Number of office property in Tokyo's central wards 2023, by year of completion
As of December 2023, there were around 2,690 office buildings completed between 1984 and 1993 in the five central wards of Tokyo. Broken down by year of completion, these buildings accounted for the largest share of office buildings in central Tokyo. In 1981, an amended version of earthquake resistance standards for buildings was introduced. Around 1,700 office buildings in central Tokyo were completed before 1983.