Cameroon vs Sri Lanka: Reported versus estimated cases of polio

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

Reported versus estimated cases of polio over time

  • Cameroon
  • Sri Lanka
0100200300198020012023

How they compare

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

The two have swapped places 12 times across 44 shared years of data; in 1980 it was Sri Lanka ahead.

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

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

Head to head by decade

Decade Cameroon Sri Lanka Difference Ahead
1980s 156.8 cases 81.1 cases 75.7 cases Cameroon
1990s 28.9 cases 3.7 cases 25.2 cases Cameroon
2000s 2.1 cases 0 cases 2.1 cases Cameroon
2010s 1.3 cases 0 cases 1.3 cases Cameroon
2020s 3.25 cases 0 cases 3.25 cases Cameroon

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Cameroon or Sri Lanka?
Cameroon, at 0 cases against 0 cases in Sri Lanka as of 2023.
What is the difference in reported versus estimated cases of polio between Cameroon and Sri Lanka?
0 cases, with Cameroon ahead.
How many years of comparable data are there for Cameroon and Sri Lanka?
44 years are reported by both, from 1980 to 2023.
How do Cameroon and Sri Lanka rank globally for reported versus estimated cases of polio?
Cameroon ranks 26th and Sri Lanka 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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Cameroon vs Sri Lanka: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 28 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/cameroon/sri-lanka/

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