China vs Liberia: Reported versus estimated cases of polio

China
0 cases
in 2023
Liberia
0 cases
in 2023
China rank
26th
Liberia rank
26th

Reported versus estimated cases of polio over time

  • China
  • Liberia
02.0k4.0k6.0k8.0k10.0k198020012023

How they compare

China currently reports 0 cases against 0 cases in Liberia, a difference of 0 cases.

The two have swapped places 7 times across 42 shared years of data; in 1980 it was China ahead.

China ranks 26th and Liberia ranks 26th of 199 countries.

Across the 5 decades both report, China averaged higher in 3 and Liberia in 2.

Head to head by decade

Decade China Liberia Difference Ahead
1980s 3,937 cases 14 cases 3,923 cases China
1990s 284.25 cases 6.62 cases 277.62 cases China
2000s 0.2 cases 1.1 cases 0.9 cases Liberia
2010s 2.4 cases 0.2 cases 2.2 cases China
2020s 0 cases 0.75 cases 0.75 cases Liberia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, China or Liberia?
China, at 0 cases against 0 cases in Liberia as of 2023.
What is the difference in reported versus estimated cases of polio between China and Liberia?
0 cases, with China ahead.
How many years of comparable data are there for China and Liberia?
42 years are reported by both, from 1980 to 2023.
How do China and Liberia rank globally for reported versus estimated cases of polio?
China ranks 26th and Liberia 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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China vs Liberia: Reported versus estimated cases of polio. 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/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/china/liberia/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/china/liberia/">China vs Liberia: Reported versus estimated cases of polio</a> β€” 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.