| 1990s | 42,383 one-year-olds | 27,870 one-year-olds | 53,231 one-year-olds | 10 |
| 2000s | 30,358 one-year-olds | 17,394 one-year-olds | 40,646 one-year-olds | 10 |
| 2010s | 36,888 one-year-olds | 34,342 one-year-olds | 49,718 one-year-olds | 10 |
| 2020s | 29,907 one-year-olds | 29,756 one-year-olds | 30,191 one-year-olds | 4 |
Countries ranked near Canada
More health data for Canada
- Un projection of annual infant deaths, annual growth rate -1.79 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.3588 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,083 deaths per 1,000 people (2090)
- Number of infants who die before age 1 385 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 0.5214 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.023 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.5024 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada?
- Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus in Canada was 29,756 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus recorded in Canada?
- The highest recorded value was 55,834 one-year-olds in 1987.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus recorded in Canada?
- The lowest recorded value was 17,394 one-year-olds in 2006.
- How does Canada rank for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Canada ranks 70th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus rising or falling in Canada?
- Over the last ten years it is down 13.8%. The long-run trend across the full record is falling.
- Where does this Canada data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.