What is the difference in reported paralytic polio cases per million between Namibia and Sri Lanka?

0 cases per million, with Namibia ahead.

How many years of comparable data are there for Namibia and Sri Lanka?

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

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.

Namibia vs Sri Lanka: Reported paralytic polio cases per million

Namibia

0 cases per million

in 2023

Sri Lanka

0 cases per million

in 2023

Namibia rank

26th

Sri Lanka rank

26th

Reported paralytic polio cases per million over time

Namibia
Sri Lanka

How they compare

Namibia currently reports 0 cases per million against 0 cases per million in Sri Lanka, a difference of 0 cases per million.

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

Namibia ranks 26th and Sri Lanka 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	Sri Lanka	Difference	Ahead
1980s	0.7764 cases per million	0.2354 cases per million	0.5409 cases per million	Namibia
1990s	5.59 cases per million	0.2103 cases per million	5.38 cases per million	Namibia
2000s	0.9564 cases per million	0 cases per million	0.9564 cases per million	Namibia
2010s	0 cases per million	0 cases per million	0 cases per million	—
2020s	0 cases per million	0 cases per million	0 cases per million	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported paralytic polio cases per million, Namibia or Sri Lanka?: Namibia, at 0 cases per million against 0 cases per million in Sri Lanka as of 2023.
What is the difference in reported paralytic polio cases per million between Namibia and Sri Lanka?: 0 cases per million, with Namibia ahead.
How many years of comparable data are there for Namibia and Sri Lanka?: 35 years are reported by both, from 1989 to 2023.
How do Namibia and Sri Lanka rank globally for reported paralytic polio cases per million?: Namibia ranks 26th and Sri Lanka 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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Namibia vs Sri Lanka: 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 29 September 2026, from https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/namibia/sri-lanka/

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Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://reference.statizoid.com/compare/reported-paralytic-polio-cases-per-1-million-people/namibia/sri-lanka/">Namibia vs Sri Lanka: 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: 18 September 2026

Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases per million people.