How many years of comparable data are there for Peru 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.

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

Peru

0 cases

in 2023

United States of America

0 cases

in 2023

Peru rank

26th

United States of America rank

26th

Reported versus estimated cases of polio over time

Peru
United States of America

How they compare

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

The two have swapped places 1 time across 44 shared years of data; in 1980 it was Peru ahead.

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

Across the 5 decades both report, Peru averaged higher in 2 and United States of America in 1.

Head to head by decade

Decade	Peru	United States of America	Difference	Ahead
1980s	121.3 cases	6.1 cases	115.2 cases	Peru
1990s	0.4 cases	0 cases	0.4 cases	Peru
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, Peru or United States of America?: Peru, 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 Peru and United States of America?: 0 cases, with Peru ahead.
How many years of comparable data are there for Peru and United States of America?: 44 years are reported by both, from 1980 to 2023.
How do Peru and United States of America rank globally for reported versus estimated cases of polio?: Peru 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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Peru 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/peru/united-states/

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