Myanmar vs Sierra Leone: Reported versus estimated cases of polio

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

Reported versus estimated cases of polio over time

  • Myanmar
  • Sierra Leone
0100200300198020012023

How they compare

Myanmar 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 Myanmar ahead.

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

Across the 5 decades both report, Myanmar averaged higher in 4 and Sierra Leone in 1.

Head to head by decade

Decade Myanmar Sierra Leone Difference Ahead
1980s 159.3 cases 39.3 cases 120 cases Myanmar
1990s 43.89 cases 14.33 cases 29.56 cases Myanmar
2000s 6 cases 4.5 cases 1.5 cases Myanmar
2010s 0.8 cases 0.1 cases 0.7 cases Myanmar
2020s 0 cases 3.75 cases 3.75 cases Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Myanmar or Sierra Leone?
Myanmar, at 0 cases against 0 cases in Sierra Leone as of 2023.
What is the difference in reported versus estimated cases of polio between Myanmar and Sierra Leone?
0 cases, with Myanmar ahead.
How many years of comparable data are there for Myanmar and Sierra Leone?
43 years are reported by both, from 1980 to 2023.
How do Myanmar and Sierra Leone rank globally for reported versus estimated cases of polio?
Myanmar 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 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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Myanmar vs Sierra Leone: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/myanmar/sierra-leone/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/myanmar/sierra-leone/">Myanmar vs Sierra Leone: 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.