Sri Lanka vs Sudan: Reported versus estimated cases of polio

Sri Lanka
0 cases
in 2023
Sudan
0 cases
in 2023
Sri Lanka rank
26th
Sudan rank
26th

Reported versus estimated cases of polio over time

  • Sri Lanka
  • Sudan
01.0k2.0k3.0k4.0k198020012023

How they compare

Sri Lanka currently reports 0 cases against 0 cases in Sudan, a difference of 0 cases.

The two have swapped places 6 times across 44 shared years of data; in 1980 it was Sudan ahead.

Sri Lanka ranks 26th and Sudan ranks 26th of 199 countries.

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

Head to head by decade

Decade Sri Lanka Sudan Difference Ahead
1980s 81.1 cases 506.5 cases 425.4 cases Sudan
1990s 3.7 cases 53.4 cases 49.7 cases Sudan
2000s 0 cases 30.6 cases 30.6 cases Sudan
2010s 0 cases 0 cases 0 cases
2020s 0 cases 15 cases 15 cases Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Sri Lanka or Sudan?
Sri Lanka, at 0 cases against 0 cases in Sudan as of 2023.
What is the difference in reported versus estimated cases of polio between Sri Lanka and Sudan?
0 cases, with Sri Lanka ahead.
How many years of comparable data are there for Sri Lanka and Sudan?
44 years are reported by both, from 1980 to 2023.
How do Sri Lanka and Sudan rank globally for reported versus estimated cases of polio?
Sri Lanka ranks 26th and Sudan 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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Sri Lanka vs Sudan: 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/sri-lanka/sudan/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/sri-lanka/sudan/">Sri Lanka vs Sudan: 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.