Almost 13% of households in Japan live in apartments or condos, according to a report by Tokyo Kantei. The ratio in 2022 was 12.90%, up 0.08 points from 2021.

In the Tokyo metropolitan area, the ratio increased by 0.20 points to 28%, putting it in top spot nationwide. In Osaka prefecture, the ratio was 20.07%, up 0.12 points from 2021.

Fukui Prefecture had the lowest ratio with just 1.90% of households living in apartments. The prefecture has just 5,524 apartments, and only 317 of those were built in the past 10 years.

On a city basis, Chiyoda ward in Tokyo has the highest share of apartment dwellers, with 81.02% of households living in apartments. Chuo ward was in second spot with 78.82%, and Minato ward was in third spot with 77.11%. 

Of the approximately 7.5 million apartments across Japan, 26% are located within the Tokyo metropolitan area, and a further 13% are located in neighboring Kanagawa Prefecture. 

Within Tokyo, Koto ward has the highest number of apartments, with 129,008 units. It is followed by Setagaya ward with 112,065 units. Chuo ward was in 9th spot with 72,666 units. 

Source: Tokyo Kantei, January 31, 2023.