Niger is the country with the least access to sanitation services worldwide. In 2022, some ** percent of Nigerien population still defecated in the open. This was followed by neighboring country Chad, where about ** percent of the people defecated in the open. That year, **** percent of the world's population only had access to open defecation sanitation services.
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WHO, & UNICEF. (July 5, 2023). Countries with the least access to sanitation services worldwide in 2022 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 16, 2026, from /statistics/952388/countries-least-sanitations-services/
WHO, und UNICEF. "Countries with the least access to sanitation services worldwide in 2022." Chart. July 5, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 16, 2026. /statistics/952388/countries-least-sanitations-services/
WHO, UNICEF. (2023). Countries with the least access to sanitation services worldwide in 2022. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 16, 2026. /statistics/952388/countries-least-sanitations-services/
WHO, and UNICEF. "Countries with The Least Access to Sanitation Services Worldwide in 2022." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 5 Jul 2023, /statistics/952388/countries-least-sanitations-services/
WHO & UNICEF, Countries with the least access to sanitation services worldwide in 2022 ÌÇÐÄÆƽâ°æ, /statistics/952388/countries-least-sanitations-services/ (last visited July 16, 2026)
Countries with the least access to sanitation services worldwide in 2022 [Graph], WHO, & UNICEF, July 5, 2023. [Online]. Available: /statistics/952388/countries-least-sanitations-services/
