Sierra Leone vs Zambia: Poliomyelitis - number of reported cases

Sierra Leone
0
in 2018
Zambia
0
in 2018
Sierra Leone rank
8th
Zambia rank
8th

Poliomyelitis - number of reported cases over time

  • Sierra Leone
  • Zambia
0100200300400198019992018

How they compare

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

The two have swapped places 6 times across 37 shared years of data; in 1980 it was Zambia ahead.

Sierra Leone ranks 8th and Zambia ranks 8th of 193 countries.

Across the 4 decades both report, Sierra Leone averaged higher in 2 and Zambia in 2.

Head to head by decade

Decade Sierra Leone Zambia Difference Ahead
1980s 39.3 177 137.7 Zambia
1990s 9 64.25 55.25 Zambia
2000s 4.5 0.5 4 Sierra Leone
2010s 0.1111 0 0.1111 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher poliomyelitis - number of reported cases, Sierra Leone or Zambia?
Sierra Leone, at 0 against 0 in Zambia as of 2018.
What is the difference in poliomyelitis - number of reported cases between Sierra Leone and Zambia?
0, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Zambia?
37 years are reported by both, from 1980 to 2018.
How do Sierra Leone and Zambia rank globally for poliomyelitis - number of reported cases?
Sierra Leone ranks 8th and Zambia ranks 8th of 193 countries.
Where does this data come from?
World Health Organization, Global Health Observatory, published as Poliomyelitis - number of reported cases. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Zambia: Poliomyelitis - number of reported cases. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 06 September 2026, from https://health.statizoid.com/compare/poliomyelitis-number-of-reported-cases/sierra-leone/zambia/

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About this data

Indicator
Poliomyelitis - number of reported cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
202 places, 7,181 data points, 1980–2018
Last refreshed