The purpose of this study is, as the elderly living in urban housing complex is the subject of this study, to examine the change of their living environments and the process of transition. The variation of residential relationship between parents and children depends on "the stage of their ages" are examined in Part 3. The results are summarized as fellows; 1) The residential relationship between parents and children is, it often exists one of children lives nearby area. From the viewpoint of "the stage of their ages", parents and children of families mostly live together at the stage 1 and 2, mostly live separately at stage 3 and stage 4, the rate of living together increases at the stage 5. 2) The underlying root of the relationship is the affection between parents and children, and there exist relation of supporting each other on the top of the affection. 3) The important thing is offering the system, by which parents can choose the residential relationship between parents and children by individual initiative.
