How many years of comparable data are there for Lao People's Democratic Republic 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.

Lao People's Democratic Republic vs Zambia: Paralytic polio: estimated cases by world region

Lao People's Democratic Republic

0 cases

in 2023

Zambia

1.11 cases

in 2023

Lao People's Democratic Republic rank

26th

Zambia rank

23rd

Paralytic polio: estimated cases by world region over time

Lao People's Democratic Republic
Zambia

How they compare

Zambia currently reports 1.11 cases against 0 cases in Lao People's Democratic Republic, a difference of 1.11 cases.

The two have swapped places 9 times across 42 shared years of data; in 1980 it was Lao People's Democratic Republic ahead.

Lao People's Democratic Republic ranks 26th and Zambia ranks 23rd of 199 countries.

Across the 5 decades both report, Lao People's Democratic Republic averaged higher in 2 and Zambia in 3.

Head to head by decade

Decade	Lao People's Democratic Republic	Zambia	Difference	Ahead
1980s	2,084 cases	1,043 cases	1,041 cases	Lao People's Democratic Republic
1990s	52.11 cases	399.78 cases	347.67 cases	Zambia
2000s	0 cases	1 cases	1 cases	Zambia
2010s	2.2 cases	0.222 cases	1.98 cases	Lao People's Democratic Republic
2020s	0 cases	0.2775 cases	0.2775 cases	Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher paralytic polio: estimated cases by world region, Lao People's Democratic Republic or Zambia?: Zambia, at 1.11 cases against 0 cases in Lao People's Democratic Republic as of 2023.
What is the difference in paralytic polio: estimated cases by world region between Lao People's Democratic Republic and Zambia?: 1.11 cases, with Zambia ahead.
How many years of comparable data are there for Lao People's Democratic Republic and Zambia?: 42 years are reported by both, from 1980 to 2023.
How do Lao People's Democratic Republic and Zambia rank globally for paralytic polio: estimated cases by world region?: Lao People's Democratic Republic 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.

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Lao People's Democratic Republic 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 04 September 2026, from https://reference.statizoid.com/compare/number-of-estimated-paralytic-polio-cases-by-world-region/lao-pdr/zambia/

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<a href="https://reference.statizoid.com/compare/number-of-estimated-paralytic-polio-cases-by-world-region/lao-pdr/zambia/">Lao People's Democratic Republic 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.