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Water industry in Japan

Statistics report on the water industry in Japan

This report provides statistical information about the water industry in Japan. It presents key figures on expenditures, water consumption, accessibility of drinkable water, wastewater treatment, water pollution as well as water energy.

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Table of contents

Overview

5
  • Premium Statistic Annual tap water supply Japan 2000-2021
  • Premium Statistic Volume of tap water supply Japan FY 2021, by source
  • Premium Statistic Achievement rate for water quality standards in Japan FY 2022, by category
  • Premium Statistic Number of dams, weirs, and headrace channels managed by MLIT Japan FY 2014-2022
  • Premium Statistic Number of water systems Japan 2022, by prefecture

Expenditures

4
  • Premium Statistic Production costs of tap water per cubic meter Japan 2000-2021
  • Premium Statistic Production costs of tap water per cubic meter Japan 2021, by type
  • Premium Statistic Monthly average expenditure of households for water Japan 2000-2021
  • Premium Statistic Water supply related government budget Japan FY 2015-2024

Water consumption

4
  • Premium Statistic Average daily consumption volume of domestic water per person Japan FY 2011-2020
  • Premium Statistic Domestic water consumption volume Japan FY 2011-2020
  • Premium Statistic Domestic water consumption volume Japan FY 2020, by region
  • Premium Statistic Daily water consumption volume of the manufacturing sector Japan 2022, by industry

Accessibility of drinkable water

5
  • Premium Statistic Share of population with access to drinkable tap water Japan FY 1950-2023
  • Premium Statistic Share of population with access to drinkable tap water Japan 2021, by prefecture
  • Premium Statistic Number of people with access to drinkable tap water Japan 2022, by system
  • Premium Statistic Number of regions experiencing droughts Japan 2013-2022
  • Premium Statistic Number of people experiencing tap water supply shortage Japan 2018-2022, by area

Wastewater treatment

5
  • Premium Statistic Volume of purified water Japan 2000-2021
  • Premium Statistic Share of people served by wastewater treatment systems Japan FY 2014-2023
  • Premium Statistic Share of people with access to wastewater treatment Japan FY 2022, by facility
  • Premium Statistic Share of people with access to wastewater treatment Japan FY 2022, by prefecture
  • Premium Statistic Share of people with access to wastewater treatment Japan FY 2022, by city size

Water pollution

4
  • Premium Statistic Number of groundwater contamination cases Japan FY 2014-2023
  • Premium Statistic Number of marine pollution cases Japan 2015-2024
  • Premium Statistic Number of marine pollution cases Japan 2024, by sea area
  • Premium Statistic Number of marine pollution cases Japan 2024, by cause

Water energy

4
  • Premium Statistic Number of hydropower plants Japan 2024, by prefecture
  • Premium Statistic Electricity production from hydropower Japan FY 2014-2023
  • Premium Statistic Share of hydropower in electricity production Japan FY 2014-2023
  • Premium Statistic Consumption volume of hydroelectricity Japan 2013-2022
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