Share of one-year-olds vaccinated against measles in Sao Tome and Principe
Sao Tome and Principe: Share of one-year-olds vaccinated against measles was 87.0% in 2024. ▲ Rising
Share of one-year-olds vaccinated against measles in Sao Tome and Principe, 1981–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Sao Tome and Principe recorded 87.0% for share of one-year-olds vaccinated against measles in 2024.
The figure is down 5.4% over ten years.
Over the whole period, share of one-year-olds vaccinated against measles in Sao Tome and Principe peaked at 95.0% in 2018 and was at its lowest, 25.0%, in 1981.
That places Sao Tome and Principe 121st out of 194 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently rising across the 44 years of available data.
Share of one-year-olds vaccinated against measles in Sao Tome and Principe, year by year
| Year | % | Change |
|---|---|---|
| 1981 | 25.0% | — |
| 1982 | 32.0% | +28.0% |
| 1983 | 40.0% | +25.0% |
| 1984 | 48.0% | +20.0% |
| 1985 | 35.0% | -27.1% |
| 1986 | 58.0% | +65.7% |
| 1987 | 69.0% | +19.0% |
| 1988 | 69.0% | +0.0% |
| 1989 | 45.0% | -34.8% |
| 1990 | 71.0% | +57.8% |
| 1991 | 77.0% | +8.5% |
| 1992 | 52.0% | -32.5% |
| 1993 | 57.0% | +9.6% |
| 1994 | 65.0% | +14.0% |
| 1995 | 74.0% | +13.8% |
| 1996 | 57.0% | -23.0% |
| 1997 | 60.0% | +5.3% |
| 1998 | 59.0% | -1.7% |
| 1999 | 64.0% | +8.5% |
| 2000 | 69.0% | +7.8% |
| 2001 | 75.0% | +8.7% |
| 2002 | 85.0% | +13.3% |
| 2003 | 87.0% | +2.4% |
| 2004 | 91.0% | +4.6% |
| 2005 | 88.0% | -3.3% |
| 2006 | 85.0% | -3.4% |
| 2007 | 86.0% | +1.2% |
| 2008 | 93.0% | +8.1% |
| 2009 | 90.0% | -3.2% |
| 2010 | 92.0% | +2.2% |
| 2011 | 91.0% | -1.1% |
| 2012 | 92.0% | +1.1% |
| 2013 | 91.0% | -1.1% |
| 2014 | 92.0% | +1.1% |
| 2015 | 93.0% | +1.1% |
| 2016 | 93.0% | +0.0% |
| 2017 | 90.0% | -3.2% |
| 2018 | 95.0% | +5.6% |
| 2019 | 95.0% | +0.0% |
| 2020 | 86.0% | -9.5% |
| 2021 | 77.0% | -10.5% |
| 2022 | 82.0% | +6.5% |
| 2023 | 87.0% | +6.1% |
| 2024 | 87.0% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 46.8% | 25.0% | 69.0% | 9 |
| 1990s | 63.6% | 52.0% | 77.0% | 10 |
| 2000s | 84.9% | 69.0% | 93.0% | 10 |
| 2010s | 92.4% | 90.0% | 95.0% | 10 |
| 2020s | 83.8% | 77.0% | 87.0% | 5 |
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 05-09, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, female, per capita 0.0604 units per person (2025)
- Population ages 05-09, male, annual growth rate 0.1905 % change on previous year (2025)
- Population ages 05-09, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, male, per capita 0.0613 units per person (2025)
- Population ages 10-14, female, annual growth rate 1.24 % change on previous year (2025)
Frequently asked questions
- What is share of one-year-olds vaccinated against measles in Sao Tome and Principe?
- Share of one-year-olds vaccinated against measles in Sao Tome and Principe was 87.0% 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 measles recorded in Sao Tome and Principe?
- The highest recorded value was 95.0% in 2018.
- What is the lowest share of one-year-olds vaccinated against measles recorded in Sao Tome and Principe?
- The lowest recorded value was 25.0% in 1981.
- How does Sao Tome and Principe rank for share of one-year-olds vaccinated against measles?
- Sao Tome and Principe ranks 121st out of 194 countries with data for 2024.
- Is share of one-year-olds vaccinated against measles rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 5.4%. The long-run trend across the full record is rising.
- 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 Share of one-year-olds vaccinated against measles. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the measles vaccine in a given year.