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

42 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 Paralytic polio: estimated cases by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Guinea-Bissau vs Zambia: Paralytic polio: estimated cases by world region

Guinea-Bissau

0 cases

in 2023

Zambia

1.11 cases

in 2023

Guinea-Bissau rank

26th

Zambia rank

23rd

Paralytic polio: estimated cases by world region over time

Guinea-Bissau
Zambia

How they compare

Zambia currently reports 1.11 cases against 0 cases in Guinea-Bissau, a difference of 1.11 cases.

The two have swapped places 2 times across 42 shared years of data; in 1980 it was Zambia ahead.

Guinea-Bissau ranks 26th and Zambia ranks 23rd of 199 countries.

Across the 5 decades both report, Guinea-Bissau averaged higher in 1 and Zambia in 4.

Head to head by decade

Decade	Guinea-Bissau	Zambia	Difference	Ahead
1980s	189 cases	1,239 cases	1,050 cases	Zambia
1990s	2.62 cases	444.5 cases	441.88 cases	Zambia
2000s	0 cases	1 cases	1 cases	Zambia
2010s	0 cases	0.222 cases	0.222 cases	Zambia
2020s	1.5 cases	0.2775 cases	1.22 cases	Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher paralytic polio: estimated cases by world region, Guinea-Bissau or Zambia?: Zambia, at 1.11 cases against 0 cases in Guinea-Bissau as of 2023.
What is the difference in paralytic polio: estimated cases by world region between Guinea-Bissau and Zambia?: 1.11 cases, with Zambia ahead.
How many years of comparable data are there for Guinea-Bissau and Zambia?: 42 years are reported by both, from 1980 to 2023.
How do Guinea-Bissau and Zambia rank globally for paralytic polio: estimated cases by world region?: Guinea-Bissau ranks 26th and Zambia ranks 23rd 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 Paralytic polio: estimated cases by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Guinea-Bissau vs Zambia: Paralytic polio: estimated cases by world region. Statizoid, drawing on World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data. Retrieved 07 September 2026, from https://reference.statizoid.com/compare/number-of-estimated-paralytic-polio-cases-by-world-region/guinea-bissau/zambia/

Embed or link this data

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/number-of-estimated-paralytic-polio-cases-by-world-region/guinea-bissau/zambia/">Guinea-Bissau vs Zambia: Paralytic polio: estimated cases by world region</a> — Statizoid

About this data

Indicator: Paralytic polio: estimated cases by world region
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

Total estimated number of polio cases.