How many years of comparable data are there for Guinea and Nigeria?

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.

Guinea vs Nigeria: Reported cases of paralytic polio by world region

Guinea

47 cases

in 2023

Nigeria

87 cases

in 2023

Guinea rank

4th

Nigeria rank

2nd

Reported cases of paralytic polio by world region over time

Guinea
Nigeria

How they compare

Nigeria currently reports 87 cases against 47 cases in Guinea, a difference of 40 cases.

That makes Nigeria's figure about 1.9 times Guinea's.

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

Guinea ranks 4th and Nigeria ranks 2nd of 199 countries.

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

Head to head by decade

Decade	Guinea	Nigeria	Difference	Ahead
1980s	57 cases	649.6 cases	592.6 cases	Nigeria
1990s	56.4 cases	831.4 cases	775 cases	Nigeria
2000s	5 cases	576.8 cases	571.8 cases	Nigeria
2010s	1.1 cases	42.4 cases	41.3 cases	Nigeria
2020s	24.25 cases	140.5 cases	116.25 cases	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of paralytic polio by world region, Guinea or Nigeria?: Nigeria, at 87 cases against 47 cases in Guinea as of 2023.
What is the difference in reported cases of paralytic polio by world region between Guinea and Nigeria?: 40 cases, with Nigeria ahead.
How many years of comparable data are there for Guinea and Nigeria?: 44 years are reported by both, from 1980 to 2023.
How do Guinea and Nigeria rank globally for reported cases of paralytic polio by world region?: Guinea ranks 4th and Nigeria ranks 2nd 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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Guinea vs Nigeria: 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 31 August 2026, from https://reference.statizoid.com/compare/the-number-of-reported-paralytic-polio-cases-by-world-region/guinea/nigeria/

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<a href="https://reference.statizoid.com/compare/the-number-of-reported-paralytic-polio-cases-by-world-region/guinea/nigeria/">Guinea vs Nigeria: 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.