This study aims to point out future problems on planning of nursing homes by understanding characteristics of living activity of the elderly with Alzheimer's disease (AD) and vascular dementia (VD) through following up surveys. The findings are as follows. 1. In factor analysis, there were distinctions between AD and VD on characteristics of activity-inactivity. 2. In cluster analysis, the elderly with dementia were classified into five groups. 3. An activity area spread to the whole home in case of AD, and as against it, its area was limited to the hall and semi-hall in the home in case of VD.