El Salvador vs Liberia: Reported paralytic polio cases per million

El Salvador
0 cases per million
in 2023
Liberia
0 cases per million
in 2023
El Salvador rank
26th
Liberia rank
26th

Reported paralytic polio cases per million over time

  • El Salvador
  • Liberia
0204060198020012023

How they compare

El Salvador currently reports 0 cases per million against 0 cases per million in Liberia, a difference of 0 cases per million.

The two have swapped places 4 times across 42 shared years of data; in 1980 it was Liberia ahead.

El Salvador ranks 26th and Liberia ranks 26th of 199 countries.

Across the 5 decades both report, El Salvador averaged higher in 1 and Liberia in 4.

Head to head by decade

Decade El Salvador Liberia Difference Ahead
1980s 7.9 cases per million 6.89 cases per million 1.01 cases per million El Salvador
1990s 0 cases per million 2.52 cases per million 2.52 cases per million Liberia
2000s 0 cases per million 0.2817 cases per million 0.2817 cases per million Liberia
2010s 0 cases per million 0.0498 cases per million 0.0498 cases per million Liberia
2020s 0 cases per million 0.1444 cases per million 0.1444 cases per million Liberia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported paralytic polio cases per million, El Salvador or Liberia?
El Salvador, at 0 cases per million against 0 cases per million in Liberia as of 2023.
What is the difference in reported paralytic polio cases per million between El Salvador and Liberia?
0 cases per million, with El Salvador ahead.
How many years of comparable data are there for El Salvador and Liberia?
42 years are reported by both, from 1980 to 2023.
How do El Salvador and Liberia rank globally for reported paralytic polio cases per million?
El Salvador ranks 26th and Liberia ranks 26th of 199 countries.
Where does this data come from?
World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data, published as Reported paralytic polio cases per million. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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El Salvador vs Liberia: Reported paralytic polio cases per million. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data. Retrieved 30 August 2026, from https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/el-salvador/liberia/

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<a href="https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/el-salvador/liberia/">El Salvador vs Liberia: Reported paralytic polio cases per million</a> — Statizoid

About this data

Indicator
Reported paralytic polio cases per million
Unit
cases per million
Source
World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing 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 per million people.