Sierra Leone vs Tanzania, United Republic of: Reported paralytic polio cases per 1 million people

Sierra Leone
0
in 2023
Tanzania, United Republic of
0.0297
in 2023
Sierra Leone rank
26th
Tanzania, United Republic of rank
23rd

Reported paralytic polio cases per 1 million people over time

  • Sierra Leone
  • Tanzania, United Republic of
0102030198020012023

How they compare

Tanzania, United Republic of currently reports 0.0297 against 0 in Sierra Leone, a difference of 0.0297.

The two have swapped places 10 times across 42 shared years of data; in 1980 it was Tanzania, United Republic of ahead.

Sierra Leone ranks 26th and Tanzania, United Republic of ranks 23rd of 196 countries.

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

Head to head by decade

Decade Sierra Leone Tanzania, United Republic of Difference Ahead
1980s 10.4 6.84 3.56 Sierra Leone
1990s 3.69 0.4083 3.29 Sierra Leone
2000s 0.9174 0 0.9174 Sierra Leone
2010s 0.0155 0 0.0155 Sierra Leone
2020s 0.4521 0.0074 0.4447 Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported paralytic polio cases per 1 million people, Sierra Leone or Tanzania, United Republic of?
Tanzania, United Republic of, at 0.0297 against 0 in Sierra Leone as of 2023.
What is the difference in reported paralytic polio cases per 1 million people between Sierra Leone and Tanzania, United Republic of?
0.0297, with Tanzania, United Republic of ahead.
How many years of comparable data are there for Sierra Leone and Tanzania, United Republic of?
42 years are reported by both, from 1980 to 2023.
How do Sierra Leone and Tanzania, United Republic of rank globally for reported paralytic polio cases per 1 million people?
Sierra Leone ranks 26th and Tanzania, United Republic of ranks 23rd of 196 countries.
Where does this data come from?
Our World in Data, published as Reported paralytic polio cases per 1 million people. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tanzania, United Republic of: Reported paralytic polio cases per 1 million people. Statizoid, drawing on Our World in Data. Retrieved 24 August 2026, from https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/sierra-leone/tanzania/

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About this data

Indicator
Reported paralytic polio cases per 1 million people
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
199 places, 7,608 data points, 1980–2023
Last refreshed