Niger vs Tanzania, United Republic of: Paralytic polio: estimated cases by world region

Niger
4 cases
in 2023
Tanzania, United Republic of
2.22 cases
in 2023
Niger rank
17th
Tanzania, United Republic of rank
20th

Paralytic polio: estimated cases by world region over time

  • Niger
  • Tanzania, United Republic of
01.0k2.0k3.0k4.0k198020012023

How they compare

Niger currently reports 4 cases against 2.22 cases in Tanzania, United Republic of, a difference of 1.78 cases.

That makes Niger's figure about 1.8 times Tanzania, United Republic of's.

The two have swapped places 6 times across 43 shared years of data; in 1980 it was Niger ahead.

Niger ranks 17th and Tanzania, United Republic of ranks 20th of 199 countries.

Across the 5 decades both report, Niger averaged higher in 4 and Tanzania, United Republic of in 1.

Head to head by decade

Decade Niger Tanzania, United Republic of Difference Ahead
1980s 981.4 cases 1,085 cases 103.6 cases Tanzania, United Republic of
1990s 304.89 cases 86.33 cases 218.56 cases Niger
2000s 42.98 cases 0 cases 42.98 cases Niger
2010s 3.42 cases 0 cases 3.42 cases Niger
2020s 19.44 cases 0.555 cases 18.89 cases Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher paralytic polio: estimated cases by world region, Niger or Tanzania, United Republic of?
Niger, at 4 cases against 2.22 cases in Tanzania, United Republic of as of 2023.
What is the difference in paralytic polio: estimated cases by world region between Niger and Tanzania, United Republic of?
1.78 cases, with Niger ahead.
How many years of comparable data are there for Niger and Tanzania, United Republic of?
43 years are reported by both, from 1980 to 2023.
How do Niger and Tanzania, United Republic of rank globally for paralytic polio: estimated cases by world region?
Niger ranks 17th and Tanzania, United Republic of ranks 20th 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 Paralytic polio: estimated cases by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Tanzania, United Republic of: Paralytic polio: estimated cases by world region. 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/number-of-estimated-paralytic-polio-cases-by-world-region/niger/tanzania/

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About this data

Indicator
Paralytic polio: estimated cases by world region
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

Total estimated number of polio cases.