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This series examines the structural and irreversible collapse of Japanâs condominium system, arguing that the crisis arises not from individual mismanagement but from systemic defects embedded in the legal and demographic foundations of condominium ownership.
Because unit owners tend to purchase their homes in the same period, aging occurs synchronously, producing a simultaneous surge in dementia risk.
As cognitive decline spreads, a growing proportion of owners lose the legal capacity to exercise voting rights, submit proxies, or appoint representatives, resulting in decision-making paralysis within homeownersâ associations.Â
The vulnerability is intensified by the rapid expansion of single-person households among the next generation of owners, who often lack family members capable of petitioning for adult guardianship.
Consequently, many cognitively impaired owners remain without legal representatives, leaving their voting rights effectively suspended.
Solitary deaths, inheritance renunciation, and ownerless units trigger chains of unpaid fees, vacant units, and financial deterioration.
These dynamics accelerate the erosion of governance capacity and undermine the feasibility of essential decisions such as major repairs and bylaw amendments.
Economic pressures further compound the crisis.
Rising construction costs, insufficient reserve funds, and the increasing reliance on association-level borrowing push owners into double-loan situations, heightening the risk of mortgage default.
Units under foreclosure contribute to additional âfloatingâ voting rights, deepening governance paralysis.
As financial instability spreads, management companies withdraw, leading to unmanaged buildings, safety deterioration, and eventual slumification.
These failures are not isolated incidents but predictable outcomes of the condominium ownership model established in 1962âa system designed for a society with stable families, low dementia prevalence, minimal single-person households, and cooperative community norms.
Modern Japan no longer fits these assumptions.
The series concludes that incremental reform cannot resolve the crisis, as legal amendments require long timelines and cannot be retroactively applied to existing buildings.
Therefore, the condominium ownership system itself must be fundamentally reconsidered, including transitions toward public management, compulsory sale mechanisms, and the introduction of a legal pathway for ownership renunciation.
Ultimately, the collapse of condominium governance is not merely a housing issue but a systemic challenge that will reshape urban life, social welfare, and public administration in Japan.
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