How many years of comparable data are there for Comoros and United States of America?

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 versus estimated cases of polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Comoros vs United States of America: Reported versus estimated cases of polio

Comoros

0 cases

in 2023

United States of America

0 cases

in 2023

Comoros rank

26th

United States of America rank

26th

Reported versus estimated cases of polio over time

Comoros
United States of America

How they compare

Comoros currently reports 0 cases against 0 cases in United States of America, a difference of 0 cases.

Across all 44 years both countries report, United States of America has been ahead every year.

Comoros ranks 26th and United States of America ranks 26th of 199 countries.

United States of America has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Comoros	United States of America	Difference	Ahead
1980s	0.9 cases	6.1 cases	5.2 cases	United States of America
1990s	0 cases	0 cases	0 cases	—
2000s	0 cases	0 cases	0 cases	—
2010s	0 cases	0 cases	0 cases	—
2020s	0 cases	0.25 cases	0.25 cases	United States of America

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Comoros or United States of America?: Comoros, at 0 cases against 0 cases in United States of America as of 2023.
What is the difference in reported versus estimated cases of polio between Comoros and United States of America?: 0 cases, with Comoros ahead.
How many years of comparable data are there for Comoros and United States of America?: 44 years are reported by both, from 1980 to 2023.
How do Comoros and United States of America rank globally for reported versus estimated cases of polio?: Comoros ranks 26th and United States of America 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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Comoros vs United States of America: Reported versus estimated cases of polio. 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/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/comoros/united-states/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/comoros/united-states/">Comoros vs United States of America: 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.