People not using safely managed sanitation facilities in Nigeria
Nigeria: People not using safely managed sanitation facilities was 157.74 million people in 2024. ▲ Rising
People not using safely managed sanitation facilities in Nigeria, 2000–2024
Source: WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for people not using safely managed sanitation facilities in Nigeria is 157.74 million people, measured in 2024. That is the highest value across all 25 years on record.
The figure is up 2.0% on the previous year and up 15.5% over ten years.
Over the whole period, people not using safely managed sanitation facilities in Nigeria peaked at 157.74 million people in 2024 and was at its lowest, 100.48 million people, in 2000.
Nigeria ranks 3rd of 150 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 25 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 111.82 million people | 100.48 million people | 123.24 million people | 10 |
| 2010s | 137.37 million people | 125.92 million people | 147.66 million people | 10 |
| 2020s | 153.22 million people | 149.49 million people | 157.74 million people | 5 |
Countries ranked near Nigeria
More reference data data for Nigeria
- Spring temperature anomalies 0.3216 °C (2026)
- Summer temperature anomalies 0.3105 °C (2026)
- Temperature anomalies by month 1.8 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.4187 °C (2025)
- Winter temperature anomalies 1.76 °C (2025)
- Consumer price index 860.32 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 0 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is people not using safely managed sanitation facilities in Nigeria?
- People not using safely managed sanitation facilities in Nigeria was 157.74 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 safely managed sanitation facilities recorded in Nigeria?
- The highest recorded value was 157.74 million people in 2024.
- What is the lowest people not using safely managed sanitation facilities recorded in Nigeria?
- The lowest recorded value was 100.48 million people in 2000.
- How does Nigeria rank for people not using safely managed sanitation facilities?
- Nigeria ranks 3rd out of 150 countries with data for 2024.
- Is people not using safely managed sanitation facilities rising or falling in Nigeria?
- Over the last ten years it is up 15.5%. The long-run trend across the full record is rising.
- 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 safely managed sanitation facilities. 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
People not using safely managed sanitation services might practice open defecation, use unimproved sanitation facilities, or use improved facilities that do not safely manage human waste.