Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Sao Tome and Principe
Sao Tome and Principe: Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae was 875.14 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Sao Tome and Principe, 2013–2023
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 Sao Tome and Principe is 875.14 one-year-olds, measured in 2023. That is the highest value across all 11 years on record.
The figure is up 78.8% on the previous year and up 379.2% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Sao Tome and Principe peaked at 875.14 one-year-olds in 2023 and was at its lowest, 181.5 one-year-olds, in 2021.
That places Sao Tome and Principe 123rd out of 143 countries with data for 2023, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Sao Tome and Principe, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 2013 | 182.64 one-year-olds | — |
| 2014 | 318.7 one-year-olds | +74.5% |
| 2015 | 252.52 one-year-olds | -20.8% |
| 2016 | 248.76 one-year-olds | -1.5% |
| 2017 | 304.5 one-year-olds | +22.4% |
| 2018 | 297.95 one-year-olds | -2.2% |
| 2019 | 293.9 one-year-olds | -1.4% |
| 2020 | 238.4 one-year-olds | -18.9% |
| 2021 | 181.5 one-year-olds | -23.9% |
| 2022 | 489.36 one-year-olds | +169.6% |
| 2023 | 875.14 one-year-olds | +78.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 271.28 one-year-olds | 182.64 one-year-olds | 318.7 one-year-olds | 7 |
| 2020s | 446.1 one-year-olds | 181.5 one-year-olds | 875.14 one-year-olds | 4 |
Countries ranked near Sao Tome and Principe
More health data for Sao Tome and Principe
- Un projection of annual infant deaths, annual growth rate -6.25 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.35 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 793.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 15 deaths (2100)
- Population ages 0-14, female, annual growth rate 0.8948 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.1858 units per person (2025)
- Population ages 0-14, male, annual growth rate 1.1 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.1887 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Sao Tome and Principe?
- Number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Sao Tome and Principe was 875.14 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 Sao Tome and Principe?
- The highest recorded value was 875.14 one-year-olds in 2023.
- What is the lowest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Sao Tome and Principe?
- The lowest recorded value was 181.5 one-year-olds in 2021.
- How does Sao Tome and Principe rank for number of one-year-olds who are not vaccinated against streptococcus pneumoniae?
- Sao Tome and Principe ranks 123rd 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 Sao Tome and Principe?
- Over the last ten years it is up 379.2%. The long-run trend across the full record is volatile.
- Where does this Sao Tome and Principe 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.
Download this data
CSV · JSON — 11 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Number of one-year-olds who have not had the third dose of the pneumococcal conjugate vaccine in a given year.