Water Cost Survey
2026-01-30 06:15:44

Survey Reveals Monthly Water Costs Across Japan’s 47 Prefectures

Monthly Water Costs Across Japan's 47 Prefectures



In a recent study conducted by Fukoku Life's lifestyle money information media, 47Life, a survey was conducted revealing the water costs for households across Japan's 47 prefectures. The survey involved 100 men and women aged between 20s and 50s, aiming to uncover insights into monthly water expenses and water-saving habits.

Survey Findings:


The average monthly water cost nationwide was recorded at 1,173 yen, with significant variations across different regions. Here’s a breakdown of the top five prefectures with the highest average water bills:

1. Yamagata Prefecture: ¥7,173
2. Miyagi Prefecture: ¥6,888
3. Saga Prefecture: ¥6,797
4. Shimane Prefecture: ¥6,741
5. Iwate Prefecture: ¥6,624

The results indicate that while some prefectures reported significantly higher costs, the national average places the water expenses around ¥5,822, which interestingly, lies between Nagasaki Prefecture and Shiga Prefecture.

The survey also explored the frequency of water-saving practices among respondents. Participants were encouraged to provide insights on when they are most conscious of their water usage.

Water-Saving Practices:


The responses indicated the following popular moments when participants were mindful of their water use:
  • - Bathing: 32%
  • - Cooking: 22%
  • - Laundry: 15%
  • - Toilet & Sink: 15%
  • - No specified timing: 13%
  • - Others: 3%

Among these, bathing remained the most common activity that prompted people to conserve water. Interestingly, the survey revealed the largest group of respondents (26%) reported monthly water bills exceeding ¥1,000 but less than ¥3,000.

Monthly Water Bill Summary:


  • - Under ¥1,000: 12%
  • - ¥1,000 - ¥2,999: 26%
  • - ¥3,000 - ¥4,999: 22%
  • - ¥5,000 - ¥6,999: 16%
  • - ¥7,000 - ¥9,999: 14%
  • - Over ¥10,000: 5%
  • - Not sure / Prefer not to say: 5%

The data shows significant variation across the country, highlighting the diverse trends in water usage and costs. As Japan faces increasing environmental challenges, these insights serve as a reminder of the importance of water conservation.

47Life is committed to exploring financial topics that directly relate to everyday life, providing valuable information for readers nationwide.

For further reading and comprehensive insights on the survey results, visit the full report on 47Life's website.

If you have any questions about budgeting for water costs or how to integrate water-saving practices into your daily routine, stay tuned for future articles that delve into practical ways for improving your financial literacy and lifestyle.

About 47Life:


47Life is a media initiative run by Fukoku Life, dedicated to delivering essential financial information directly to your lifestyle. From local events to major life milestones such as jobs and weddings, the platform aims to answer queries while engaging the community with fun and informative financial topics.

About Fukoku Life:


Founded in 2023, Fukoku Life is a life insurance company focused on a philosophy of mutual assistance. The company prioritizes customer-centric services, ensuring that each individual can feel secure in their financial decisions.


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