Reported paralytic polio cases per 1 million people in Chad
Chad: Reported paralytic polio cases per 1 million people was 3.01 in 2023. ◆ Volatile
Reported paralytic polio cases per 1 million people in Chad, 1983–2023
Source: Our World in Data.
Analysis
The most recent figure for reported paralytic polio cases per 1 million people in Chad is 3.01, measured in 2023.
Compared with earlier readings it is up 21.2% on the previous year and up 1,225.6% over ten years.
Over the whole period, reported paralytic polio cases per 1 million people in Chad peaked at 43.75 in 1997 and was at its lowest, 0, in 1994.
That places Chad 2nd out of 199 countries with data for 2023, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Reported paralytic polio cases per 1 million people in Chad, year by year
| Year | Value | Change |
|---|---|---|
| 1983 | 4.94 | — |
| 1984 | 1.83 | -63.0% |
| 1985 | 9.06 | +395.3% |
| 1986 | 1.76 | -80.6% |
| 1994 | 0 | -100.0% |
| 1995 | 27.87 | — |
| 1996 | 12.92 | -53.7% |
| 1997 | 43.75 | +238.7% |
| 1998 | 0.5189 | -98.8% |
| 1999 | 13.78 | +2556.0% |
| 2000 | 7.26 | -47.3% |
| 2001 | 0 | -100.0% |
| 2002 | 0 | — |
| 2003 | 2.72 | — |
| 2004 | 2.5 | -8.2% |
| 2005 | 0.1999 | -92.0% |
| 2006 | 0.0965 | -51.7% |
| 2007 | 2.05 | +2026.7% |
| 2008 | 3.33 | +62.5% |
| 2009 | 5.57 | +67.0% |
| 2010 | 2.27 | -59.2% |
| 2011 | 10.72 | +372.1% |
| 2012 | 1.33 | -87.6% |
| 2013 | 0.227 | -83.0% |
| 2014 | 0 | -100.0% |
| 2015 | 0 | — |
| 2016 | 0 | — |
| 2017 | 0 | — |
| 2018 | 0 | — |
| 2019 | 0.6821 | — |
| 2020 | 6.07 | +789.6% |
| 2021 | 0 | -100.0% |
| 2022 | 2.48 | — |
| 2023 | 3.01 | +21.2% |
Chad compared with similar countries
- Chad's 3.01 is above the median for low income countries, which is 0.0735, 40.9× the median. (25 countries reporting)
Biggest year-on-year movements
Years where Reported paralytic polio cases per 1 million people in Chad 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 |
|---|---|---|---|
| 1999 | +2556.0% | 0.5189 | 13.78 |
| 2007 | +2026.7% | 0.0965 | 2.05 |
| 2020 | +789.6% | 0.6821 | 6.07 |
| 1985 | +395.3% | 1.83 | 9.06 |
| 2011 | +372.1% | 2.27 | 10.72 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 4.4 | 1.76 | 9.06 | 4 |
| 1990s | 16.47 | 0 | 43.75 | 6 |
| 2000s | 2.37 | 0 | 7.26 | 10 |
| 2010s | 1.52 | 0 | 10.72 | 10 |
| 2020s | 2.89 | 0 | 6.07 | 4 |
Countries ranked near Chad
- 1 Guinea 3.31 compare
- 3 Central African Republic 2.44 compare
- 4 Democratic Republic of Congo 2.18 compare
- 5 Madagascar 0.7914 compare
More reference data data for Chad
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.3078 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 13.52 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1797 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.01 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.03 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.5525 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 58.55 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 61.14 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.9785 (2050)
Frequently asked questions
- What is reported paralytic polio cases per 1 million people in Chad?
- Reported paralytic polio cases per 1 million people in Chad was 3.01 in 2023, according to Our World in Data.
- What is the highest reported paralytic polio cases per 1 million people recorded in Chad?
- The highest recorded value was 43.75 in 1997.
- What is the lowest reported paralytic polio cases per 1 million people recorded in Chad?
- The lowest recorded value was 0 in 1994.
- How does Chad rank for reported paralytic polio cases per 1 million people?
- Chad ranks 2nd out of 199 countries with data for 2023.
- Is reported paralytic polio cases per 1 million people rising or falling in Chad?
- Over the last ten years it is up 1,225.6%. 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 Reported paralytic polio cases per 1 million people. Statizoid updates them automatically from the source API.
Download this data
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