Number of one-year-olds who are not fully vaccinated against in Cameroon
Cameroon: Number of one-year-olds who are not fully vaccinated against was 222,746 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon, 1981–2023
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
Cameroon recorded 222,746 one-year-olds for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in 2023.
The figure is down 12.8% on the previous year and up 25.6% over ten years.
Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon peaked at 319,210 one-year-olds in 1981 and was at its lowest, 106,508 one-year-olds, in 2008.
Cameroon ranks 23rd of 195 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 43 years of available data.
Number of one-year-olds who are not fully vaccinated against in Cameroon, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1981 | 319,210 one-year-olds | — |
| 1982 | 295,844 one-year-olds | -7.3% |
| 1983 | 270,516 one-year-olds | -8.6% |
| 1984 | 268,710 one-year-olds | -0.7% |
| 1985 | 250,492 one-year-olds | -6.8% |
| 1986 | 234,450 one-year-olds | -6.4% |
| 1987 | 222,610 one-year-olds | -5.1% |
| 1988 | 205,177 one-year-olds | -7.8% |
| 1989 | 185,217 one-year-olds | -9.7% |
| 1990 | 223,760 one-year-olds | +20.8% |
| 1991 | 255,288 one-year-olds | +14.1% |
| 1992 | 284,130 one-year-olds | +11.3% |
| 1993 | 290,320 one-year-olds | +2.2% |
| 1994 | 290,973 one-year-olds | +0.2% |
| 1995 | 257,865 one-year-olds | -11.4% |
| 1996 | 261,953 one-year-olds | +1.6% |
| 1997 | 255,790 one-year-olds | -2.4% |
| 1998 | 220,129 one-year-olds | -13.9% |
| 1999 | 210,184 one-year-olds | -4.5% |
| 2000 | 200,577 one-year-olds | -4.6% |
| 2001 | 200,473 one-year-olds | -0.1% |
| 2002 | 188,474 one-year-olds | -6.0% |
| 2003 | 153,885 one-year-olds | -18.4% |
| 2004 | 159,221 one-year-olds | +3.5% |
| 2005 | 122,165 one-year-olds | -23.3% |
| 2006 | 119,901 one-year-olds | -1.9% |
| 2007 | 116,815 one-year-olds | -2.6% |
| 2008 | 106,508 one-year-olds | -8.8% |
| 2009 | 136,574 one-year-olds | +28.2% |
| 2010 | 111,984 one-year-olds | -18.0% |
| 2011 | 135,838 one-year-olds | +21.3% |
| 2012 | 152,732 one-year-olds | +12.4% |
| 2013 | 177,386 one-year-olds | +16.1% |
| 2014 | 180,464 one-year-olds | +1.7% |
| 2015 | 183,913 one-year-olds | +1.9% |
| 2016 | 173,474 one-year-olds | -5.7% |
| 2017 | 212,222 one-year-olds | +22.3% |
| 2018 | 268,534 one-year-olds | +26.5% |
| 2019 | 282,061 one-year-olds | +5.0% |
| 2020 | 276,782 one-year-olds | -1.9% |
| 2021 | 253,158 one-year-olds | -8.5% |
| 2022 | 255,573 one-year-olds | +1.0% |
| 2023 | 222,746 one-year-olds | -12.8% |
Cameroon compared with similar countries
- Cameroon's 222,746 one-year-olds is above the median for lower middle income countries, which is 40,226 one-year-olds, 5.5× the median. (47 countries reporting)
- Cameroon's 222,746 one-year-olds is above the median for Sub-Saharan Africa, which is 52,290 one-year-olds, 4.3× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 250,247 one-year-olds | 185,217 one-year-olds | 319,210 one-year-olds | 9 |
| 1990s | 255,039 one-year-olds | 210,184 one-year-olds | 290,973 one-year-olds | 10 |
| 2000s | 150,459 one-year-olds | 106,508 one-year-olds | 200,577 one-year-olds | 10 |
| 2010s | 187,861 one-year-olds | 111,984 one-year-olds | 282,061 one-year-olds | 10 |
| 2020s | 252,065 one-year-olds | 222,746 one-year-olds | 276,782 one-year-olds | 4 |
Countries ranked near Cameroon
- 20 South Africa 251,724 one-year-olds compare
- 21 Chad 242,358 one-year-olds compare
- 22 United States 223,065 one-year-olds compare
- 24 Somalia 217,474 one-year-olds compare
- 25 Mali 205,677 one-year-olds compare
- 26 Philippines 195,793 one-year-olds compare
More health data for Cameroon
- Un projection of annual infant deaths, annual growth rate -1.28 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.7821 % change on previous year (2090)
- Number of infants who die before age 1 12,841 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 17 (2025)
- Population ages 00-04, female, annual growth rate 1.22 % 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 0.0746 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.21 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.076 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon?
- Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Cameroon was 222,746 one-year-olds in 2023, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Cameroon?
- The highest recorded value was 319,210 one-year-olds in 1981.
- What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Cameroon?
- The lowest recorded value was 106,508 one-year-olds in 2008.
- How does Cameroon rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
- Cameroon ranks 23rd out of 195 countries with data for 2023.
- Is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus rising or falling in Cameroon?
- Over the last ten years it is up 25.6%. The long-run trend across the full record is falling.
- Where does this Cameroon data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not fully 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.