In the heart of Japan’s Kinki region, a silent demographic shift is underway, one that’s reshaping the very fabric of urban living. As the number of condominiums continues to rise, so does the stock of older buildings, many of which are over 40 years old. These aging structures, managed by Condominium Management Association Corporations (CMACs), are facing unique challenges that could have significant implications for the energy sector and facility management.
Daisuke Matsushita, a researcher from the Department of Living Environment Design at Osaka Metropolitan University, has been delving into this issue. His recent study, published in the Japan Architectural Review (known in English as the Japanese Architectural Review), sheds light on the complexities of managing older condominiums and the role of facility management in their upkeep.
Matsushita’s research reveals that condominiums managed by CMACs are generally older, larger, and more actively managed than those under general management associations. “We found that the percentage of elderly residents, rental units, and vacant units all increased with the age of the buildings,” Matsushita explains. This trend, he suggests, could be attributed to the unique management strategies employed by CMACs.
The study also highlights the importance of facility management (FM) in the upkeep of these aging structures. Matsushita’s team found significant differences in the number of facilities installed, suggesting that proactive FM could play a crucial role in extending the lifespan of older condominiums. This could have significant implications for the energy sector, as efficient facility management could lead to reduced energy consumption and lower carbon emissions.
The research also employed k-means clustering, a data analysis technique, to identify patterns and trends in the data. This approach allowed the team to gain a deeper understanding of the challenges faced by older condominiums and the role of CMACs in their management.
As Japan grapples with an aging population and an increasing stock of older buildings, Matsushita’s research offers valuable insights into the future of urban living. His findings could shape the development of new facility management strategies and inform policy decisions in the energy sector. Moreover, they serve as a reminder of the importance of proactive management in the face of urban aging.
In the words of Matsushita, “Understanding the challenges faced by older condominiums is the first step towards developing effective solutions.” As we look to the future, his research offers a compelling roadmap for navigating the complexities of urban aging.

