How many years of comparable data are there for Mauritania and Niger?

44 years are reported by both, from 1980 to 2023.

Where does this data come from?

World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data, published as Reported cases of paralytic polio by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mauritania vs Niger: Reported cases of paralytic polio by world region

Mauritania

1 cases

in 2023

Niger

2 cases

in 2023

Mauritania rank

21st

Niger rank

19th

Reported cases of paralytic polio by world region over time

Mauritania
Niger

How they compare

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

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

The two have swapped places 4 times across 44 shared years of data; in 1980 it was Niger ahead.

Mauritania ranks 21st and Niger ranks 19th of 199 countries.

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

Head to head by decade

Decade	Mauritania	Niger	Difference	Ahead
1980s	66.6 cases	140.2 cases	73.6 cases	Niger
1990s	13.1 cases	43.2 cases	30.1 cases	Niger
2000s	1.4 cases	16.8 cases	15.4 cases	Niger
2010s	0.5 cases	2.2 cases	1.7 cases	Niger
2020s	0.25 cases	11.5 cases	11.25 cases	Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of paralytic polio by world region, Mauritania or Niger?: Niger, at 2 cases against 1 cases in Mauritania as of 2023.
What is the difference in reported cases of paralytic polio by world region between Mauritania and Niger?: 1 cases, with Niger ahead.
How many years of comparable data are there for Mauritania and Niger?: 44 years are reported by both, from 1980 to 2023.
How do Mauritania and Niger rank globally for reported cases of paralytic polio by world region?: Mauritania ranks 21st and Niger ranks 19th 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 cases of paralytic polio by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mauritania vs Niger: Reported cases of paralytic polio by world region. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 30 August 2026, from https://reference.statizoid.com/compare/the-number-of-reported-paralytic-polio-cases-by-world-region/mauritania/niger/

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<a href="https://reference.statizoid.com/compare/the-number-of-reported-paralytic-polio-cases-by-world-region/mauritania/niger/">Mauritania vs Niger: Reported cases of paralytic polio by world region</a> — Statizoid

About this data

Indicator: Reported cases of paralytic polio by world region
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: 28 August 2026

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.