Iraq vs Japan: Reported versus estimated cases of polio

Iraq
0 cases
in 2023
Japan
0 cases
in 2023
Iraq rank
26th
Japan rank
26th

Reported versus estimated cases of polio over time

  • Iraq
  • Japan
02004006008001.0k198020012023

How they compare

Iraq currently reports 0 cases against 0 cases in Japan, a difference of 0 cases.

The two have swapped places 3 times across 43 shared years of data; in 1980 it was Iraq ahead.

Iraq ranks 26th and Japan ranks 26th of 199 countries.

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

Head to head by decade

Decade Iraq Japan Difference Ahead
1980s 261.3 cases 0.7 cases 260.6 cases Iraq
1990s 75.56 cases 0 cases 75.56 cases Iraq
2000s 0.4 cases 0 cases 0.4 cases Iraq
2010s 0.2 cases 0 cases 0.2 cases Iraq
2020s 0 cases 0 cases 0 cases

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Iraq or Japan?
Iraq, at 0 cases against 0 cases in Japan as of 2023.
What is the difference in reported versus estimated cases of polio between Iraq and Japan?
0 cases, with Iraq ahead.
How many years of comparable data are there for Iraq and Japan?
43 years are reported by both, from 1980 to 2023.
How do Iraq and Japan rank globally for reported versus estimated cases of polio?
Iraq ranks 26th and Japan 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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Iraq vs Japan: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 30 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/iraq/japan/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/iraq/japan/">Iraq vs Japan: 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

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.