Japan vs Nigeria: People using improved sanitation facilities
Japan
123.68 million people
in 2024
Nigeria
148.39 million people
in 2024
Japan rank
11th
Nigeria rank
8th
People using improved sanitation facilities over time
- Japan
- Nigeria
How they compare
Nigeria currently reports 148.39 million people against 123.68 million people in Japan, a difference of 24.70 million people.
That makes Nigeria's figure about 1.2 times Japan's.
The two have swapped places 1 time across 25 shared years of data; in 2000 it was Japan ahead.
Japan ranks 11th and Nigeria ranks 8th of 232 countries.
Across the 3 decades both report, Japan averaged higher in 2 and Nigeria in 1.
Head to head by decade
| Decade | Japan | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 127.74 million people | 78.24 million people | 49.50 million people | Japan |
| 2010s | 127.41 million people | 111.26 million people | 16.14 million people | Japan |
| 2020s | 124.96 million people | 140.42 million people | 15.46 million people | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher people using improved sanitation facilities, Japan or Nigeria?
- Nigeria, at 148.39 million people against 123.68 million people in Japan as of 2024.
- What is the difference in people using improved sanitation facilities between Japan and Nigeria?
- 24.70 million people, with Nigeria ahead.
- How many years of comparable data are there for Japan and Nigeria?
- 25 years are reported by both, from 2000 to 2024.
- How do Japan and Nigeria rank globally for people using improved sanitation facilities?
- Japan ranks 11th and Nigeria ranks 8th of 232 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 sanitation facilities. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of people using improved sanitation facilities, regardless of whether they are shared with other households.