Co-ownership - Share of property

…There are common areas that are natural in nature and structure, such as the framework (main body) that supports the entire building, common corridors, stairwells, elevators, etc., and common meeting rooms and annex buildings in separate buildings that are only considered common areas when stipulated in the regulations, but both are shared by the condominium owners who share them. Each person's share of the common area is determined by the floor area ratio of the exclusive area. There is no right to claim division of the common property (Article 1, Article 2, Paragraphs 1-4, Article 4, Articles 11-14). …

*Some of the terminology used to refer to "co-ownership interests" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…共用部分には，1棟の建物全体を支える骨格部分(軀体部分)とか共同の廊下，階段室，エレベーターなどのような性質･構造上当然の共用部分と共同の集会室，別棟の付属建物などのように規約で定めてはじめて共用部分とされるものがあるが，どちらも，共用する区分所有者の共有である。各人の共有持分は専有部分の床面積割合による。共有物分割請求権は認められない(1条，2条1～4項，4条，11～14条)。…

※「共有持分」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報