People not using improved drinking water sources in Nigeria

Nigeria: People not using improved drinking water sources was 32.13 million people in 2024. ▼ Falling

Latest (2024)
32.13 million people
Change on year
down 6.1%
World rank
3rd
of 231 countries
All-time high
59.42 million people
in 2000
All-time low
32.13 million people
in 2024
Years of data
25
2000–2024

People not using improved drinking water sources in Nigeria, 2000–2024

020.0M40.0M60.0M2000201220242000: 59.4M people2001: 59.1M people2002: 58.7M people2003: 58.2M people2004: 57.8M people2005: 57.2M people2006: 56.6M people2007: 56.0M people2008: 55.2M people2009: 54.5M people2010: 53.6M people2011: 52.7M people2012: 51.7M people2013: 50.6M people2014: 49.5M people2015: 48.1M people2016: 46.7M people2017: 45.2M people2018: 43.6M people2019: 41.9M people2020: 40.1M people2021: 38.2M people2022: 36.2M people2023: 34.2M people2024: 32.1M people

Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in people.

Analysis

Nigeria recorded 32.13 million people for people not using improved drinking water sources in 2024. That is the lowest value across all 25 years on record.

That represents a change of down 6.1% on the previous year and down 35.0% over ten years.

Over the whole period, people not using improved drinking water sources in Nigeria peaked at 59.42 million people in 2000 and was at its lowest, 32.13 million people, in 2024.

That places Nigeria 3rd out of 231 countries with data for 2024, putting it in the top 10%.

The long-run direction has been consistently falling across the 25 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 57.27 million people 54.46 million people 59.42 million people 10
2010s 48.38 million people 41.91 million people 53.62 million people 10
2020s 36.18 million people 32.13 million people 40.09 million people 5

Countries ranked near Nigeria

  1. 1 China 53.02 million people compare
  2. 2 Democratic Republic of Congo 43.93 million people compare
  3. 4 India 28.01 million people compare
  4. 5 Ethiopia 22.06 million people compare
  5. 6 Tanzania 15.46 million people compare

See the full ranking of 231 places →

More environment data for Nigeria

All data for Nigeria →

Frequently asked questions

What is people not using improved drinking water sources in Nigeria?
People not using improved drinking water sources in Nigeria was 32.13 million people in 2024, according to WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data.
What is the highest people not using improved drinking water sources recorded in Nigeria?
The highest recorded value was 59.42 million people in 2000.
What is the lowest people not using improved drinking water sources recorded in Nigeria?
The lowest recorded value was 32.13 million people in 2024.
How does Nigeria rank for people not using improved drinking water sources?
Nigeria ranks 3rd out of 231 countries with data for 2024.
Is people not using improved drinking water sources rising or falling in Nigeria?
Over the last ten years it is down 35.0%. The long-run trend across the full record is falling.
Where does this Nigeria data come from?
The figures come from WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as part of People not using improved drinking water sources. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 25 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
People not 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 not using improved drinking water sources. These people might use surface water sources or unprotected springs or wells, as no safe and reliable improved drinking water source is available to them.