Zambia vs Zimbabwe: Reported versus estimated cases of polio

Zambia
1 cases
in 2023
Zimbabwe
1 cases
in 2023
Zambia rank
21st
Zimbabwe rank
21st

Reported versus estimated cases of polio over time

  • Zambia
  • Zimbabwe
0100200300400198020012023

How they compare

Zambia currently reports 1 cases against 1 cases in Zimbabwe, a difference of 0 cases.

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

Zambia ranks 21st and Zimbabwe ranks 21st of 199 countries.

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

Head to head by decade

Decade Zambia Zimbabwe Difference Ahead
1980s 177 cases 24.7 cases 152.3 cases Zambia
1990s 57.11 cases 3.22 cases 53.89 cases Zambia
2000s 0.5 cases 0 cases 0.5 cases Zambia
2010s 0.2 cases 0 cases 0.2 cases Zambia
2020s 0.25 cases 0.25 cases 0 cases

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Zambia or Zimbabwe?
Zambia, at 1 cases against 1 cases in Zimbabwe as of 2023.
What is the difference in reported versus estimated cases of polio between Zambia and Zimbabwe?
0 cases, with Zambia ahead.
How many years of comparable data are there for Zambia and Zimbabwe?
43 years are reported by both, from 1980 to 2023.
How do Zambia and Zimbabwe rank globally for reported versus estimated cases of polio?
Zambia ranks 21st and Zimbabwe ranks 21st 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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Zambia vs Zimbabwe: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/zambia/zimbabwe/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/zambia/zimbabwe/">Zambia vs Zimbabwe: Reported versus estimated cases of polio</a> — Statizoid

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.