Number of one-year-olds who are not vaccinated against polio in Cameroon
Cameroon: Number of one-year-olds who are not vaccinated against polio was 231,656 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who are not vaccinated against polio in Cameroon, 1981–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
Cameroon recorded 231,656 one-year-olds for number of one-year-olds who are not vaccinated against polio in 2023.
The figure is down 30.8% on the previous year and up 25.4% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against polio in Cameroon peaked at 334,889 one-year-olds in 2022 and was at its lowest, 118,983 one-year-olds, in 2010.
That places Cameroon 25th out of 194 countries with data for 2023, putting it in the top quarter.
The long-run direction has been consistently falling across the 43 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 249,024 one-year-olds | 193,636 one-year-olds | 319,210 one-year-olds | 9 |
| 1990s | 254,163 one-year-olds | 197,941 one-year-olds | 304,145 one-year-olds | 10 |
| 2000s | 160,509 one-year-olds | 119,822 one-year-olds | 226,969 one-year-olds | 10 |
| 2010s | 192,258 one-year-olds | 118,983 one-year-olds | 273,514 one-year-olds | 10 |
| 2020s | 274,121 one-year-olds | 231,656 one-year-olds | 334,889 one-year-olds | 4 |
Countries ranked near Cameroon
More health data for Cameroon
- Estimated changes in temperature-related death rates compared to projected death rates 786.1 deaths per 1,000 people (2090)
- Number of infants who die before age 1 12,841 deaths (2100)
- Deaths in armed conflicts based on where they occurred 4 deaths (2026)
- Deaths in armed conflicts by region 4 deaths (2026)
- Age population, age 25, male, interpolated 244,584 (2025)
- Age population, age 25, female, interpolated 245,558 (2025)
- Age population, age 24, male, interpolated 251,698 (2025)
- Age population, age 24, female, interpolated 252,310 (2025)
- Age population, age 23, male, interpolated 260,306 (2025)
- Age population, age 23, female, interpolated 260,630 (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against polio in Cameroon?
- Number of one-year-olds who are not vaccinated against polio in Cameroon was 231,656 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 polio recorded in Cameroon?
- The highest recorded value was 334,889 one-year-olds in 2022.
- What is the lowest number of one-year-olds who are not vaccinated against polio recorded in Cameroon?
- The lowest recorded value was 118,983 one-year-olds in 2010.
- How does Cameroon rank for number of one-year-olds who are not vaccinated against polio?
- Cameroon ranks 25th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against polio rising or falling in Cameroon?
- Over the last ten years it is up 25.4%. The long-run trend across the full record is falling.
- Where does this Cameroon 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 polio. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.