Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon
Cameroon: Number of one-year-olds who have not received the inactivated polio vaccine was 258,386 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon, 2015–2023
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 have not received the inactivated polio vaccine in Cameroon stood at 258,386 one-year-olds.
Compared with earlier readings it is down 2.3% on the previous year and down 54.4% over ten years.
Over the whole period, number of one-year-olds who have not received the inactivated polio vaccine in Cameroon peaked at 567,065 one-year-olds in 2015 and was at its lowest, 236,555 one-year-olds, in 2016.
Cameroon ranks 16th of 194 countries on this measure, in the top 10%.
Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 2015 | 567,065 one-year-olds | — |
| 2016 | 236,555 one-year-olds | -58.3% |
| 2017 | 269,359 one-year-olds | +13.9% |
| 2018 | 276,926 one-year-olds | +2.8% |
| 2019 | 290,609 one-year-olds | +4.9% |
| 2020 | 268,133 one-year-olds | -7.7% |
| 2021 | 261,887 one-year-olds | -2.3% |
| 2022 | 264,386 one-year-olds | +1.0% |
| 2023 | 258,386 one-year-olds | -2.3% |
Cameroon compared with similar countries
- Cameroon's 258,386 one-year-olds is above the median for lower middle income countries, which is 44,540 one-year-olds, 5.8× the median. (46 countries reporting)
- Cameroon's 258,386 one-year-olds is above the median for Sub-Saharan Africa, which is 58,553 one-year-olds, 4.4× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 328,103 one-year-olds | 236,555 one-year-olds | 567,065 one-year-olds | 5 |
| 2020s | 263,198 one-year-olds | 258,386 one-year-olds | 268,133 one-year-olds | 4 |
Countries ranked near Cameroon
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)
- 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)
- 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)
Frequently asked questions
- What is number of one-year-olds who have not received the inactivated polio vaccine in Cameroon?
- Number of one-year-olds who have not received the inactivated polio vaccine in Cameroon was 258,386 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 have not received the inactivated polio vaccine recorded in Cameroon?
- The highest recorded value was 567,065 one-year-olds in 2015.
- What is the lowest number of one-year-olds who have not received the inactivated polio vaccine recorded in Cameroon?
- The lowest recorded value was 236,555 one-year-olds in 2016.
- How does Cameroon rank for number of one-year-olds who have not received the inactivated polio vaccine?
- Cameroon ranks 16th out of 194 countries with data for 2023.
- Is number of one-year-olds who have not received the inactivated polio vaccine rising or falling in Cameroon?
- Over the last ten years it is down 54.4%. 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 have not received the inactivated polio vaccine. 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 first dose of the inactivated polio vaccine in a given year.