Polio number unvaccinated in Sao Tome and Principe
Sao Tome and Principe: Polio number unvaccinated was 937.65 in 2023. ◆ Volatile
Polio number unvaccinated in Sao Tome and Principe, 1981–2023
Source: Our World in Data.
Analysis
Sao Tome and Principe recorded 937.65 for polio number unvaccinated in 2023.
The figure is up 39.4% on the previous year and up 413.4% over ten years.
Over the whole period, polio number unvaccinated in Sao Tome and Principe peaked at 1,997 in 1985 and was at its lowest, 55.08, in 2004.
Sao Tome and Principe ranks 149th of 194 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Polio number unvaccinated in Sao Tome and Principe, year by year
| Year | Value | Change |
|---|---|---|
| 1981 | 1,878 | — |
| 1982 | 1,905 | +1.4% |
| 1983 | 1,930 | +1.3% |
| 1984 | 1,960 | +1.6% |
| 1985 | 1,997 | +1.9% |
| 1986 | 1,335 | -33.2% |
| 1987 | 1,128 | -15.5% |
| 1988 | 1,161 | +3.0% |
| 1989 | 1,620 | +39.5% |
| 1990 | 437 | -73.0% |
| 1991 | 577.59 | +32.2% |
| 1992 | 1,491 | +158.2% |
| 1993 | 1,832 | +22.8% |
| 1994 | 1,420 | -22.5% |
| 1995 | 958.86 | -32.5% |
| 1996 | 1,458 | +52.0% |
| 1997 | 1,230 | -15.6% |
| 1998 | 1,270 | +3.3% |
| 1999 | 901 | -29.1% |
| 2000 | 581.88 | -35.4% |
| 2001 | 450.6 | -22.6% |
| 2002 | 396 | -12.1% |
| 2003 | 324.84 | -18.0% |
| 2004 | 55.08 | -83.0% |
| 2005 | 167.55 | +204.2% |
| 2006 | 170.64 | +1.8% |
| 2007 | 116.14 | -31.9% |
| 2008 | 59.16 | -49.1% |
| 2009 | 59.76 | +1.0% |
| 2010 | 119.36 | +99.7% |
| 2011 | 235.64 | +97.4% |
| 2012 | 232.24 | -1.4% |
| 2013 | 182.64 | -21.4% |
| 2014 | 318.7 | +74.5% |
| 2015 | 252.52 | -20.8% |
| 2016 | 248.76 | -1.5% |
| 2017 | 304.5 | +22.4% |
| 2018 | 297.95 | -2.2% |
| 2019 | 293.9 | -1.4% |
| 2020 | 357.6 | +21.7% |
| 2021 | 423.5 | +18.4% |
| 2022 | 672.87 | +58.9% |
| 2023 | 937.65 | +39.4% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 937.65 is below the median for lower middle income countries, which is 47,525, 2% of the median. (46 countries reporting)
- Sao Tome and Principe's 937.65 is below the median for Sub-Saharan Africa, which is 59,256, 2% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Polio number unvaccinated in Sao Tome and Principe 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 |
|---|---|---|---|
| 2005 | +204.2% | 55.08 | 167.55 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 1,657 | 1,128 | 1,997 | 9 |
| 1990s | 1,158 | 437 | 1,832 | 10 |
| 2000s | 238.17 | 55.08 | 581.88 | 10 |
| 2010s | 248.62 | 119.36 | 318.7 | 10 |
| 2020s | 597.9 | 357.6 | 937.65 | 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)
- Un projection of annual infant deaths 15 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2021)
- Population ages 00-04, female, annual growth rate 1.58 % 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 0.0651 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.65 % 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 0.0668 units per person (2025)
Frequently asked questions
- What is polio number unvaccinated in Sao Tome and Principe?
- Polio number unvaccinated in Sao Tome and Principe was 937.65 in 2023, according to Our World in Data.
- What is the highest polio number unvaccinated recorded in Sao Tome and Principe?
- The highest recorded value was 1,997 in 1985.
- What is the lowest polio number unvaccinated recorded in Sao Tome and Principe?
- The lowest recorded value was 55.08 in 2004.
- How does Sao Tome and Principe rank for polio number unvaccinated?
- Sao Tome and Principe ranks 149th out of 194 countries with data for 2023.
- Is polio number unvaccinated rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 413.4%. The long-run trend across the full record is volatile.
- Where does this Sao Tome and Principe 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
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