How many years of comparable data are there for Greece and Hong Kong, China?

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 People using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Greece vs Hong Kong, China: People using improved drinking water sources

Greece

0 people

in 2024

Hong Kong, China

0 people

in 2024

Greece rank

193rd

Hong Kong, China rank

193rd

People using improved drinking water sources over time

Greece
Hong Kong, China

How they compare

Greece currently reports 0 people against 0 people in Hong Kong, China, a difference of 0 people.

The two have swapped places 4 times across 25 shared years of data; in 2000 it was Hong Kong, China ahead.

Greece ranks 193rd and Hong Kong, China ranks 193rd of 231 countries.

Across the 3 decades both report, Greece averaged higher in 1 and Hong Kong, China in 2.

Head to head by decade

Decade	Greece	Hong Kong, China	Difference	Ahead
2000s	18,255 people	57,020 people	38,766 people	Hong Kong, China
2010s	3,005 people	17,805 people	14,800 people	Hong Kong, China
2020s	0.0572 people	0 people	0.0572 people	Greece

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people using improved drinking water sources, Greece or Hong Kong, China?: Greece, at 0 people against 0 people in Hong Kong, China as of 2024.
What is the difference in people using improved drinking water sources between Greece and Hong Kong, China?: 0 people, with Greece ahead.
How many years of comparable data are there for Greece and Hong Kong, China?: 25 years are reported by both, from 2000 to 2024.
How do Greece and Hong Kong, China rank globally for people using improved drinking water sources?: Greece ranks 193rd and Hong Kong, China ranks 193rd 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 using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Greece vs Hong Kong, China: People 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 13 September 2026, from https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/greece/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/greece/hong-kong-sar-china/">Greece vs Hong Kong, China: People using improved drinking water sources</a> — Statizoid

About this data

Indicator: People 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: 28 August 2026

Number of people using only unimproved drinking water sources.