In the fiscal year 2022, the share of the population with access to wastewater treatment in Japanese cities with over * people amounted to around **** percent. Sewer lines made up the majority of wastewater treatment facilities that were used in Japan. In that fiscal year, the overall rate of people with access to sewage treatment facilities in Japan amounted to around **** percent.
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MOE (Japan). (August 25, 2023). Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 28, 2026, from /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/
MOE (Japan). "Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size." Chart. August 25, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 28, 2026. /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/
MOE (Japan). (2023). Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 28, 2026. /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/
MOE (Japan). "Share of People with Access to Wastewater Treatment in Japan in Fiscal Year 2022, by City Size." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Aug 2023, /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/
MOE (Japan), Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size ÌÇÐÄÆÆ½â°æ, /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/ (last visited July 28, 2026)
Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size [Graph], MOE (Japan), August 25, 2023. [Online]. Available: /statistics/1188864/japan-wastewater-treatment-accessibility-share-by-city-size/