How many years of comparable data are there for Senegal 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.

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

Senegal

0 cases

in 2023

United States of America

0 cases

in 2023

Senegal rank

26th

United States of America rank

26th

Reported versus estimated cases of polio over time

Senegal
United States of America

How they compare

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

The two have swapped places 5 times across 44 shared years of data; in 1980 it was Senegal ahead.

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

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

Head to head by decade

Decade	Senegal	United States of America	Difference	Ahead
1980s	123.1 cases	6.1 cases	117 cases	Senegal
1990s	4.1 cases	0 cases	4.1 cases	Senegal
2000s	0 cases	0 cases	0 cases	—
2010s	1.8 cases	0 cases	1.8 cases	Senegal
2020s	3.5 cases	0.25 cases	3.25 cases	Senegal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Senegal or United States of America?: Senegal, 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 Senegal and United States of America?: 0 cases, with Senegal ahead.
How many years of comparable data are there for Senegal and United States of America?: 44 years are reported by both, from 1980 to 2023.
How do Senegal and United States of America rank globally for reported versus estimated cases of polio?: Senegal 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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Senegal 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 03 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/senegal/united-states/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/senegal/united-states/">Senegal 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.