Share of one-year-olds who are vaccinated against polio in Sudan
Sudan: Share of one-year-olds who are vaccinated against polio was 40.0% in 2024. ▲ Rising
Share of one-year-olds who are vaccinated against polio in Sudan, 1980–2024
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who are vaccinated against polio in Sudan stood at 40.0%.
Compared with earlier readings it is down 24.5% on the previous year and down 57.4% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Sudan peaked at 95.0% in 2017 and was at its lowest, 1.0%, in 1980.
Sudan ranks 193rd of 194 countries on this measure, in the bottom quarter.
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 Sudan, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 1.0% | — |
| 1981 | 1.0% | +0.0% |
| 1982 | 2.0% | +100.0% |
| 1983 | 3.0% | +50.0% |
| 1984 | 4.0% | +33.3% |
| 1985 | 8.0% | +100.0% |
| 1986 | 14.0% | +75.0% |
| 1987 | 27.0% | +92.9% |
| 1988 | 41.0% | +51.9% |
| 1989 | 61.0% | +48.8% |
| 1990 | 62.0% | +1.6% |
| 1991 | 62.0% | +0.0% |
| 1992 | 53.0% | -14.5% |
| 1993 | 51.0% | -3.8% |
| 1994 | 46.0% | -9.8% |
| 1995 | 48.0% | +4.3% |
| 1996 | 56.0% | +16.7% |
| 1997 | 55.0% | -1.8% |
| 1998 | 48.0% | -12.7% |
| 1999 | 64.0% | +33.3% |
| 2000 | 62.0% | -3.1% |
| 2001 | 66.0% | +6.5% |
| 2002 | 60.0% | -9.1% |
| 2003 | 69.0% | +15.0% |
| 2004 | 74.0% | +7.2% |
| 2005 | 78.0% | +5.4% |
| 2006 | 77.0% | -1.3% |
| 2007 | 84.0% | +9.1% |
| 2008 | 85.0% | +1.2% |
| 2009 | 81.0% | -4.7% |
| 2010 | 90.0% | +11.1% |
| 2011 | 93.0% | +3.3% |
| 2012 | 92.0% | -1.1% |
| 2013 | 93.0% | +1.1% |
| 2014 | 94.0% | +1.1% |
| 2015 | 93.0% | -1.1% |
| 2016 | 93.0% | +0.0% |
| 2017 | 95.0% | +2.2% |
| 2018 | 93.0% | -2.1% |
| 2019 | 93.0% | +0.0% |
| 2020 | 90.0% | -3.2% |
| 2021 | 85.0% | -5.6% |
| 2022 | 85.0% | +0.0% |
| 2023 | 53.0% | -37.6% |
| 2024 | 40.0% | -24.5% |
Sudan compared with similar countries
- Sudan's 40.0% is below the median for low income countries, which is 72.0%, 56% of the median. (25 countries reporting)
- Sudan's 40.0% is below the median for Sub-Saharan Africa, which is 77.0%, 52% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds who are vaccinated against polio in Sudan 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 |
|---|---|---|---|
| 1982 | +100.0% | 1.0% | 2.0% |
| 1985 | +100.0% | 4.0% | 8.0% |
| 1987 | +92.9% | 14.0% | 27.0% |
| 1986 | +75.0% | 8.0% | 14.0% |
| 1988 | +51.9% | 27.0% | 41.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 16.2% | 1.0% | 61.0% | 10 |
| 1990s | 54.5% | 46.0% | 64.0% | 10 |
| 2000s | 73.6% | 60.0% | 85.0% | 10 |
| 2010s | 92.9% | 90.0% | 95.0% | 10 |
| 2020s | 70.6% | 40.0% | 90.0% | 5 |
Countries ranked near Sudan
- 191 Papua New Guinea 42.0% compare
- 191 Yemen 42.0% compare
- 194 North Korea 0.0% compare
More health data for Sudan
- Un projection of annual infant deaths, annual growth rate -1.63 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6701 % change on previous year (2090)
- Number of infants who die before age 1 14,804 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 22 (2025)
- Population ages 00-04, female, annual growth rate 1.27 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0737 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 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.076 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in Sudan?
- Share of one-year-olds who are vaccinated against polio in Sudan was 40.0% in 2024, according to WHO & UNICEF (2026); 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 Sudan?
- The highest recorded value was 95.0% in 2017.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Sudan?
- The lowest recorded value was 1.0% in 1980.
- How does Sudan rank for share of one-year-olds who are vaccinated against polio?
- Sudan ranks 193rd out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Sudan?
- Over the last ten years it is down 57.4%. The long-run trend across the full record is rising.
- Where does this Sudan data come from?
- The figures come from WHO & UNICEF (2026); 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.