Niger vs Tanzania, United Republic of: Reported cases of paralytic polio from vaccine-derived viruses

Niger
2 cases
in 2023
Tanzania, United Republic of
2 cases
in 2023
Niger rank
17th
Tanzania, United Republic of rank
17th

Reported cases of paralytic polio from vaccine-derived viruses over time

  • Niger
  • Tanzania, United Republic of
05101520200120122023

How they compare

Niger currently reports 2 cases against 2 cases in Tanzania, United Republic of, a difference of 0 cases.

The two have swapped places 8 times across 23 shared years of data; in 2001 it was Tanzania, United Republic of ahead.

Niger ranks 17th and Tanzania, United Republic of ranks 17th of 173 countries.

Niger has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Niger Tanzania, United Republic of Difference Ahead
2000s 0.2222 cases 0 cases 0.2222 cases Niger
2010s 1.4 cases 0 cases 1.4 cases Niger
2020s 11.5 cases 0.5 cases 11 cases Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of paralytic polio from vaccine-derived viruses, Niger or Tanzania, United Republic of?
Niger, at 2 cases against 2 cases in Tanzania, United Republic of as of 2023.
What is the difference in reported cases of paralytic polio from vaccine-derived viruses between Niger and Tanzania, United Republic of?
0 cases, with Niger ahead.
How many years of comparable data are there for Niger and Tanzania, United Republic of?
23 years are reported by both, from 2001 to 2023.
How do Niger and Tanzania, United Republic of rank globally for reported cases of paralytic polio from vaccine-derived viruses?
Niger ranks 17th and Tanzania, United Republic of ranks 17th of 173 countries.
Where does this data come from?
World Health Organization (2024) – processed by Our World in Data, published as Reported cases of paralytic polio from vaccine-derived viruses. 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: Reported cases of paralytic polio from vaccine-derived viruses. Statizoid, drawing on World Health Organization (2024) – processed by Our World in Data. Retrieved 12 September 2026, from https://health.statizoid.com/compare/cases-of-paralytic-polio-from-vaccine-derived-viruses/niger/tanzania/

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About this data

Indicator
Reported cases of paralytic polio from vaccine-derived viruses
Unit
cases
Source
World Health Organization (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
173 places, 3,956 data points, 2001–2023
Last refreshed

Number of cases of circulating vaccine-derived poliovirus detected in a given year.