What is the difference in reported versus estimated cases of polio between Iran, Islamic Republic of and Jamaica?

0 cases, with Iran, Islamic Republic of ahead.

How many years of comparable data are there for Iran, Islamic Republic of and Jamaica?

21 years are reported by both, from 1980 to 2000.

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.

Iran, Islamic Republic of vs Jamaica: Reported versus estimated cases of polio

Iran, Islamic Republic of

0 cases

in 2023

Jamaica

0 cases

in 2000

Iran, Islamic Republic of rank

26th

Jamaica rank

26th

Reported versus estimated cases of polio over time

Iran, Islamic Republic of
Jamaica

How they compare

Iran, Islamic Republic of currently reports 0 cases against 0 cases in Jamaica, a difference of 0 cases.

Across all 21 years both countries report, Iran, Islamic Republic of has been ahead every year.

Iran, Islamic Republic of ranks 26th and Jamaica ranks 26th of 199 countries.

Iran, Islamic Republic of has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Jamaica	Difference	Ahead
1980s	87.1 cases	6 cases	81.1 cases	Iran, Islamic Republic of
1990s	44.7 cases	0 cases	44.7 cases	Iran, Islamic Republic of
2000s	3 cases	0 cases	3 cases	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Iran, Islamic Republic of or Jamaica?: Iran, Islamic Republic of, at 0 cases against 0 cases in Jamaica as of 2023.
What is the difference in reported versus estimated cases of polio between Iran, Islamic Republic of and Jamaica?: 0 cases, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Jamaica?: 21 years are reported by both, from 1980 to 2000.
How do Iran, Islamic Republic of and Jamaica rank globally for reported versus estimated cases of polio?: Iran, Islamic Republic of ranks 26th and Jamaica 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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Iran, Islamic Republic of vs Jamaica: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/iran-islamic-rep/jamaica/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/iran-islamic-rep/jamaica/">Iran, Islamic Republic of vs Jamaica: 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.