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

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.

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

Botswana

0 cases

in 2023

Guinea-Bissau

0 cases

in 2023

Botswana rank

26th

Guinea-Bissau rank

26th

Reported versus estimated cases of polio over time

Botswana
Guinea-Bissau

How they compare

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

The two have swapped places 8 times across 43 shared years of data; in 1980 it was Guinea-Bissau ahead.

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

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

Head to head by decade

Decade	Botswana	Guinea-Bissau	Difference	Ahead
1980s	2 cases	27 cases	25 cases	Guinea-Bissau
1990s	0.3333 cases	0.3333 cases	0 cases	—
2000s	0.1 cases	0 cases	0.1 cases	Botswana
2010s	0 cases	0 cases	0 cases	—
2020s	0 cases	0.75 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, Botswana or Guinea-Bissau?: Botswana, at 0 cases against 0 cases in Guinea-Bissau as of 2023.
What is the difference in reported versus estimated cases of polio between Botswana and Guinea-Bissau?: 0 cases, with Botswana ahead.
How many years of comparable data are there for Botswana and Guinea-Bissau?: 43 years are reported by both, from 1980 to 2023.
How do Botswana and Guinea-Bissau rank globally for reported versus estimated cases of polio?: Botswana ranks 26th and Guinea-Bissau 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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Botswana vs Guinea-Bissau: Reported versus estimated cases of polio. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 28 August 2026, from https://reference.statizoid.com/compare/reported-vs-estimated-total-number-of-paralytic-polio-cases-globally/botswana/guinea-bissau/

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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/botswana/guinea-bissau/">Botswana vs Guinea-Bissau: 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.