What is the difference in reported versus estimated cases of polio between Guinea-Bissau and Tunisia?

0 cases, with Guinea-Bissau ahead.

How many years of comparable data are there for Guinea-Bissau and Tunisia?

43 years are reported by both, from 1980 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.

Guinea-Bissau vs Tunisia: Reported versus estimated cases of polio

Guinea-Bissau

0 cases

in 2023

Tunisia

0 cases

in 2023

Guinea-Bissau rank

26th

Tunisia rank

26th

Reported versus estimated cases of polio over time

Guinea-Bissau
Tunisia

How they compare

Guinea-Bissau currently reports 0 cases against 0 cases in Tunisia, a difference of 0 cases.

The two have swapped places 12 times across 43 shared years of data; in 1980 it was Tunisia ahead.

Guinea-Bissau ranks 26th and Tunisia ranks 26th of 199 countries.

Across the 5 decades both report, Guinea-Bissau averaged higher in 2 and Tunisia in 1.

Head to head by decade

Decade	Guinea-Bissau	Tunisia	Difference	Ahead
1980s	27 cases	14.2 cases	12.8 cases	Guinea-Bissau
1990s	0.3333 cases	0.7778 cases	0.4444 cases	Tunisia
2000s	0 cases	0 cases	0 cases	—
2010s	0 cases	0 cases	0 cases	—
2020s	0.75 cases	0 cases	0.75 cases	Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher reported versus estimated cases of polio, Guinea-Bissau or Tunisia?: Guinea-Bissau, at 0 cases against 0 cases in Tunisia as of 2023.
What is the difference in reported versus estimated cases of polio between Guinea-Bissau and Tunisia?: 0 cases, with Guinea-Bissau ahead.
How many years of comparable data are there for Guinea-Bissau and Tunisia?: 43 years are reported by both, from 1980 to 2023.
How do Guinea-Bissau and Tunisia rank globally for reported versus estimated cases of polio?: Guinea-Bissau ranks 26th and Tunisia 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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Guinea-Bissau vs Tunisia: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/guinea-bissau/tunisia/

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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/guinea-bissau/tunisia/">Guinea-Bissau vs Tunisia: 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.