Share of one-year-olds vaccinated against Streptococcus pneumoniae in Sierra Leone
Sierra Leone: Share of one-year-olds vaccinated against Streptococcus pneumoniae was 93.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against Streptococcus pneumoniae in Sierra Leone, 2011–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Sierra Leone recorded 93.0% for share of one-year-olds vaccinated against streptococcus pneumoniae in 2024.
That represents a change of up 12.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against streptococcus pneumoniae in Sierra Leone peaked at 94.0% in 2019 and was at its lowest, 75.0%, in 2011.
Sierra Leone ranks 43rd of 146 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 14 years of available data.
Share of one-year-olds vaccinated against Streptococcus pneumoniae in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2011 | 75.0% | — |
| 2012 | 92.0% | +22.7% |
| 2013 | 92.0% | +0.0% |
| 2014 | 83.0% | -9.8% |
| 2015 | 86.0% | +3.6% |
| 2016 | 84.0% | -2.3% |
| 2017 | 90.0% | +7.1% |
| 2018 | 92.0% | +2.2% |
| 2019 | 94.0% | +2.2% |
| 2020 | 91.0% | -3.2% |
| 2021 | 90.0% | -1.1% |
| 2022 | 93.0% | +3.3% |
| 2023 | 93.0% | +0.0% |
| 2024 | 93.0% | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 93.0% is above the median for low income countries, which is 80.0%, 1.2× the median. (20 countries reporting)
- Sierra Leone's 93.0% is above the median for Sub-Saharan Africa, which is 84.0%, 1.1× the median. (40 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 87.6% | 75.0% | 94.0% | 9 |
| 2020s | 92.0% | 90.0% | 93.0% | 5 |
Countries ranked near Sierra Leone
More health data for Sierra Leone
- Un projection of annual infant deaths, annual growth rate -2.34 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.773 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,199 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,209 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 38 (2025)
- Population ages 00-04, female, annual growth rate 0.6447 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0663 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.6611 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against streptococcus pneumoniae in Sierra Leone?
- Share of one-year-olds vaccinated against streptococcus pneumoniae in Sierra Leone was 93.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against streptococcus pneumoniae recorded in Sierra Leone?
- The highest recorded value was 94.0% in 2019.
- What is the lowest share of one-year-olds vaccinated against streptococcus pneumoniae recorded in Sierra Leone?
- The lowest recorded value was 75.0% in 2011.
- How does Sierra Leone rank for share of one-year-olds vaccinated against streptococcus pneumoniae?
- Sierra Leone ranks 43rd out of 146 countries with data for 2024.
- Is share of one-year-olds vaccinated against streptococcus pneumoniae rising or falling in Sierra Leone?
- Over the last ten years it is up 12.0%. The long-run trend across the full record is rising.
- Where does this Sierra Leone 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 Share of one-year-olds vaccinated against Streptococcus pneumoniae. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the third dose of the pneumococcal conjugate vaccine in a given year.