How many years of comparable data are there for Estonia and Slovakia?

25 years are reported by both, from 2000 to 2024.

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 Share of the population using improved water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Estonia vs Slovakia: Share of the population using improved water sources

Estonia

100.0%

in 2024

Slovakia

100.0%

in 2024

Estonia rank

1st

Slovakia rank

1st

Share of the population using improved water sources over time

Estonia
Slovakia

How they compare

Estonia currently reports 100.0% against 100.0% in Slovakia, a difference of 0.0%.

Across all 25 years both countries report, Slovakia has been ahead every year.

Estonia ranks 1st and Slovakia ranks 1st of 231 countries.

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

Head to head by decade

Decade	Estonia	Slovakia	Difference	Ahead
2000s	98.1%	100.0%	1.9%	Slovakia
2010s	99.6%	100.0%	0.4%	Slovakia
2020s	100.0%	100.0%	0.0%	Slovakia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of the population using improved water sources, Estonia or Slovakia?: Estonia, at 100.0% against 100.0% in Slovakia as of 2024.
What is the difference in share of the population using improved water sources between Estonia and Slovakia?: 0.0%, with Estonia ahead.
How many years of comparable data are there for Estonia and Slovakia?: 25 years are reported by both, from 2000 to 2024.
How do Estonia and Slovakia rank globally for share of the population using improved water sources?: Estonia ranks 1st and Slovakia ranks 1st 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 Share of the population using improved water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Estonia vs Slovakia: Share of the population using improved water sources. Statizoid, drawing on WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Retrieved 29 August 2026, from https://environment.statizoid.com/compare/share-of-the-population-using-improved-water-sources-wash/estonia/slovak-republic/

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<a href="https://environment.statizoid.com/compare/share-of-the-population-using-improved-water-sources-wash/estonia/slovak-republic/">Estonia vs Slovakia: Share of the population using improved water sources</a> — Statizoid

About this data

Indicator: Share of the population using improved water sources
Unit: %
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: 28 August 2026

Proportion of people who use an improved drinking water source, regardless of collection time. An improved drinking water source is a safely designed drinking water source and includes e.g. piped water, boreholes or tubewells and packaged or delivered water.