What is the difference in people using improved drinking water sources between Colombia and Sri Lanka?

78,240 people, with Sri Lanka ahead.

How many years of comparable data are there for Colombia and Sri Lanka?

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 Sri Lanka: People using improved drinking water sources

Colombia

1.44 million people

in 2024

Sri Lanka

1.52 million people

in 2024

Colombia rank

39th

Sri Lanka rank

37th

People using improved drinking water sources over time

Colombia
Sri Lanka

How they compare

Sri Lanka currently reports 1.52 million people against 1.44 million people in Colombia, a difference of 78,240 people.

That makes Sri Lanka's figure about 1.1 times Colombia's.

The two have swapped places 3 times across 25 shared years of data; in 2000 it was Colombia ahead.

Colombia ranks 39th and Sri Lanka ranks 37th of 231 countries.

Across the 3 decades both report, Colombia averaged higher in 2 and Sri Lanka in 1.

Head to head by decade

Decade	Colombia	Sri Lanka	Difference	Ahead
2000s	2.38 million people	2.08 million people	300,752 people	Colombia
2010s	1.33 million people	1.80 million people	470,123 people	Sri Lanka
2020s	1.60 million people	1.56 million people	42,968 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 Sri Lanka?: Sri Lanka, at 1.52 million people against 1.44 million people in Colombia as of 2024.
What is the difference in people using improved drinking water sources between Colombia and Sri Lanka?: 78,240 people, with Sri Lanka ahead.
How many years of comparable data are there for Colombia and Sri Lanka?: 25 years are reported by both, from 2000 to 2024.
How do Colombia and Sri Lanka rank globally for people using improved drinking water sources?: Colombia ranks 39th and Sri Lanka ranks 37th 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.

Individual pages

Share, cite or embed this page

Cite this page

Colombia vs Sri Lanka: 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 11 September 2026, from https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/colombia/sri-lanka/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://environment.statizoid.com/compare/number-of-people-in-the-world-with-and-without-access-to-improved-water-sources/colombia/sri-lanka/">Colombia vs Sri Lanka: 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.