How many years of comparable data are there for Hong Kong and Romania?

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.

Hong Kong vs Romania: Share of the population using improved water sources

Hong Kong

100.0%

in 2024

Romania

100.0%

in 2024

Hong Kong rank

1st

Romania rank

1st

Share of the population using improved water sources over time

Hong Kong
Romania

How they compare

Hong Kong currently reports 100.0% against 100.0% in Romania, a difference of 0.0%.

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

Hong Kong ranks 1st and Romania ranks 1st of 231 countries.

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

Head to head by decade

Decade	Hong Kong	Romania	Difference	Ahead
2000s	99.2%	100.0%	0.8%	Romania
2010s	99.8%	100.0%	0.2%	Romania
2020s	100.0%	100.0%	0.0%	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of the population using improved water sources, Hong Kong or Romania?: Hong Kong, at 100.0% against 100.0% in Romania as of 2024.
What is the difference in share of the population using improved water sources between Hong Kong and Romania?: 0.0%, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Romania?: 25 years are reported by both, from 2000 to 2024.
How do Hong Kong and Romania rank globally for share of the population using improved water sources?: Hong Kong ranks 1st and Romania 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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Hong Kong vs Romania: 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 01 September 2026, from https://environment.statizoid.com/compare/share-of-the-population-using-improved-water-sources-wash/hong-kong-sar-china/romania/

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<a href="https://environment.statizoid.com/compare/share-of-the-population-using-improved-water-sources-wash/hong-kong-sar-china/romania/">Hong Kong vs Romania: 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.