Share of one-year-olds who are vaccinated against polio in Portugal
Portugal: Share of one-year-olds who are vaccinated against polio was 99.0% in 2024. ▲ Rising
Latest (2024)
99.0%
Change on year
unchanged
World rank
1st
of 194 countries
All-time high
99.0%
in 2018
All-time low
16.0%
in 1981
Years of data
45
1980–2024
Share of one-year-olds who are vaccinated against polio in Portugal, 1980–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
Portugal recorded 99.0% for share of one-year-olds who are vaccinated against polio in 2024. That is the highest value across all 45 years on record.
That represents a change of up 1.0% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Portugal peaked at 99.0% in 2018 and was at its lowest, 16.0%, in 1981.
Portugal ranks 1st of 194 countries on this measure, in the top 10%.
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 Portugal, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 18.0% | — |
| 1981 | 16.0% | -11.1% |
| 1982 | 18.0% | +12.5% |
| 1983 | 20.0% | +11.1% |
| 1984 | 21.0% | +5.0% |
| 1985 | 29.0% | +38.1% |
| 1986 | 78.0% | +169.0% |
| 1987 | 81.0% | +3.8% |
| 1988 | 81.0% | +0.0% |
| 1989 | 88.0% | +8.6% |
| 1990 | 89.0% | +1.1% |
| 1991 | 95.0% | +6.7% |
| 1992 | 93.0% | -2.1% |
| 1993 | 92.0% | -1.1% |
| 1994 | 96.0% | +4.3% |
| 1995 | 96.0% | +0.0% |
| 1996 | 95.0% | -1.0% |
| 1997 | 93.0% | -2.1% |
| 1998 | 96.0% | +3.2% |
| 1999 | 96.0% | +0.0% |
| 2000 | 96.0% | +0.0% |
| 2001 | 96.0% | +0.0% |
| 2002 | 96.0% | +0.0% |
| 2003 | 96.0% | +0.0% |
| 2004 | 95.0% | -1.0% |
| 2005 | 93.0% | -2.1% |
| 2006 | 97.0% | +4.3% |
| 2007 | 96.0% | -1.0% |
| 2008 | 97.0% | +1.0% |
| 2009 | 96.0% | -1.0% |
| 2010 | 97.0% | +1.0% |
| 2011 | 97.0% | +0.0% |
| 2012 | 98.0% | +1.0% |
| 2013 | 98.0% | +0.0% |
| 2014 | 98.0% | +0.0% |
| 2015 | 98.0% | +0.0% |
| 2016 | 98.0% | +0.0% |
| 2017 | 98.0% | +0.0% |
| 2018 | 99.0% | +1.0% |
| 2019 | 99.0% | +0.0% |
| 2020 | 99.0% | +0.0% |
| 2021 | 99.0% | +0.0% |
| 2022 | 99.0% | +0.0% |
| 2023 | 99.0% | +0.0% |
| 2024 | 99.0% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 45.0% | 16.0% | 88.0% | 10 |
| 1990s | 94.1% | 89.0% | 96.0% | 10 |
| 2000s | 95.8% | 93.0% | 97.0% | 10 |
| 2010s | 98.0% | 97.0% | 99.0% | 10 |
| 2020s | 99.0% | 99.0% | 99.0% | 5 |
Countries ranked near Portugal
- 1 Antigua and Barbuda 99.0% compare
- 1 Bhutan 99.0% compare
- 1 Brunei 99.0% compare
- 1 Costa Rica 99.0% compare
- 1 Cuba 99.0% compare
- 1 Guyana 99.0% compare
- 1 Hungary 99.0% compare
- 1 Iran 99.0% compare
- 1 Kuwait 99.0% compare
- 1 Luxembourg 99.0% compare
- 1 Maldives 99.0% compare
- 1 Monaco 99.0% compare
- 1 Niue 99.0% compare
- 1 Oman 99.0% compare
- 1 Saint Vincent and the Grenadines 99.0% compare
- 1 Tonga 99.0% compare
- 1 Turkey 99.0% compare
More health data for Portugal
- Un projection of annual infant deaths, annual growth rate -2.56 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.1616 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,112 deaths per 1,000 people (2090)
- Number of infants who die before age 1 38 deaths (2100)
- Population ages 80 and above, female, per capita 0.0457 units per person (2025)
- Population ages 80 and above, male, annual growth rate 4.67 % change on previous year (2025)
- Population ages 80 and above, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 80 and above, male, per capita 0.0274 units per person (2025)
- Pertussis - number of reported cases, gaps filled 20 (2025)
- Pertussis - number of reported cases, per capita 0 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in Portugal?
- Share of one-year-olds who are vaccinated against polio in Portugal was 99.0% 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 Portugal?
- The highest recorded value was 99.0% in 2018.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Portugal?
- The lowest recorded value was 16.0% in 1981.
- How does Portugal rank for share of one-year-olds who are vaccinated against polio?
- Portugal ranks 1st out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Portugal?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is rising.
- Where does this Portugal 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.
Download this data
CSV · JSON — 45 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.