Poland vs Zambia: People not using improved drinking water sources

Poland
3.81 million people
in 2024
Zambia
4.16 million people
in 2024
Poland rank
23rd
Zambia rank
21st

People not using improved drinking water sources over time

  • Poland
  • Zambia
1.0M2.0M3.0M4.0M5.0M200020122024

How they compare

Zambia currently reports 4.16 million people against 3.81 million people in Poland, a difference of 358,990 people.

That makes Zambia's figure about 1.1 times Poland's.

Across all 20 years both countries report, Zambia has been ahead every year.

Poland ranks 23rd and Zambia ranks 21st of 231 countries.

Zambia has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Poland Zambia Difference Ahead
2000s 672,399 people 5.10 million people 4.42 million people Zambia
2010s 1.82 million people 4.96 million people 3.14 million people Zambia
2020s 3.39 million people 4.40 million people 1.01 million people Zambia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people not using improved drinking water sources, Poland or Zambia?
Zambia, at 4.16 million people against 3.81 million people in Poland as of 2024.
What is the difference in people not using improved drinking water sources between Poland and Zambia?
358,990 people, with Zambia ahead.
How many years of comparable data are there for Poland and Zambia?
20 years are reported by both, from 2005 to 2024.
How do Poland and Zambia rank globally for people not using improved drinking water sources?
Poland ranks 23rd and Zambia ranks 21st of 231 countries.
Where does this data come from?
WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as People not using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Poland vs Zambia: People not using improved drinking water sources. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 22 September 2026, from https://environment.statizoid.com/compare/number-without-improved-water/poland/zambia/

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About this data

Indicator
People not using improved drinking water sources
Unit
people
Source
WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
231 places, 5,586 data points, 2000–2024
Last refreshed

Number of people not using improved drinking water sources. These people might use surface water sources or unprotected springs or wells, as no safe and reliable improved drinking water source is available to them.