Cameroon vs Sierra Leone: Paralytic polio: estimated cases by world region

Cameroon
0 cases
in 2023
Sierra Leone
0 cases
in 2023
Cameroon rank
26th
Sierra Leone rank
26th

Paralytic polio: estimated cases by world region over time

  • Cameroon
  • Sierra Leone
05001.0k1.5k2.0k2.5k198020012023

How they compare

Cameroon currently reports 0 cases against 0 cases in Sierra Leone, a difference of 0 cases.

The two have swapped places 9 times across 43 shared years of data; in 1980 it was Cameroon ahead.

Cameroon ranks 26th and Sierra Leone ranks 26th of 199 countries.

Across the 5 decades both report, Cameroon averaged higher in 3 and Sierra Leone in 2.

Head to head by decade

Decade Cameroon Sierra Leone Difference Ahead
1980s 1,098 cases 275.1 cases 822.5 cases Cameroon
1990s 185.11 cases 100.33 cases 84.78 cases Cameroon
2000s 3.67 cases 25.02 cases 21.36 cases Sierra Leone
2010s 1.89 cases 0.111 cases 1.78 cases Cameroon
2020s 5.83 cases 7.5 cases 1.67 cases Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher paralytic polio: estimated cases by world region, Cameroon or Sierra Leone?
Cameroon, at 0 cases against 0 cases in Sierra Leone as of 2023.
What is the difference in paralytic polio: estimated cases by world region between Cameroon and Sierra Leone?
0 cases, with Cameroon ahead.
How many years of comparable data are there for Cameroon and Sierra Leone?
43 years are reported by both, from 1980 to 2023.
How do Cameroon and Sierra Leone rank globally for paralytic polio: estimated cases by world region?
Cameroon ranks 26th and Sierra Leone 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 Paralytic polio: estimated cases by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Cameroon vs Sierra Leone: Paralytic polio: estimated cases by world region. 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/number-of-estimated-paralytic-polio-cases-by-world-region/cameroon/sierra-leone/

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Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/number-of-estimated-paralytic-polio-cases-by-world-region/cameroon/sierra-leone/">Cameroon vs Sierra Leone: Paralytic polio: estimated cases by world region</a> — Statizoid

About this data

Indicator
Paralytic polio: estimated cases by world region
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

Total estimated number of polio cases.