Catharina Klein
Research expert covering Japan
Detailed statistics
Average daily consumption volume of domestic water per person Japan FY 2011-2020
Detailed statistics
Share of population with access to drinkable tap water Japan FY 1950-2022
Detailed statistics
Share of people served by wastewater treatment systems Japan FY 2013-2022
Annual tap water supply Japan 2000-2021
Annual tap water supply in Japan from 2000 to 2021 (in billion cubic meters)
Volume of tap water supply Japan FY 2021, by source
Volume of tap water supply in Japan in fiscal year 2021, by source (in billion cubic meters)
Achievement rate for water quality standards in Japan FY 2022, by category
Achievement rate for water quality standards in Japan in fiscal year 2022, by category
Number of dams, weirs, and headrace channels managed by MLIT Japan FY 2014-2022
Number of dams, weirs, and headrace channels managed by Ministry of Land, Infrastructure and Transport in Japan from fiscal year 2014 to 2022
Number of water systems Japan 2022, by prefecture
Number of water systems in Japan in 2022, by prefecture
Production costs of tap water per cubic meter Japan 2000-2021
Production expenditure of tap water per cubic meter in Japan from 2000 to 2021 (in Japanese yen)
Production costs of tap water per cubic meter Japan 2021, by type
Production costs of tap water per cubic meter in Japan in 2021, by type (in Japanese yen)
Monthly average expenditure of households for water Japan 2000-2021
Monthly average expenditure of households for water in Japan from 2000 to 2021 (in Japanese yen)
Water supply related government budget Japan FY 2015-2024
Water supply related initial government budget in Japan from fiscal year 2015 to 2024 (in billion Japanese yen)
Average daily consumption volume of domestic water per person Japan FY 2011-2020
Average daily consumption volume of water per person in Japan from fiscal year 2011 to 2020 (in liters)
Domestic water consumption volume Japan FY 2011-2020
Consumption volume of domestic water in Japan from fiscal year 2011 to 2020 (in billion cubic meters)
Domestic water consumption volume Japan FY 2020, by region
Consumption volume of domestic water in Japan in the fiscal year 2020, by region (in million cubic meters)
Daily water consumption volume of the manufacturing sector Japan 2020, by industry
Daily consumption volume of freshwater in the manufacturing sector in Japan in 2020, by industry (in thousand cubic meters)
Share of population with access to drinkable tap water Japan FY 1950-2022
Share of population with access to drinkable tap water from water services in Japan from fiscal year 1950 to 2022
Share of population with access to drinkable tap water Japan 2021, by prefecture
Share of population with access to drinkable tap water from water services in Japan in 2021, by prefecture
Number of people with access to drinkable tap water Japan 2022, by system
Number of citizens with access to drinkable tap water from water services in Japan in 2022, by system (in 1,000s)
Number of regions experiencing droughts Japan 2013-2022
Number of regions which experienced shortage of water supply due to droughts in Japan from 2013 to 2022
Number of people experiencing tap water supply shortage Japan 2018-2022, by area
Number of people who experienced a shortage of tap water supply due to droughts in Japan from 2018 to 2022, by area (in 1,000s)
Volume of purified water Japan 2000-2021
Amount of purified water in Japan from 2000 to 2021 (in billion cubic meters)
Share of people served by wastewater treatment systems Japan FY 2013-2022
Share of population served by wastewater treatment systems in Japan from fiscal year 2013 to 2022
Share of people with access to wastewater treatment Japan FY 2022, by facility
Share of people with access to wastewater treatment facilities in Japan in fiscal year 2022, by facility
Share of people with access to wastewater treatment Japan FY 2022, by prefecture
Share of population with access to wastewater treatment in Japan in fiscal year 2022, by prefecture
Share of people with access to wastewater treatment Japan FY 2022, by city size
Share of people with access to wastewater treatment in Japan in fiscal year 2022, by city size
Number of groundwater contamination cases Japan FY 2013-2022
Number of groundwater contamination cases in Japan from fiscal year 2013 to 2022
Number of marine pollution cases Japan 2014-2023
Number of marine pollution cases in Japan from 2014 to 2023
Number of marine pollution cases Japan 2023, by sea area
Number of confirmed marine pollution cases in Japan in 2023, by sea area
Number of marine pollution cases Japan 2023, by cause
Number of marine pollution cases in Japan in 2023, by cause
Number of hydropower plants Japan 2023, by prefecture
Number of hydroelectric power plants in Japan as of September 2023, by prefecture
Electricity production from hydropower Japan FY 2013-2022
Electricity production from hydropower in Japan from fiscal year 2013 to 2022 (in terawatt hours)
Share of hydropower in electricity production Japan FY 2013-2022
Share of hydropower electricity in total electricity generation in Japan from fiscal year 2013 to 2022
Consumption volume of hydroelectricity Japan 2013-2022
Consumption volume of hydroelectricity in Japan from 2013 to 2022 (in exajoules)
Mon - Fri, 9am - 6pm (EST)
Mon - Fri, 9am - 5pm (SGT)
Mon - Fri, 10:00am - 6:00pm (JST)
Mon - Fri, 9:30am - 5pm (GMT)
Mon - Fri, 9am - 6pm (EST)