Globally, 42.2 percent of wastewater flow generated by households was not safely treated in 2022. There are considerable regional disparities for wastewater treatment worldwide. 86.5 percent of household wastewater flow is treated safely in North America and Europe, but less than 25 percent is treated safely in Sub-Saharan Africa and Central and Southern Asia.
Proportion of domestic wastewater flow safely treated worldwide in 2022, by region
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UN-Water. (May 17, 2023). Proportion of domestic wastewater flow safely treated worldwide in 2022, by region [Graph]. In Statista. Retrieved September 19, 2024, from https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/
UN-Water. "Proportion of domestic wastewater flow safely treated worldwide in 2022, by region." Chart. May 17, 2023. Statista. Accessed September 19, 2024. https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/
UN-Water. (2023). Proportion of domestic wastewater flow safely treated worldwide in 2022, by region. Statista. Statista Inc.. Accessed: September 19, 2024. https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/
UN-Water. "Proportion of Domestic Wastewater Flow Safely Treated Worldwide in 2022, by Region." Statista, Statista Inc., 17 May 2023, https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/
UN-Water, Proportion of domestic wastewater flow safely treated worldwide in 2022, by region Statista, https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/ (last visited September 19, 2024)
Proportion of domestic wastewater flow safely treated worldwide in 2022, by region [Graph], UN-Water, May 17, 2023. [Online]. Available: https://www.statista.com/statistics/746428/wastewater-treatment-global-share-by-region/