Indonesia vs Nigeria: People using improved drinking water sources

Indonesia
11.00 million people
in 2024
Nigeria
23.34 million people
in 2024
Indonesia rank
6th
Nigeria rank
3rd

People using improved drinking water sources over time

  • Indonesia
  • Nigeria
10.0M20.0M30.0M40.0M200020122024

How they compare

Nigeria currently reports 23.34 million people against 11.00 million people in Indonesia, a difference of 12.34 million people.

That makes Nigeria's figure about 2.1 times Indonesia's.

The two have swapped places 1 time across 25 shared years of data; in 2000 it was Indonesia ahead.

Indonesia ranks 6th and Nigeria ranks 3rd of 231 countries.

Across the 3 decades both report, Indonesia averaged higher in 1 and Nigeria in 2.

Head to head by decade

Decade Indonesia Nigeria Difference Ahead
2000s 38.18 million people 30.15 million people 8.03 million people Indonesia
2010s 23.58 million people 28.65 million people 5.07 million people Nigeria
2020s 12.11 million people 24.80 million people 12.69 million people Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher people using improved drinking water sources, Indonesia or Nigeria?
Nigeria, at 23.34 million people against 11.00 million people in Indonesia as of 2024.
What is the difference in people using improved drinking water sources between Indonesia and Nigeria?
12.34 million people, with Nigeria ahead.
How many years of comparable data are there for Indonesia and Nigeria?
25 years are reported by both, from 2000 to 2024.
How do Indonesia and Nigeria rank globally for people using improved drinking water sources?
Indonesia ranks 6th and Nigeria ranks 3rd 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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Indonesia vs Nigeria: 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/indonesia/nigeria/

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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/indonesia/nigeria/">Indonesia vs Nigeria: 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

Number of people using only unimproved drinking water sources.