Waterworks were the most widely used systems to supply tap water in Japan, providing water to over million people in 2022. In the same year, over ** percent of the population in Japan had access to drinkable tap water from water services.
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MLIT (Japan). (April 1, 2024). Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1235229/japan-population-access-drinkable-water-by-system/
MLIT (Japan). "Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s)." Chart. April 1, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1235229/japan-population-access-drinkable-water-by-system/
MLIT (Japan). (2024). Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1235229/japan-population-access-drinkable-water-by-system/
MLIT (Japan). "Number of Citizens with Access to Drinkable Tap Water from Water Services in Japan in 2022, by System (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Apr 2024, /statistics/1235229/japan-population-access-drinkable-water-by-system/
MLIT (Japan), Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1235229/japan-population-access-drinkable-water-by-system/ (last visited July 26, 2026)
Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s) [Graph], MLIT (Japan), April 1, 2024. [Online]. Available: /statistics/1235229/japan-population-access-drinkable-water-by-system/
