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

0 cases, with Equatorial Guinea ahead.

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

39 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 Iran: Reported versus estimated cases of polio

Equatorial Guinea

0 cases

in 2023

Iran

0 cases

in 2023

Equatorial Guinea rank

26th

Iran rank

26th

Reported versus estimated cases of polio over time

Equatorial Guinea
Iran

How they compare

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

The two have swapped places 2 times across 39 shared years of data; in 1984 it was Iran ahead.

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

Across the 5 decades both report, Equatorial Guinea averaged higher in 1 and Iran in 3.

Head to head by decade

Decade	Equatorial Guinea	Iran	Difference	Ahead
1980s	5.17 cases	50.5 cases	45.33 cases	Iran
1990s	1.11 cases	49.22 cases	48.11 cases	Iran
2000s	0 cases	0.3 cases	0.3 cases	Iran
2010s	0.5 cases	0 cases	0.5 cases	Equatorial Guinea
2020s	0 cases	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 Iran?: Equatorial Guinea, at 0 cases against 0 cases in Iran as of 2023.
What is the difference in reported versus estimated cases of polio between Equatorial Guinea and Iran?: 0 cases, with Equatorial Guinea ahead.
How many years of comparable data are there for Equatorial Guinea and Iran?: 39 years are reported by both, from 1984 to 2023.
How do Equatorial Guinea and Iran rank globally for reported versus estimated cases of polio?: Equatorial Guinea ranks 26th and Iran 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 Iran: 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/iran-islamic-rep/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/equatorial-guinea/iran-islamic-rep/">Equatorial Guinea vs Iran: 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.