Denmark vs Portugal: Reported versus estimated cases of polio

Denmark
0 cases
in 2023
Portugal
0 cases
in 2023
Denmark rank
26th
Portugal rank
26th

Reported versus estimated cases of polio over time

  • Denmark
  • Portugal
00.20.40.60.81198020012023

How they compare

Denmark currently reports 0 cases against 0 cases in Portugal, a difference of 0 cases.

The two have swapped places 4 times across 44 shared years of data; in 1980 it was Portugal ahead.

Denmark ranks 26th and Portugal ranks 26th of 199 countries.

Head to head by decade

Decade Denmark Portugal Difference Ahead
1980s 0.2 cases 0.2 cases 0 cases
1990s 0 cases 0 cases 0 cases
2000s 0 cases 0 cases 0 cases
2010s 0 cases 0 cases 0 cases
2020s 0 cases 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, Denmark or Portugal?
Denmark, at 0 cases against 0 cases in Portugal as of 2023.
What is the difference in reported versus estimated cases of polio between Denmark and Portugal?
0 cases, with Denmark ahead.
How many years of comparable data are there for Denmark and Portugal?
44 years are reported by both, from 1980 to 2023.
How do Denmark and Portugal rank globally for reported versus estimated cases of polio?
Denmark ranks 26th and Portugal 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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Denmark vs Portugal: 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/denmark/portugal/

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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-vs-estimated-total-number-of-paralytic-polio-cases-globally/denmark/portugal/">Denmark vs Portugal: 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.