Abstract:  This study focuses on case studies in Japan where proactive efforts are being made to address residential management challenges in detached housing areas. The objective is to analyze how these initiatives should be institutionally and socially supported and promoted. In Japan, large‐scale residential development expanded significantly in the 1960s to address the housing shortage caused by rapid urban expansion during the period of high economic growth. Development peaked in the 1970s and continued into the 1990s. Meanwhile, Japan’s population began to decline after reaching its peak in 2008. In residential neighborhoods that have matured over 40 to 50 years, the progression of population aging and declining birthrates has led to several issues: (a) an increase in vacant lots and homes; (b) weakening of social ties among residents; (c) difficulties in maintaining shared spaces; (d) deterioration of landscape control rules; and (e) declining convenience in the neighborhood such as access to daily services. First, this study reviews existing research to understand the historical development, trends, and cultural background of residential development and residential management in Japan, in order to grasp the context in which the challenges mentioned above have emerged. Second, it surveys the diverse initiatives implemented across Japan to address the challenges mentioned above in detached housing areas. Third, it analyzes the institutional and social barriers that need to be overcome to sustain efforts addressing these challenges.

Keywords:  detached housing areas; Japan; neighborhood association; residential management

Published:   28 January 2026

Issue:   Vol 11 (2026): Sustainable Urban Regeneration in Japan (In Progress)