Mauritania vs Tanzania, United Republic of: Reported versus estimated cases of polio

Mauritania
1 cases
in 2023
Tanzania, United Republic of
2 cases
in 2023
Mauritania rank
21st
Tanzania, United Republic of rank
19th

Reported versus estimated cases of polio over time

  • Mauritania
  • Tanzania, United Republic of
0200400600198020012023

How they compare

Tanzania, United Republic of currently reports 2 cases against 1 cases in Mauritania, a difference of 1 cases.

That makes Tanzania, United Republic of's figure about 2.0 times Mauritania's.

The two have swapped places 9 times across 43 shared years of data; in 1980 it was Mauritania ahead.

Mauritania ranks 21st and Tanzania, United Republic of ranks 19th of 199 countries.

Across the 5 decades both report, Mauritania averaged higher in 3 and Tanzania, United Republic of in 2.

Head to head by decade

Decade Mauritania Tanzania, United Republic of Difference Ahead
1980s 66.6 cases 155 cases 88.4 cases Tanzania, United Republic of
1990s 14 cases 12.33 cases 1.67 cases Mauritania
2000s 1.4 cases 0 cases 1.4 cases Mauritania
2010s 0.5 cases 0 cases 0.5 cases Mauritania
2020s 0.25 cases 0.5 cases 0.25 cases Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Mauritania or Tanzania, United Republic of?
Tanzania, United Republic of, at 2 cases against 1 cases in Mauritania as of 2023.
What is the difference in reported versus estimated cases of polio between Mauritania and Tanzania, United Republic of?
1 cases, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Mauritania and Tanzania, United Republic of?
43 years are reported by both, from 1980 to 2023.
How do Mauritania and Tanzania, United Republic of rank globally for reported versus estimated cases of polio?
Mauritania ranks 21st and Tanzania, United Republic of ranks 19th of 199 countries.
Where does this data come from?
World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data, published as Reported versus estimated cases of polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mauritania vs Tanzania, United Republic of: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/mauritania/tanzania/

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About this data

Indicator
Reported versus estimated cases of polio
Unit
cases
Source
World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 7,608 data points, 1980–2023
Last refreshed

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.