Reported paralytic polio cases per million in Chad
Chad: Reported paralytic polio cases per million was 3.01 cases per million in 2023. ◆ Volatile
Reported paralytic polio cases per million in Chad, 1983–2023
Source: World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data. Measured in cases per million.
Analysis
The most recent figure for reported paralytic polio cases per million in Chad is 3.01 cases per million, 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 million in Chad peaked at 43.75 cases per million in 1997 and was at its lowest, 0 cases per million, 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.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 4.4 cases per million | 1.76 cases per million | 9.06 cases per million | 4 |
| 1990s | 16.47 cases per million | 0 cases per million | 43.75 cases per million | 6 |
| 2000s | 2.37 cases per million | 0 cases per million | 7.26 cases per million | 10 |
| 2010s | 1.52 cases per million | 0 cases per million | 10.72 cases per million | 10 |
| 2020s | 2.89 cases per million | 0 cases per million | 6.07 cases per million | 4 |
Countries ranked near Chad
- 1 Guinea 3.31 cases per million compare
- 3 Central African Republic 2.44 cases per million compare
- 4 Democratic Republic of Congo 2.18 cases per million compare
- 5 Madagascar 0.7914 cases per million compare
More reference data data for Chad
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.01 (2050)
- Summer temperature anomalies 1 °C (2026)
- Temperature anomalies by month 3.03 °C (2026)
- Spring temperature anomalies 0.1244 °C (2026)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure Management 146.4 (2050)
- Emission Totals - Direct emissions (N2O) - Manure applied to Soils 0.7242 (2050)
- Emission Totals - Direct emissions (N2O) - IPCC Agriculture 46.55 (2050)
- Emission Totals - Direct emissions (N2O) - Crop Residues 0.7988 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - Burning - Crop re 30.4 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure left on Pa 15,516 (2050)
Frequently asked questions
- What is reported paralytic polio cases per million in Chad?
- Reported paralytic polio cases per million in Chad was 3.01 cases per million in 2023, according to World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data.
- What is the highest reported paralytic polio cases per million recorded in Chad?
- The highest recorded value was 43.75 cases per million in 1997.
- What is the lowest reported paralytic polio cases per million recorded in Chad?
- The lowest recorded value was 0 cases per million in 1994.
- How does Chad rank for reported paralytic polio cases per million?
- Chad ranks 2nd out of 199 countries with data for 2023.
- Is reported paralytic polio cases per million 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 World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data, published as part of Reported paralytic polio cases per million. Statizoid updates them automatically from the source API.
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About this data
The sum of wild poliovirus cases and circulating vaccine derived poliovirus cases per million people.