Share of one-year-olds who are vaccinated against polio in El Salvador
El Salvador: Share of one-year-olds who are vaccinated against polio was 95.0% in 2024. ▲ Rising
Share of one-year-olds who are vaccinated against polio in El Salvador, 1980–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
El Salvador recorded 95.0% for share of one-year-olds who are vaccinated against polio in 2024.
That represents a change of down 1.0% on the previous year and up 1.1% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in El Salvador peaked at 99.0% in 1998 and was at its lowest, 20.0%, in 1983.
That places El Salvador 55th 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 45 years of available data.
Share of one-year-olds who are vaccinated against polio in El Salvador, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 42.0% | — |
| 1981 | 38.0% | -9.5% |
| 1982 | 42.0% | +10.5% |
| 1983 | 20.0% | -52.4% |
| 1984 | 30.0% | +50.0% |
| 1985 | 54.0% | +80.0% |
| 1986 | 51.0% | -5.6% |
| 1987 | 57.0% | +11.8% |
| 1988 | 63.0% | +10.5% |
| 1989 | 64.0% | +1.6% |
| 1990 | 80.0% | +25.0% |
| 1991 | 61.0% | -23.8% |
| 1992 | 61.0% | +0.0% |
| 1993 | 79.0% | +29.5% |
| 1994 | 89.0% | +12.7% |
| 1995 | 94.0% | +5.6% |
| 1996 | 94.0% | +0.0% |
| 1997 | 97.0% | +3.2% |
| 1998 | 99.0% | +2.1% |
| 1999 | 92.0% | -7.1% |
| 2000 | 98.0% | +6.5% |
| 2001 | 94.0% | -4.1% |
| 2002 | 81.0% | -13.8% |
| 2003 | 93.0% | +14.8% |
| 2004 | 90.0% | -3.2% |
| 2005 | 89.0% | -1.1% |
| 2006 | 96.0% | +7.9% |
| 2007 | 99.0% | +3.1% |
| 2008 | 98.0% | -1.0% |
| 2009 | 91.0% | -7.1% |
| 2010 | 89.0% | -2.2% |
| 2011 | 90.0% | +1.1% |
| 2012 | 93.0% | +3.3% |
| 2013 | 90.0% | -3.2% |
| 2014 | 94.0% | +4.4% |
| 2015 | 94.0% | +0.0% |
| 2016 | 98.0% | +4.3% |
| 2017 | 83.0% | -15.3% |
| 2018 | 89.0% | +7.2% |
| 2019 | 97.0% | +9.0% |
| 2020 | 85.0% | -12.4% |
| 2021 | 96.0% | +12.9% |
| 2022 | 93.0% | -3.1% |
| 2023 | 96.0% | +3.2% |
| 2024 | 95.0% | -1.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 46.1% | 20.0% | 64.0% | 10 |
| 1990s | 84.6% | 61.0% | 99.0% | 10 |
| 2000s | 92.9% | 81.0% | 99.0% | 10 |
| 2010s | 91.7% | 83.0% | 98.0% | 10 |
| 2020s | 93.0% | 85.0% | 96.0% | 5 |
Countries ranked near El Salvador
More health data for El Salvador
- Un projection of annual infant deaths, annual growth rate -1.89 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.4574 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,537 deaths per 1,000 people (2090)
- Number of infants who die before age 1 104 deaths (2100)
- Population ages 65-69, male, annual growth rate 1.91 % change on previous year (2025)
- Population ages 65-69, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 65-69, male, per capita 0.0114 units per person (2025)
- Population ages 70-74, female, annual growth rate 2.27 % change on previous year (2025)
- Population ages 70-74, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 70-74, female, per capita 0.0135 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in El Salvador?
- Share of one-year-olds who are vaccinated against polio in El Salvador was 95.0% 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 who are vaccinated against polio recorded in El Salvador?
- The highest recorded value was 99.0% in 1998.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in El Salvador?
- The lowest recorded value was 20.0% in 1983.
- How does El Salvador rank for share of one-year-olds who are vaccinated against polio?
- El Salvador ranks 55th out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in El Salvador?
- Over the last ten years it is up 1.1%. The long-run trend across the full record is rising.
- Where does this El Salvador 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 who are vaccinated against polio. 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 either the oral or inactivated polio vaccine in a given year.