In architectural planning, room space areas are mainly decided according to physical spaces such as human body sizes, occupant crowd densities, and the sizes of furnitures necessary for the room. However, human beings are also psychological entities and naturally require psychological spaces1), 2) as well. In former papers8) 12), we proposed a planning method of capacity and sizes of room under consideration to keep personal occupied areas. In this paper, we report the experimentally grasped distribution of allotted personal areas of occupant crowd to be used in the method, and the result of examination that the distribution can be approximated as Poisson distribution.
