雨水貯留の日本市場 - 市場規模、シェア、動向、予測：貯留方法別、エンドユーザー別、地域別、2025年～2033年

日本の雨水貯留の市場規模は2024年に9,490万米ドルに達しました。今後、IMARC Groupは、2033年までには1億4,880万米ドルに達し、2025年から2033年にかけて4.60%の成長率（CAGR）を示すと予測しています。同市場は、気候変動や定期的な干ばつによる節水需要の増加、政府による持続可能な行動への支援、都市化、有限な淡水資源によって活性化しています。さらに、雨水貯留と浄化装置の技術革新により、家庭や企業での消費がより現実的になっています。

本レポートで扱う主な質問

• 日本の雨水貯留市場はこれまでどのように推移し、今後どのように推移するのか？
• 日本の雨水貯留市場の貯留方法別区分は？
• 日本の雨水貯留市場のエンドユーザー別区分は？
• 日本の雨水貯留市場の地域別区分は？
• 日本の雨水貯留市場のバリューチェーンにおける様々なステージとは？
• 日本の雨水貯留市場の主要な促進要因と課題は？
• 日本の雨水貯留市場の構造と主要企業は？
• 日本の雨水貯留市場における競合の程度は？

目次

第1章 序文

第2章 調査範囲と調査手法

• 調査の目的
• ステークホルダー
• データソース
• 市場推定
• 調査手法

第3章 エグゼクティブサマリー

第4章 日本の雨水貯留市場-イントロダクション

• 概要
• 市場力学
• 業界動向
• 競合情報

第5章 日本の雨水貯留市場情勢

• 過去および現在の市場動向（2019年～2024年）
• 市場予測（2025年～2033年）

第6章 日本の雨水貯留市場-貯留方法別内訳

• 地上
• 地下

第7章 日本の雨水貯留市場-エンドユーザー別内訳

• 商業用
• 住宅用
• 産業用

第8章 日本の雨水貯留市場-競合情勢

• 概要
• 市場構造
• 市場企業のポジショニング
• 主要成功戦略
• 競合ダッシュボード
• 企業評価象限

第9章 主要企業のプロファイル

第10章 日本の雨水貯留市場-業界分析

• 促進要因、抑制要因、機会
• ポーターのファイブフォース分析
• バリューチェーン分析

第11章 付録

The Japan rainwater harvesting market size reached USD 94.9 Million in 2024. Looking forward, IMARC Group expects the market to reach USD 148.8 Million by 2033, exhibiting a growth rate (CAGR) of 4.60% during 2025-2033. The market is spurred by the increasing demand for water conservation during climate change and regular droughts, government support of sustainable behavior, urbanization, and finite freshwater resources. Further, innovation in rainwater harvesting and purification equipment makes it more viable for household and business consumption.

Japan Rainwater Harvesting Market Trends:

Integration of Smart Technologies

Smart technology integration into rainwater harvesting systems is a significant trend influencing the Japan rainwater harvesting market outlook. With improvements in IoT (Internet of Things) and sensor technology, rainwater harvesting systems are becoming automated and more efficient. Smart meters and sensors aid in tracking water levels, leak detection, and optimal utilization of harvested water, making it more efficient and saving on waste. Besides this, systems are also being constructed to switch between harvested rainwater and municipal water automatically, depending on availability, to provide a consistent and sure water supply. This is also in line with Japan's robust emphasis on technological innovation and progress, especially within urban regions where water conservation and effective resource use are essential. With consumers increasingly seeking convenient and sustainable solutions, demand for smart rainwater harvesting systems is likely to increase, thus making the technology a key component of contemporary water management solutions for residential and commercial properties.

Urbanization and Residential Adoption

The rapid urbanization rate of the country is propelling the Japan rainwater harvesting market growth, especially in residential areas. With increasing city population, there is a greater need for clean water sources. Consequently, residential homes and apartment buildings are shifting to rainwater harvesting as an alternative water source for non-drinking purposes like gardening, flushing toilets, and washing. As urban communities experience water scarcity and expensive water, rainwater harvesting is a practical solution for decreasing reliance on municipal water supplies. Incentives provided by the government and public awareness programs also stimulate residential take-up, making the systems affordable for homeowners. Moreover, environmentally aware consumers increasingly seek means of decreasing their ecological impact, which triggers demand for rainwater harvesting solutions. As urban growth persists, residential rainwater harvesting will be on the rise, with homes and buildings investing in systems for collecting and utilizing rainwater effectively.

Commercial and Industrial Applications

The Japan rainwater harvesting market share is expanding its reach beyond residential settings into the commercial and industrial sectors. Large-scale buildings, factories, and shopping malls are increasingly adopting rainwater harvesting as part of their sustainability initiatives. These sectors face high water consumption, which drives the need for alternative sources to reduce costs and environmental impact. By capturing and storing rainwater, businesses can use the resource for non-potable purposes like landscaping, cooling systems, and cleaning, lowering overall water usage and utility costs. Furthermore, many corporations are incorporating rainwater harvesting as part of their corporate social responsibility (CSR) strategies to demonstrate environmental stewardship and commitment to sustainable practices. Government regulations and incentives also support the installation of rainwater harvesting systems in commercial buildings, making it more financially feasible for companies. As sustainability becomes a priority for both businesses and consumers, the trend of rainwater harvesting in commercial and industrial applications is likely to continue growing.

Japan Rainwater Harvesting Market Segmentation:

Harvesting Method Insights:

• Above Ground
• Under Ground

End User Insights:

• Commercial
• Residential
• Industrial

Competitive Landscape:

The market research report has also provided a comprehensive analysis of the competitive landscape. Competitive analysis such as market structure, key player positioning, top winning strategies, competitive dashboard, and company evaluation quadrant has been covered in the report. Also, detailed profiles of all major companies have been provided.

Key Questions Answered in This Report:

• How has the Japan rainwater harvesting market performed so far and how will it perform in the coming years?
• What is the breakup of the Japan rainwater harvesting market on the basis of harvesting method?
• What is the breakup of the Japan rainwater harvesting market on the basis of end user?
• What is the breakup of the Japan rainwater harvesting market on the basis of region?
• What are the various stages in the value chain of the Japan rainwater harvesting market?
• What are the key driving factors and challenges in the Japan rainwater harvesting?
• What is the structure of the Japan rainwater harvesting market and who are the key players?
• What is the degree of competition in the Japan rainwater harvesting market?

Table of Contents

1 Preface

2 Scope and Methodology

• 2.1 Objectives of the Study
• 2.2 Stakeholders
• 2.3 Data Sources
  • 2.3.1 Primary Sources
  • 2.3.2 Secondary Sources
• 2.4 Market Estimation
  • 2.4.1 Bottom-Up Approach
  • 2.4.2 Top-Down Approach
• 2.5 Forecasting Methodology

3 Executive Summary

4 Japan Rainwater Harvesting Market - Introduction

• 4.1 Overview
• 4.2 Market Dynamics
• 4.3 Industry Trends
• 4.4 Competitive Intelligence

5 Japan Rainwater Harvesting Market Landscape

• 5.1 Historical and Current Market Trends (2019-2024)
• 5.2 Market Forecast (2025-2033)

6 Japan Rainwater Harvesting Market - Breakup by Harvesting Method

• 6.1 Above Ground
  • 6.1.1 Overview
  • 6.1.2 Historical and Current Market Trends (2019-2024)
  • 6.1.3 Market Forecast (2025-2033)
• 6.2 Under Ground
  • 6.2.1 Overview
  • 6.2.2 Historical and Current Market Trends (2019-2024)
  • 6.2.3 Market Forecast (2025-2033)

7 Japan Rainwater Harvesting Market - Breakup by End User

• 7.1 Commercial
  • 7.1.1 Overview
  • 7.1.2 Historical and Current Market Trends (2019-2024)
  • 7.1.3 Market Forecast (2025-2033)
• 7.2 Residential
  • 7.2.1 Overview
  • 7.2.2 Historical and Current Market Trends (2019-2024)
  • 7.2.3 Market Forecast (2025-2033)
• 7.3 Industrial
  • 7.3.1 Overview
  • 7.3.2 Historical and Current Market Trends (2019-2024)
  • 7.3.3 Market Forecast (2025-2033)

8 Japan Rainwater Harvesting Market - Competitive Landscape

• 8.1 Overview
• 8.2 Market Structure
• 8.3 Market Player Positioning
• 8.4 Top Winning Strategies
• 8.5 Competitive Dashboard
• 8.6 Company Evaluation Quadrant

9 Profiles of Key Players

• 9.1 Company A
  • 9.1.1 Business Overview
  • 9.1.2 Services Offered
  • 9.1.3 Business Strategies
  • 9.1.4 SWOT Analysis
  • 9.1.5 Major News and Events
• 9.2 Company B
  • 9.2.1 Business Overview
  • 9.2.2 Services Offered
  • 9.2.3 Business Strategies
  • 9.2.4 SWOT Analysis
  • 9.2.5 Major News and Events
• 9.3 Company C
  • 9.3.1 Business Overview
  • 9.3.2 Services Offered
  • 9.3.3 Business Strategies
  • 9.3.4 SWOT Analysis
  • 9.3.5 Major News and Events
• 9.4 Company D
  • 9.4.1 Business Overview
  • 9.4.2 Services Offered
  • 9.4.3 Business Strategies
  • 9.4.4 SWOT Analysis
  • 9.4.5 Major News and Events
• 9.5 Company E
  • 9.5.1 Business Overview
  • 9.5.2 Services Offered
  • 9.5.3 Business Strategies
  • 9.5.4 SWOT Analysis
  • 9.5.5 Major News and Events

10 Japan Rainwater Harvesting Market - Industry Analysis

• 10.1 Drivers, Restraints, and Opportunities
  • 10.1.1 Overview
  • 10.1.2 Drivers
  • 10.1.3 Restraints
  • 10.1.4 Opportunities
• 10.2 Porters Five Forces Analysis
  • 10.2.1 Overview
  • 10.2.2 Bargaining Power of Buyers
  • 10.2.3 Bargaining Power of Suppliers
  • 10.2.4 Degree of Competition
  • 10.2.5 Threat of New Entrants
  • 10.2.6 Threat of Substitutes
• 10.3 Value Chain Analysis

11 Appendix