Chad vs Madagascar: Reported paralytic polio cases per million

Chad
3.01 cases per million
in 2023
Madagascar
0.7914 cases per million
in 2023
Chad rank
2nd
Madagascar rank
5th

Reported paralytic polio cases per million over time

  • Chad
  • Madagascar
010203040198020012023

How they compare

Chad currently reports 3.01 cases per million against 0.7914 cases per million in Madagascar, a difference of 2.22 cases per million.

That makes Chad's figure about 3.8 times Madagascar's.

The two have swapped places 9 times across 34 shared years of data; in 1983 it was Madagascar ahead.

Chad ranks 2nd and Madagascar ranks 5th of 199 countries.

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

Head to head by decade

Decade Chad Madagascar Difference Ahead
1980s 4.4 cases per million 3.85 cases per million 0.5415 cases per million Chad
1990s 16.47 cases per million 0.3264 cases per million 16.15 cases per million Chad
2000s 2.37 cases per million 0.0452 cases per million 2.33 cases per million Chad
2010s 1.52 cases per million 0.0444 cases per million 1.48 cases per million Chad
2020s 2.89 cases per million 0.4717 cases per million 2.42 cases per million Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported paralytic polio cases per million, Chad or Madagascar?
Chad, at 3.01 cases per million against 0.7914 cases per million in Madagascar as of 2023.
What is the difference in reported paralytic polio cases per million between Chad and Madagascar?
2.22 cases per million, 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 paralytic polio cases per million?
Chad ranks 2nd and Madagascar ranks 5th of 199 countries.
Where does this data come from?
World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data, published as Reported paralytic polio cases per million. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Chad vs Madagascar: Reported paralytic polio cases per million. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data. Retrieved 29 September 2026, from https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/chad/madagascar/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/chad/madagascar/">Chad vs Madagascar: Reported paralytic polio cases per million</a> — Statizoid

About this data

Indicator
Reported paralytic polio cases per million
Unit
cases per million
Source
World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing 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 per million people.