Japan Has 9 Million Abandoned Homes - Here’s the Real Problem

Quick Overview

The real housing crisis in Japan is not a shortage of homes, but rather a massive and growing surplus of 9.11 million vacant homes, with over half being rental units in apartment buildings, driven primarily by tax incentives encouraging new construction despite market saturation and complex inheritance issues leading to individual homes falling into disuse.

Key Points: Japan currently has 9,116,000 vacant homes, representing 13.3% of the total housing stock, an increase of 510,000 since 2018. The majority of vacancy is hidden within multi-family buildings, as 4,436,000 units, or 49.3% of all vacant homes, are categorized as vacant rental homes. Japan continues manufacturing vacancy by building new supply, with 343,900 rental units started in 2023, because construction is often driven by tax strategy: building structures reduces land inheritance tax assessment. Individual residential vacant homes total 3,856,000 units, with about 55% acquired through inheritance where heirs keep the properties unused due to social complications or uncertainty about future use. The core problem shifts from abandoned houses to 'empty governance' in condos, where inactive owners prevent necessary building maintenance or redevelopment decisions. Japan will implement condominium law changes in April 2026 to address governance failures, aiming to allow decisions with participating owners and streamline paths for aging building liquidation.

Context: The video analyzes the unexpected housing crisis in Japan, where the issue is an overwhelming excess of empty properties rather than a shortage, referencing the 2023 housing and land survey data released by the Ministry of Internal Affairs and Communication. The speaker focuses on helping non-Japanese buyers navigate this complex market, emphasizing that the true risks involve rental oversupply and governance issues in aging apartment buildings, not just rural abandoned houses.

Detailed Analysis

Japan faces a vacancy crisis where one in seven homes is empty, totaling over 9.11 million vacant units according to the 2023 survey. Contrary to popular belief focusing on rural abandoned houses (individual residential vacant homes, 3.8 million units), the largest category is vacant rental homes (4.4 million units) located in apartment buildings, representing nearly half of all vacancies. This problem is exacerbated because Japan keeps building new supply, with 343,900 new rental units started in 2023. The incentive loop driving this unnecessary construction is rooted in inheritance tax strategy; landowners build rental structures on vacant land to receive significant valuation discounts, making construction financially advantageous even in saturated markets. Furthermore, individual vacant homes often result from generational inheritance where heirs, having moved to cities, leave ancestral homes unused because selling is socially complicated or no local buyers exist. The most critical, yet hidden, aspect is structural vacancy within multi-family buildings (55.1% of all vacancies), where a lack of active owners cripples shared governance systems for maintenance and repairs, leading to management collapse. Recognizing this breakdown, Japan is rewriting condominium laws effective April 2026 to force structural solutions like rebuilding or liquidation when governance fails.