Setagaya has the largest number of akiya (empty homes) in Japan
On a city/town/district level, Setagaya ward in Tokyo has the highest number of empty homes, or akiya, in Japan. According to the Ministry of Internal Affairs and Communications, there were an estimated 49,070 empty homes in Setagaya as of a 2018 survey, representing 10.4% of total housing stock. Neighboring Ota ward was in second place nationwide with 48,080 empty homes, and a 14.8% vacant house ratio.