How does Tanzania rank for share of potential polio cases tested and reported to the who?

Tanzania ranks 28th out of 173 countries with data for 2023.

Is share of potential polio cases tested and reported to the who rising or falling in Tanzania?

Over the last ten years it is down 2.0%. The long-run trend across the full record is flat.

Where does this Tanzania data come from?

The figures come from World Health Organization (2024) – processed by Our World in Data, published as part of Share of potential polio cases tested and reported to the WHO. Statizoid updates them automatically from the source API.

Share of potential polio cases tested and reported to the WHO in Tanzania

Name: Share of potential polio cases tested and reported to the WHO in Tanzania
Creator: World Health Organization (2024) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Tanzania: Share of potential polio cases tested and reported to the WHO was 98.0% in 2023. ▬ Flat

Latest (2023)

98.0%

Change on year

down 1.0%

World rank

28th

of 173 countries

All-time high

100.0%

in 2003

All-time low

70.0%

in 2021

Years of data

2001–2023

Share of potential polio cases tested and reported to the WHO in Tanzania, 2001–2023

Source: World Health Organization (2024) – processed by Our World in Data. Measured in %.

Analysis

Tanzania recorded 98.0% for share of potential polio cases tested and reported to the who in 2023.

Compared with earlier readings it is down 1.0% on the previous year and down 2.0% over ten years.

Over the whole period, share of potential polio cases tested and reported to the who in Tanzania peaked at 100.0% in 2003 and was at its lowest, 70.0%, in 2021.

Tanzania ranks 28th of 173 countries on this measure, in the top quarter.

Averages by decade

Decade	Average	Lowest	Highest	Years
2000s	92.2%	82.0%	100.0%	9
2010s	94.7%	82.0%	100.0%	10
2020s	86.8%	70.0%	99.0%	4

Countries ranked near Tanzania

28 Liberia 98.0% compare
28 Libya 98.0% compare
28 Rwanda 98.0% compare
28 Sudan 98.0% compare

See the full ranking of 173 places →

More reference data data for Tanzania

Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.6405 (2050)
Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 11.44 (2050)
Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 14.14 (2050)
Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7582 (2050)
Emission Totals - Indirect emissions (N2O) - Agricultural Soils 14.14 (2050)
Emission Totals - Emissions (N2O) - Manure applied to Soils 2.15 (2050)
Emission Totals - Emissions (N2O) - Manure Management 1.26 (2050)
Emission Totals - Emissions (N2O) - Manure left on Pasture 59.37 (2050)
Emission Totals - Emissions (N2O) - IPCC Agriculture 72.45 (2050)
Emission Totals - Emissions (N2O) - Crop Residues 4.13 (2050)

All data for Tanzania →

Frequently asked questions

What is share of potential polio cases tested and reported to the who in Tanzania?: Share of potential polio cases tested and reported to the who in Tanzania was 98.0% in 2023, according to World Health Organization (2024) – processed by Our World in Data.
What is the highest share of potential polio cases tested and reported to the who recorded in Tanzania?: The highest recorded value was 100.0% in 2003.
What is the lowest share of potential polio cases tested and reported to the who recorded in Tanzania?: The lowest recorded value was 70.0% in 2021.
How does Tanzania rank for share of potential polio cases tested and reported to the who?: Tanzania ranks 28th out of 173 countries with data for 2023.
Is share of potential polio cases tested and reported to the who rising or falling in Tanzania?: Over the last ten years it is down 2.0%. The long-run trend across the full record is flat.
Where does this Tanzania data come from?: The figures come from World Health Organization (2024) – processed by Our World in Data, published as part of Share of potential polio cases tested and reported to the WHO. Statizoid updates them automatically from the source API.

Download this data

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About this data

Indicator: Share of potential polio cases tested and reported to the WHO
Unit: %
Source: World Health Organization (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 173 places, 3,711 data points, 2001–2023
Last refreshed: 07 August 2026

The share of acute flaccid paralysis (AFP) cases, where stool samples were tested for poliovirus and reported to the WHO.