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

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.

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

Brazil

100.0%

in 2024

Hong Kong

100.0%

in 2024

Brazil rank

1st

Hong Kong rank

1st

Share of the population using improved water sources over time

Brazil
Hong Kong

How they compare

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

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

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

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

Head to head by decade

Decade	Brazil	Hong Kong	Difference	Ahead
2000s	95.5%	99.2%	3.7%	Hong Kong
2010s	98.1%	99.8%	1.6%	Hong Kong
2020s	99.7%	100.0%	0.3%	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of the population using improved water sources, Brazil or Hong Kong?: Brazil, at 100.0% against 100.0% in Hong Kong as of 2024.
What is the difference in share of the population using improved water sources between Brazil and Hong Kong?: 0.0%, with Brazil ahead.
How many years of comparable data are there for Brazil and Hong Kong?: 25 years are reported by both, from 2000 to 2024.
How do Brazil and Hong Kong rank globally for share of the population using improved water sources?: Brazil ranks 1st and Hong Kong 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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Brazil vs Hong Kong: 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 02 September 2026, from https://environment.statizoid.com/compare/share-of-the-population-using-improved-water-sources-wash/brazil/hong-kong-sar-china/

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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.