Chad vs Madagascar: Reported vs estimated total number of paralytic polio cases globally

Chad
55
in 2023
Madagascar
24
in 2023
Chad rank
3rd
Madagascar rank
5th

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

  • Chad
  • Madagascar
0100200300198020012023

How they compare

Chad currently reports 55 against 24 in Madagascar, a difference of 31.

That makes Chad's figure about 2.3 times Madagascar's.

The two have swapped places 13 times across 34 shared years of data; in 1983 it was Madagascar ahead.

Chad ranks 3rd and Madagascar ranks 5th of 196 countries.

Across the 5 decades both report, Chad averaged higher in 4 and Madagascar in 1.

Head to head by decade

Decade Chad Madagascar Difference Ahead
1980s 21.75 38.75 17 Madagascar
1990s 120.83 4.67 116.17 Chad
2000s 23.5 0.8 22.7 Chad
2010s 19 1.1 17.9 Chad
2020s 50 14 36 Chad

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, Chad or Madagascar?
Chad, at 55 against 24 in Madagascar as of 2023.
What is the difference in reported vs estimated total number of paralytic polio cases globally between Chad and Madagascar?
31, with Chad ahead.
How many years of comparable data are there for Chad and Madagascar?
34 years are reported by both, from 1983 to 2023.
How do Chad and Madagascar rank globally for reported vs estimated total number of paralytic polio cases globally?
Chad ranks 3rd and Madagascar ranks 5th 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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Chad vs Madagascar: Reported vs estimated total number of paralytic polio cases globally. Statizoid, drawing on Our World in Data. Retrieved 22 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/chad/madagascar/

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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