Which has higher reported versus estimated cases of polio, Namibia or Sao Tome and Principe?

Namibia, at 0 cases against 0 cases in Sao Tome and Principe as of 2023.

How many years of comparable data are there for Namibia and Sao Tome and Principe?

35 years are reported by both, from 1989 to 2023.

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.

Namibia vs Sao Tome and Principe: Reported versus estimated cases of polio

Namibia

0 cases

in 2023

Sao Tome and Principe

0 cases

in 2023

Namibia rank

26th

Sao Tome and Principe rank

26th

Reported versus estimated cases of polio over time

Namibia
Sao Tome and Principe

How they compare

Namibia currently reports 0 cases against 0 cases in Sao Tome and Principe, a difference of 0 cases.

The two have swapped places 5 times across 35 shared years of data; in 1989 it was Namibia ahead.

Namibia ranks 26th and Sao Tome and Principe ranks 26th of 199 countries.

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

Head to head by decade

Decade	Namibia	Difference	Ahead
1980s	1 cases	1 cases	Namibia
1990s	8.7 cases	8.7 cases	Namibia
2000s	1.9 cases	1.9 cases	Namibia
2010s	0 cases	0 cases	—
2020s	0 cases	0 cases	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Namibia or Sao Tome and Principe?: Namibia, at 0 cases against 0 cases in Sao Tome and Principe as of 2023.
What is the difference in reported versus estimated cases of polio between Namibia and Sao Tome and Principe?: 0 cases, with Namibia ahead.
How many years of comparable data are there for Namibia and Sao Tome and Principe?: 35 years are reported by both, from 1989 to 2023.
How do Namibia and Sao Tome and Principe rank globally for reported versus estimated cases of polio?: Namibia ranks 26th and Sao Tome and Principe 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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Namibia vs Sao Tome and Principe: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 04 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/namibia/sao-tome-and-principe/

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<a href="https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/namibia/sao-tome-and-principe/">Namibia vs Sao Tome and Principe: 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: 28 August 2026

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases.