Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Cameroon
Cameroon: Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae was 222,746 one-year-olds in 2023. ▼ Falling
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Cameroon, 2011–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Cameroon is 222,746 one-year-olds, measured in 2023.
That represents a change of down 15.7% on the previous year and up 20.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Cameroon peaked at 550,501 one-year-olds in 2011 and was at its lowest, 116,367 one-year-olds, in 2012.
Cameroon ranks 21st of 143 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 13 years of available data.
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Cameroon, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 2011 | 550,501 one-year-olds | — |
| 2012 | 116,367 one-year-olds | -78.9% |
| 2013 | 184,777 one-year-olds | +58.8% |
| 2014 | 172,945 one-year-olds | -6.4% |
| 2015 | 176,250 one-year-olds | +1.9% |
| 2016 | 173,474 one-year-olds | -1.6% |
| 2017 | 220,385 one-year-olds | +27.0% |
| 2018 | 268,534 one-year-olds | +21.8% |
| 2019 | 282,061 one-year-olds | +5.0% |
| 2020 | 268,133 one-year-olds | -4.9% |
| 2021 | 261,887 one-year-olds | -2.3% |
| 2022 | 264,386 one-year-olds | +1.0% |
| 2023 | 222,746 one-year-olds | -15.7% |
Cameroon compared with similar countries
- Cameroon's 222,746 one-year-olds is above the median for lower middle income countries, which is 61,795 one-year-olds, 3.6× the median. (39 countries reporting)
- Cameroon's 222,746 one-year-olds is above the median for Sub-Saharan Africa, which is 54,481 one-year-olds, 4.1× the median. (40 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Cameroon 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 |
|---|---|---|---|
| 2012 | -78.9% | 550,501 one-year-olds | 116,367 one-year-olds |
| 2013 | +58.8% | 116,367 one-year-olds | 184,777 one-year-olds |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 238,366 one-year-olds | 116,367 one-year-olds | 550,501 one-year-olds | 9 |
| 2020s | 254,288 one-year-olds | 222,746 one-year-olds | 268,133 one-year-olds | 4 |
Countries ranked near Cameroon
- 18 Madagascar 336,833 one-year-olds compare
- 19 Myanmar 317,245 one-year-olds compare
- 20 Philippines 266,990 one-year-olds compare
- 22 South Africa 203,776 one-year-olds compare
- 23 Germany 201,299 one-year-olds compare
- 24 Cote d'Ivoire 195,057 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)
- 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 are not vaccinated against streptococcus pneumoniae in Cameroon?
- Number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Cameroon was 222,746 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 streptococcus pneumoniae recorded in Cameroon?
- The highest recorded value was 550,501 one-year-olds in 2011.
- What is the lowest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Cameroon?
- The lowest recorded value was 116,367 one-year-olds in 2012.
- How does Cameroon rank for number of one-year-olds who are not vaccinated against streptococcus pneumoniae?
- Cameroon ranks 21st out of 143 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against streptococcus pneumoniae rising or falling in Cameroon?
- Over the last ten years it is up 20.5%. 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 Streptococcus pneumoniae. 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 the pneumococcal conjugate vaccine in a given year.