The number of deaths due to unsafe water sources has generally decreased over time. In low-income countries, unsafe water sources are the cause of 2.3 percent of deaths as of 2021. In Chad, seven percent of deaths are due to these unsafe water resources.
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OWID. (January 31, 2024). Share of deaths due to unsafe water sources worldwide in 1990 and 2021, by select country [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1097489/unsafe-water-death-rate-global/
OWID. "Share of deaths due to unsafe water sources worldwide in 1990 and 2021, by select country." Chart. January 31, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1097489/unsafe-water-death-rate-global/
OWID. (2024). Share of deaths due to unsafe water sources worldwide in 1990 and 2021, by select country. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1097489/unsafe-water-death-rate-global/
OWID. "Share of Deaths Due to Unsafe Water Sources Worldwide in 1990 and 2021, by Select Country." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Jan 2024, /statistics/1097489/unsafe-water-death-rate-global/
OWID, Share of deaths due to unsafe water sources worldwide in 1990 and 2021, by select country ÌÇÐÄÆƽâ°æ, /statistics/1097489/unsafe-water-death-rate-global/ (last visited July 25, 2026)
Share of deaths due to unsafe water sources worldwide in 1990 and 2021, by select country [Graph], OWID, January 31, 2024. [Online]. Available: /statistics/1097489/unsafe-water-death-rate-global/
