What is the difference in reported cases of paralytic polio between Iran, Islamic Republic of and South Africa?

0 cases, with Iran, Islamic Republic of ahead.

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

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

Iran, Islamic Republic of vs South Africa: Reported cases of paralytic polio

Iran, Islamic Republic of

0 cases

in 2023

South Africa

0 cases

in 2023

Iran, Islamic Republic of rank

26th

South Africa rank

26th

Reported cases of paralytic polio over time

Iran, Islamic Republic of
South Africa

How they compare

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

The two have swapped places 10 times across 44 shared years of data; in 1980 it was South Africa ahead.

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

Across the 5 decades both report, Iran, Islamic Republic of averaged higher in 2 and South Africa in 1.

Head to head by decade

Decade	Iran, Islamic Republic of	South Africa	Difference	Ahead
1980s	87.1 cases	120.9 cases	33.8 cases	South Africa
1990s	44.7 cases	11.3 cases	33.4 cases	Iran, Islamic Republic of
2000s	0.3 cases	0 cases	0.3 cases	Iran, Islamic Republic of
2010s	0 cases	0 cases	0 cases	—
2020s	0 cases	0 cases	0 cases	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported cases of paralytic polio, Iran, Islamic Republic of or South Africa?: Iran, Islamic Republic of, at 0 cases against 0 cases in South Africa as of 2023.
What is the difference in reported cases of paralytic polio between Iran, Islamic Republic of and South Africa?: 0 cases, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and South Africa?: 44 years are reported by both, from 1980 to 2023.
How do Iran, Islamic Republic of and South Africa rank globally for reported cases of paralytic polio?: Iran, Islamic Republic of ranks 26th and South Africa 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 cases of paralytic 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 South Africa: Reported cases of paralytic 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/the-number-of-reported-paralytic-polio-cases/iran-islamic-rep/south-africa/

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<a href="https://reference.statizoid.com/compare/the-number-of-reported-paralytic-polio-cases/iran-islamic-rep/south-africa/">Iran, Islamic Republic of vs South Africa: Reported cases of paralytic polio</a> — Statizoid

About this data

Indicator: Reported cases of paralytic 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.