Cases of paralytic polio from vaccine derived viruses in Chad
Chad: Cases of paralytic polio from vaccine derived viruses was 55 in 2023. ◆ Volatile
Cases of paralytic polio from vaccine derived viruses in Chad, 2001–2023
Source: Our World in Data.
Analysis
The most recent figure for cases of paralytic polio from vaccine derived viruses in Chad is 55, measured in 2023.
That represents a change of up 25.0% on the previous year and up 1,733.3% over ten years.
Over the whole period, cases of paralytic polio from vaccine derived viruses in Chad peaked at 101 in 2020 and was at its lowest, 0, in 2001.
Chad ranks 3rd of 173 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Cases of paralytic polio from vaccine derived viruses in Chad, year by year
| Year | Value | Change |
|---|---|---|
| 2001 | 0 | — |
| 2002 | 0 | — |
| 2003 | 0 | — |
| 2004 | 0 | — |
| 2005 | 0 | — |
| 2006 | 0 | — |
| 2007 | 0 | — |
| 2008 | 0 | — |
| 2009 | 0 | — |
| 2010 | 1 | — |
| 2011 | 0 | -100.0% |
| 2012 | 12 | — |
| 2013 | 3 | -75.0% |
| 2014 | 0 | -100.0% |
| 2015 | 0 | — |
| 2016 | 0 | — |
| 2017 | 0 | — |
| 2018 | 0 | — |
| 2019 | 11 | — |
| 2020 | 101 | +818.2% |
| 2021 | 0 | -100.0% |
| 2022 | 44 | — |
| 2023 | 55 | +25.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0 | 0 | 0 | 9 |
| 2010s | 2.7 | 0 | 12 | 10 |
| 2020s | 50 | 0 | 101 | 4 |
Countries ranked near Chad
- 1 Democratic Republic of Congo 223 compare
- 2 Nigeria 87 compare
- 4 Guinea 47 compare
- 5 Madagascar 24 compare
- 6 Mali 15 compare
More health data for Chad
- Un projection of annual infant deaths, annual growth rate -0.9964 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6578 % change on previous year (2090)
- Un projection of annual infant deaths 41,435 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 245 (2025)
- Population ages 00-04, female, annual growth rate 3.76 % 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 0.0898 units per person (2025)
- Population ages 00-04, male, annual growth rate 3.77 % 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 0.0924 units per person (2025)
Frequently asked questions
- What is cases of paralytic polio from vaccine derived viruses in Chad?
- Cases of paralytic polio from vaccine derived viruses in Chad was 55 in 2023, according to Our World in Data.
- What is the highest cases of paralytic polio from vaccine derived viruses recorded in Chad?
- The highest recorded value was 101 in 2020.
- What is the lowest cases of paralytic polio from vaccine derived viruses recorded in Chad?
- The lowest recorded value was 0 in 2001.
- How does Chad rank for cases of paralytic polio from vaccine derived viruses?
- Chad ranks 3rd out of 173 countries with data for 2023.
- Is cases of paralytic polio from vaccine derived viruses rising or falling in Chad?
- Over the last ten years it is up 1,733.3%. The long-run trend across the full record is volatile.
- Where does this Chad data come from?
- The figures come from Our World in Data, published as part of Cases of paralytic polio from vaccine derived viruses. Statizoid updates them automatically from the source API.
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