Tanzania, United Republic of vs Zambia: Reported paralytic polio cases per 1 million people

Tanzania, United Republic of
0.0297
in 2023
Zambia
0.0486
in 2023
Tanzania, United Republic of rank
23rd
Zambia rank
22nd

Reported paralytic polio cases per 1 million people over time

  • Tanzania, United Republic of
  • Zambia
020406080198020012023

How they compare

Zambia currently reports 0.0486 against 0.0297 in Tanzania, United Republic of, a difference of 0.0189.

That makes Zambia's figure about 1.6 times Tanzania, United Republic of's.

The two have swapped places 6 times across 42 shared years of data; in 1980 it was Zambia ahead.

Tanzania, United Republic of ranks 23rd and Zambia ranks 22nd of 196 countries.

Zambia has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Tanzania, United Republic of Zambia Difference Ahead
1980s 6.84 28.33 21.5 Zambia
1990s 0.4258 7.69 7.26 Zambia
2000s 0 0.0485 0.0485 Zambia
2010s 0 0.0109 0.0109 Zambia
2020s 0.0074 0.0122 0.0047 Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported paralytic polio cases per 1 million people, Tanzania, United Republic of or Zambia?
Zambia, at 0.0486 against 0.0297 in Tanzania, United Republic of as of 2023.
What is the difference in reported paralytic polio cases per 1 million people between Tanzania, United Republic of and Zambia?
0.0189, with Zambia ahead.
How many years of comparable data are there for Tanzania, United Republic of and Zambia?
42 years are reported by both, from 1980 to 2023.
How do Tanzania, United Republic of and Zambia rank globally for reported paralytic polio cases per 1 million people?
Tanzania, United Republic of ranks 23rd and Zambia ranks 22nd of 196 countries.
Where does this data come from?
Our World in Data, published as Reported paralytic polio cases per 1 million people. 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 paralytic polio cases per 1 million people. Statizoid, drawing on Our World in Data. Retrieved 25 August 2026, from https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/tanzania/zambia/

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<a href="https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/tanzania/zambia/">Tanzania, United Republic of vs Zambia: Reported paralytic polio cases per 1 million people</a> — Statizoid

About this data

Indicator
Reported paralytic polio cases per 1 million people
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 7,608 data points, 1980–2023
Last refreshed