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

0 cases, with Azerbaijan ahead.

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

32 years are reported by both, from 1991 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.

Azerbaijan vs Equatorial Guinea: Reported versus estimated cases of polio

Azerbaijan

0 cases

in 2023

Equatorial Guinea

0 cases

in 2023

Azerbaijan rank

26th

Equatorial Guinea rank

26th

Reported versus estimated cases of polio over time

Azerbaijan
Equatorial Guinea

How they compare

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

The two have swapped places 1 time across 32 shared years of data; in 1991 it was Azerbaijan ahead.

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

Across the 4 decades both report, Azerbaijan averaged higher in 1 and Equatorial Guinea in 1.

Head to head by decade

Decade	Azerbaijan	Equatorial Guinea	Difference	Ahead
1990s	16.62 cases	1.25 cases	15.38 cases	Azerbaijan
2000s	0 cases	0 cases	0 cases	—
2010s	0 cases	0.5 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, Azerbaijan or Equatorial Guinea?: Azerbaijan, at 0 cases against 0 cases in Equatorial Guinea as of 2023.
What is the difference in reported versus estimated cases of polio between Azerbaijan and Equatorial Guinea?: 0 cases, with Azerbaijan ahead.
How many years of comparable data are there for Azerbaijan and Equatorial Guinea?: 32 years are reported by both, from 1991 to 2023.
How do Azerbaijan and Equatorial Guinea rank globally for reported versus estimated cases of polio?: Azerbaijan ranks 26th and Equatorial Guinea 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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Azerbaijan vs Equatorial Guinea: 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/azerbaijan/equatorial-guinea/

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