Niger vs Zambia: Reported vs estimated total number of paralytic polio cases globally

Niger
2
in 2023
Zambia
1
in 2023
Niger rank
19th
Zambia rank
21st

Reported vs estimated total number of paralytic polio cases globally over time

  • Niger
  • Zambia
0100200300400198020012023

How they compare

Niger currently reports 2 against 1 in Zambia, a difference of 1.

That makes Niger's figure about 2.0 times Zambia's.

The two have swapped places 10 times across 43 shared years of data; in 1980 it was Niger ahead.

Niger ranks 19th and Zambia ranks 21st of 196 countries.

Across the 5 decades both report, Niger averaged higher in 3 and Zambia in 2.

Head to head by decade

Decade Niger Zambia Difference Ahead
1980s 140.2 177 36.8 Zambia
1990s 41.67 57.11 15.44 Zambia
2000s 16.8 0.5 16.3 Niger
2010s 2.2 0.2 2 Niger
2020s 11.5 0.25 11.25 Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported vs estimated total number of paralytic polio cases globally, Niger or Zambia?
Niger, at 2 against 1 in Zambia as of 2023.
What is the difference in reported vs estimated total number of paralytic polio cases globally between Niger and Zambia?
1, with Niger ahead.
How many years of comparable data are there for Niger and Zambia?
43 years are reported by both, from 1980 to 2023.
How do Niger and Zambia rank globally for reported vs estimated total number of paralytic polio cases globally?
Niger ranks 19th and Zambia ranks 21st of 196 countries.
Where does this data come from?
Our World in Data, published as Reported vs estimated total number of paralytic polio cases globally. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Niger vs Zambia: Reported vs estimated total number of paralytic polio cases globally. Statizoid, drawing on Our World in Data. Retrieved 27 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/niger/zambia/

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About this data

Indicator
Reported vs estimated total number of paralytic polio cases globally
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