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

Tanzania, United Republic of
2 cases
in 2023
Zambia
1 cases
in 2023
Tanzania, United Republic of rank
17th
Zambia rank
19th

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

  • Tanzania, United Republic of
  • Zambia
00.511.52200120122023

How they compare

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

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

The two have swapped places 1 time across 23 shared years of data; in 2001 it was Zambia ahead.

Tanzania, United Republic of ranks 17th and Zambia ranks 19th of 173 countries.

Across the 3 decades both report, Tanzania, United Republic of averaged higher in 1 and Zambia in 1.

Head to head by decade

Decade Tanzania, United Republic of Zambia Difference Ahead
2000s 0 cases 0 cases 0 cases
2010s 0 cases 0.2 cases 0.2 cases Zambia
2020s 0.5 cases 0.25 cases 0.25 cases Tanzania, United Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of paralytic polio from vaccine-derived viruses, Tanzania, United Republic of or Zambia?
Tanzania, United Republic of, at 2 cases against 1 cases in Zambia as of 2023.
What is the difference in reported cases of paralytic polio from vaccine-derived viruses between Tanzania, United Republic of and Zambia?
1 cases, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Tanzania, United Republic of and Zambia?
23 years are reported by both, from 2001 to 2023.
How do Tanzania, United Republic of and Zambia rank globally for reported cases of paralytic polio from vaccine-derived viruses?
Tanzania, United Republic of ranks 17th and Zambia ranks 19th 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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Tanzania, United Republic of vs Zambia: Reported cases of paralytic polio from vaccine-derived viruses. Statizoid, drawing on World Health Organization (2024) – processed by Our World in Data. Retrieved 14 September 2026, from https://health.statizoid.com/compare/cases-of-paralytic-polio-from-vaccine-derived-viruses/tanzania/zambia/

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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.