Usage of building floor area in Tokyo's 23 wards 2023, by ward
In 2023, Setagaya had the largest building floor area of all 23 special wards in Tokyo, at more than 39 million square meters. Most of the building floor area in Setagaya ward was used for residential purposes, like houses and apartments. Minato ward came in as a close second by virtue of having the largest floor area used for commercial purposes on top of having the 10th largest floor area used for living. Together with Chuo and Chiyoda, it is one of the three only wards in which floor space used for commercial purposes surpasses floor space used for residential purposes.