The number of reported paralytic polio cases in Tanzania
Tanzania: The number of reported paralytic polio cases was 2 in 2023. ◆ Volatile
The number of reported paralytic polio cases in Tanzania, 1980–2023
Source: Our World in Data.
Analysis
Tanzania recorded 2 for the number of reported paralytic polio cases in 2023.
Over the whole period, the number of reported paralytic polio cases in Tanzania peaked at 578 in 1987 and was at its lowest, 0, in 1999.
Tanzania ranks 19th of 199 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
The number of reported paralytic polio cases in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 91 | — |
| 1981 | 69 | -24.2% |
| 1982 | 26 | -62.3% |
| 1983 | 101 | +288.5% |
| 1984 | 108 | +6.9% |
| 1985 | 340 | +214.8% |
| 1986 | 230 | -32.4% |
| 1987 | 578 | +151.3% |
| 1988 | 4 | -99.3% |
| 1989 | 3 | -25.0% |
| 1990 | 3 | +0.0% |
| 1991 | 4 | +33.3% |
| 1992 | 9 | +125.0% |
| 1993 | 1 | -88.9% |
| 1994 | 9 | +800.0% |
| 1996 | 9 | +0.0% |
| 1997 | 10 | +11.1% |
| 1998 | 66 | +560.0% |
| 1999 | 0 | -100.0% |
| 2000 | 0 | — |
| 2001 | 0 | — |
| 2002 | 0 | — |
| 2003 | 0 | — |
| 2004 | 0 | — |
| 2005 | 0 | — |
| 2006 | 0 | — |
| 2007 | 0 | — |
| 2008 | 0 | — |
| 2009 | 0 | — |
| 2010 | 0 | — |
| 2011 | 0 | — |
| 2012 | 0 | — |
| 2013 | 0 | — |
| 2014 | 0 | — |
| 2015 | 0 | — |
| 2016 | 0 | — |
| 2017 | 0 | — |
| 2018 | 0 | — |
| 2019 | 0 | — |
| 2020 | 0 | — |
| 2021 | 0 | — |
| 2022 | 0 | — |
| 2023 | 2 | — |
Biggest year-on-year movements
Years where The number of reported paralytic polio cases in Tanzania 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 |
|---|---|---|---|
| 1994 | +800.0% | 1 | 9 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 155 | 3 | 578 | 10 |
| 1990s | 12.33 | 0 | 66 | 9 |
| 2000s | 0 | 0 | 0 | 10 |
| 2010s | 0 | 0 | 0 | 10 |
| 2020s | 0.5 | 0 | 2 | 4 |
Countries ranked near Tanzania
More reference data data for Tanzania
- Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 68.48 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Agricultural 18,798 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
Frequently asked questions
- What is the number of reported paralytic polio cases in Tanzania?
- The number of reported paralytic polio cases in Tanzania was 2 in 2023, according to Our World in Data.
- What is the highest the number of reported paralytic polio cases recorded in Tanzania?
- The highest recorded value was 578 in 1987.
- What is the lowest the number of reported paralytic polio cases recorded in Tanzania?
- The lowest recorded value was 0 in 1999.
- How does Tanzania rank for the number of reported paralytic polio cases?
- Tanzania ranks 19th out of 199 countries with data for 2023.
- Where does this Tanzania data come from?
- The figures come from Our World in Data, published as part of The number of reported paralytic polio cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 43 observations, free to reuse under CC BY 4.0 (Our World in Data).