Polio number unvaccinated in Portugal
Portugal: Polio number unvaccinated was 824.42 in 2023. ◆ Volatile
Polio number unvaccinated in Portugal, 1980–2023
Source: Our World in Data.
Analysis
In 2023, polio number unvaccinated in Portugal stood at 824.42. That is the lowest value across all 44 years on record.
Compared with earlier readings it is down 0.1% on the previous year and down 55.7% over ten years.
Over the whole period, polio number unvaccinated in Portugal peaked at 129,346 in 1980 and was at its lowest, 824.42, in 2023.
That places Portugal 155th out of 194 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.
Polio number unvaccinated in Portugal, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 129,346 | — |
| 1981 | 128,153 | -0.9% |
| 1982 | 120,912 | -5.7% |
| 1983 | 117,170 | -3.1% |
| 1984 | 112,879 | -3.7% |
| 1985 | 98,346 | -12.9% |
| 1986 | 28,996 | -70.5% |
| 1987 | 23,523 | -18.9% |
| 1988 | 22,695 | -3.5% |
| 1989 | 13,923 | -38.7% |
| 1990 | 12,536 | -10.0% |
| 1991 | 5,549 | -55.7% |
| 1992 | 7,775 | +40.1% |
| 1993 | 9,045 | +16.3% |
| 1994 | 4,491 | -50.3% |
| 1995 | 4,388 | -2.3% |
| 1996 | 5,335 | +21.6% |
| 1997 | 7,497 | +40.5% |
| 1998 | 4,374 | -41.7% |
| 1999 | 4,431 | +1.3% |
| 2000 | 4,454 | +0.5% |
| 2001 | 4,529 | +1.7% |
| 2002 | 4,537 | +0.2% |
| 2003 | 4,504 | -0.7% |
| 2004 | 5,613 | +24.6% |
| 2005 | 7,683 | +36.9% |
| 2006 | 3,251 | -57.7% |
| 2007 | 4,264 | +31.2% |
| 2008 | 3,089 | -27.5% |
| 2009 | 4,087 | +32.3% |
| 2010 | 3,000 | -26.6% |
| 2011 | 2,963 | -1.2% |
| 2012 | 1,972 | -33.4% |
| 2013 | 1,863 | -5.5% |
| 2014 | 1,723 | -7.5% |
| 2015 | 1,649 | -4.3% |
| 2016 | 1,676 | +1.7% |
| 2017 | 1,724 | +2.9% |
| 2018 | 866.18 | -49.8% |
| 2019 | 866.84 | +0.1% |
| 2020 | 871.06 | +0.5% |
| 2021 | 860.01 | -1.3% |
| 2022 | 825.09 | -4.1% |
| 2023 | 824.42 | -0.1% |
Portugal compared with similar countries
- Portugal's 824.42 is below the median for high income countries, which is 2,216, 37% of the median. (63 countries reporting)
- Portugal's 824.42 is below the median for Europe & Central Asia, which is 4,043, 20% of the median. (51 countries reporting)
Biggest year-on-year movements
Years where Polio number unvaccinated in Portugal changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1986 | -70.5% | 98,346 | 28,996 |
| 2006 | -57.7% | 7,683 | 3,251 |
| 1991 | -55.7% | 12,536 | 5,549 |
| 1994 | -50.3% | 9,045 | 4,491 |
| 2018 | -49.8% | 1,724 | 866.18 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 79,594 | 13,923 | 129,346 | 10 |
| 1990s | 6,542 | 4,374 | 12,536 | 10 |
| 2000s | 4,601 | 3,089 | 7,683 | 10 |
| 2010s | 1,830 | 866.18 | 3,000 | 10 |
| 2020s | 845.14 | 824.42 | 871.06 | 4 |
Countries ranked near Portugal
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)
- Un projection of annual infant deaths 38 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 1.39 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0199 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.15 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.021 units per person (2025)
Frequently asked questions
- What is polio number unvaccinated in Portugal?
- Polio number unvaccinated in Portugal was 824.42 in 2023, according to Our World in Data.
- What is the highest polio number unvaccinated recorded in Portugal?
- The highest recorded value was 129,346 in 1980.
- What is the lowest polio number unvaccinated recorded in Portugal?
- The lowest recorded value was 824.42 in 2023.
- How does Portugal rank for polio number unvaccinated?
- Portugal ranks 155th out of 194 countries with data for 2023.
- Is polio number unvaccinated rising or falling in Portugal?
- Over the last ten years it is down 55.7%. The long-run trend across the full record is volatile.
- Where does this Portugal data come from?
- The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under CC BY 4.0 (Our World in Data).