What is the difference in people using improved drinking water sources between Colombia and Sierra Leone?

78,140 people, with Colombia ahead.

How many years of comparable data are there for Colombia and Sierra Leone?

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.

Colombia vs Sierra Leone: People using improved drinking water sources

Colombia

1.44 million people

in 2024

Sierra Leone

1.36 million people

in 2024

Colombia rank

39th

Sierra Leone rank

41st

People using improved drinking water sources over time

Colombia
Sierra Leone

How they compare

Colombia currently reports 1.44 million people against 1.36 million people in Sierra Leone, a difference of 78,140 people.

That makes Colombia's figure about 1.1 times Sierra Leone's.

The two have swapped places 2 times across 25 shared years of data; in 2000 it was Colombia ahead.

Colombia ranks 39th and Sierra Leone ranks 41st of 231 countries.

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

Head to head by decade

Decade	Colombia	Sierra Leone	Difference	Ahead
2000s	2.38 million people	866,487 people	1.51 million people	Colombia
2010s	1.33 million people	1.13 million people	204,286 people	Colombia
2020s	1.60 million people	1.31 million people	287,778 people	Colombia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people using improved drinking water sources, Colombia or Sierra Leone?: Colombia, at 1.44 million people against 1.36 million people in Sierra Leone as of 2024.
What is the difference in people using improved drinking water sources between Colombia and Sierra Leone?: 78,140 people, with Colombia ahead.
How many years of comparable data are there for Colombia and Sierra Leone?: 25 years are reported by both, from 2000 to 2024.
How do Colombia and Sierra Leone rank globally for people using improved drinking water sources?: Colombia ranks 39th and Sierra Leone ranks 41st 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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Colombia vs Sierra Leone: 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 10 September 2026, from https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/colombia/sierra-leone/

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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/colombia/sierra-leone/">Colombia vs Sierra Leone: 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.