What is the difference in reported versus estimated cases of polio between Equatorial Guinea and Japan?

0 cases, with Equatorial Guinea ahead.

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

38 years are reported by both, from 1984 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 versus estimated cases of polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Equatorial Guinea vs Japan: Reported versus estimated cases of polio

Equatorial Guinea

0 cases

in 2023

Japan

0 cases

in 2023

Equatorial Guinea rank

26th

Japan rank

26th

Reported versus estimated cases of polio over time

Equatorial Guinea
Japan

How they compare

Equatorial Guinea currently reports 0 cases against 0 cases in Japan, a difference of 0 cases.

The two have swapped places 7 times across 38 shared years of data; in 1984 it was Equatorial Guinea ahead.

Equatorial Guinea ranks 26th and Japan ranks 26th of 199 countries.

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

Head to head by decade

Decade	Equatorial Guinea	Difference	Ahead
1980s	5.17 cases	5.17 cases	Equatorial Guinea
1990s	1.25 cases	1.25 cases	Equatorial Guinea
2000s	0 cases	0 cases	—
2010s	0.5 cases	0.5 cases	Equatorial Guinea
2020s	0 cases	0 cases	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Equatorial Guinea or Japan?: Equatorial Guinea, at 0 cases against 0 cases in Japan as of 2023.
What is the difference in reported versus estimated cases of polio between Equatorial Guinea and Japan?: 0 cases, with Equatorial Guinea ahead.
How many years of comparable data are there for Equatorial Guinea and Japan?: 38 years are reported by both, from 1984 to 2023.
How do Equatorial Guinea and Japan rank globally for reported versus estimated cases of polio?: Equatorial Guinea ranks 26th and Japan ranks 26th 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 versus estimated cases of polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Equatorial Guinea vs Japan: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/equatorial-guinea/japan/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/equatorial-guinea/japan/">Equatorial Guinea vs Japan: Reported versus estimated cases of polio</a> — Statizoid

About this data

Indicator: Reported versus estimated cases of polio
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.