Share of one-year-olds who are vaccinated against polio in Cameroon
Cameroon: Share of one-year-olds who are vaccinated against polio was 76.0% in 2024. ▲ Rising
Share of one-year-olds who are vaccinated against polio in Cameroon, 1981–2024
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who are vaccinated against polio in Cameroon stood at 76.0%.
The figure is up 2.7% on the previous year and unchanged over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Cameroon peaked at 83.0% in 2010 and was at its lowest, 5.0%, in 1981.
Cameroon ranks 150th of 194 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 44 years of available data.
Share of one-year-olds who are vaccinated against polio in Cameroon, year by year
| Year | % | Change |
|---|---|---|
| 1981 | 5.0% | — |
| 1982 | 15.0% | +200.0% |
| 1983 | 25.0% | +66.7% |
| 1984 | 26.0% | +4.0% |
| 1985 | 35.0% | +34.6% |
| 1986 | 42.0% | +20.0% |
| 1987 | 44.0% | +4.8% |
| 1988 | 51.0% | +15.9% |
| 1989 | 54.0% | +5.9% |
| 1990 | 54.0% | +0.0% |
| 1991 | 46.0% | -14.8% |
| 1992 | 37.0% | -19.6% |
| 1993 | 34.0% | -8.1% |
| 1994 | 42.0% | +23.5% |
| 1995 | 46.0% | +9.5% |
| 1996 | 43.0% | -6.5% |
| 1997 | 47.0% | +9.3% |
| 1998 | 53.0% | +12.8% |
| 1999 | 58.0% | +9.4% |
| 2000 | 57.0% | -1.7% |
| 2001 | 61.0% | +7.0% |
| 2002 | 66.0% | +8.2% |
| 2003 | 72.0% | +9.1% |
| 2004 | 72.0% | +0.0% |
| 2005 | 79.0% | +9.7% |
| 2006 | 78.0% | -1.3% |
| 2007 | 81.0% | +3.8% |
| 2008 | 82.0% | +1.2% |
| 2009 | 79.0% | -3.7% |
| 2010 | 83.0% | +5.1% |
| 2011 | 80.0% | -3.6% |
| 2012 | 78.0% | -2.5% |
| 2013 | 75.0% | -3.8% |
| 2014 | 76.0% | +1.3% |
| 2015 | 75.0% | -1.3% |
| 2016 | 77.0% | +2.7% |
| 2017 | 73.0% | -5.2% |
| 2018 | 68.0% | -6.8% |
| 2019 | 68.0% | +0.0% |
| 2020 | 68.0% | +0.0% |
| 2021 | 71.0% | +4.4% |
| 2022 | 62.0% | -12.7% |
| 2023 | 74.0% | +19.4% |
| 2024 | 76.0% | +2.7% |
Cameroon compared with similar countries
- Cameroon's 76.0% is below the median for lower middle income countries, which is 84.5%, 90% of the median. (46 countries reporting)
- Cameroon's 76.0% is below the median for Sub-Saharan Africa, which is 77.0%, 99% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds who are vaccinated against polio 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 |
|---|---|---|---|
| 1982 | +200.0% | 5.0% | 15.0% |
| 1983 | +66.7% | 15.0% | 25.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 33.0% | 5.0% | 54.0% | 9 |
| 1990s | 46.0% | 34.0% | 58.0% | 10 |
| 2000s | 72.7% | 57.0% | 82.0% | 10 |
| 2010s | 75.3% | 68.0% | 83.0% | 10 |
| 2020s | 70.2% | 62.0% | 76.0% | 5 |
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)
- 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 share of one-year-olds who are vaccinated against polio in Cameroon?
- Share of one-year-olds who are vaccinated against polio in Cameroon was 76.0% in 2024, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who are vaccinated against polio recorded in Cameroon?
- The highest recorded value was 83.0% in 2010.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Cameroon?
- The lowest recorded value was 5.0% in 1981.
- How does Cameroon rank for share of one-year-olds who are vaccinated against polio?
- Cameroon ranks 150th out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Cameroon?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- 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 Share of one-year-olds who are vaccinated against polio. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.