This statistic shows the percentage of population using improved drinking-water sources worldwide in the years 1990, 2000, and 2015, by region. In 2000, this percentage was ** percent in Europe, while it stood at ** percent in Africa.
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WHO. (May 5, 2017). Percentage of population using improved drinking-water sources worldwide in 1990, 2000, and 2015, by region [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 28, 2026, from /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/
WHO. "Percentage of population using improved drinking-water sources worldwide in 1990, 2000, and 2015, by region." Chart. May 5, 2017. ÌÇÐÄÆÆ½â°æ. Accessed July 28, 2026. /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/
WHO. (2017). Percentage of population using improved drinking-water sources worldwide in 1990, 2000, and 2015, by region. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 28, 2026. /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/
WHO. "Percentage of Population Using Improved Drinking-water Sources Worldwide in 1990, 2000, and 2015, by Region." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 5 May 2017, /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/
WHO, Percentage of population using improved drinking-water sources worldwide in 1990, 2000, and 2015, by region ÌÇÐÄÆÆ½â°æ, /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/ (last visited July 28, 2026)
Percentage of population using improved drinking-water sources worldwide in 1990, 2000, and 2015, by region [Graph], WHO, May 5, 2017. [Online]. Available: /statistics/280145/population-using-improved-drinking-water-sources-worldwide-by-region/