Cameroon vs Tajikistan: Reported versus estimated cases of polio

Cameroon
0 cases
in 2023
Tajikistan
0 cases
in 2023
Cameroon rank
26th
Tajikistan rank
26th

Reported versus estimated cases of polio over time

  • Cameroon
  • Tajikistan
0100200300400500198020012023

How they compare

Cameroon currently reports 0 cases against 0 cases in Tajikistan, a difference of 0 cases.

The two have swapped places 14 times across 33 shared years of data; in 1991 it was Tajikistan ahead.

Cameroon ranks 26th and Tajikistan ranks 26th of 199 countries.

Across the 4 decades both report, Cameroon averaged higher in 2 and Tajikistan in 2.

Head to head by decade

Decade Cameroon Tajikistan Difference Ahead
1990s 27.89 cases 17.89 cases 10 cases Cameroon
2000s 2.1 cases 0 cases 2.1 cases Cameroon
2010s 1.3 cases 46 cases 44.7 cases Tajikistan
2020s 3.25 cases 9 cases 5.75 cases Tajikistan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Cameroon or Tajikistan?
Cameroon, at 0 cases against 0 cases in Tajikistan as of 2023.
What is the difference in reported versus estimated cases of polio between Cameroon and Tajikistan?
0 cases, with Cameroon ahead.
How many years of comparable data are there for Cameroon and Tajikistan?
33 years are reported by both, from 1991 to 2023.
How do Cameroon and Tajikistan rank globally for reported versus estimated cases of polio?
Cameroon ranks 26th and Tajikistan 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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Cameroon vs Tajikistan: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 01 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/cameroon/tajikistan/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/cameroon/tajikistan/">Cameroon vs Tajikistan: 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.