Abstract
We can think that there are two types of main themes in policy of public housings. One is the theme of trying to ensure utilizing them on the premise that people dwell for ever. The other is the theme of trying to make the most of them by preferentially giving temporary dwellings to households with housing problems. In our county, the latter was naturally taken under the housing shortage after World War II because the doctrine of the housing policy was mass supply. At present the upgrade of housing standard in quality is a greater subject, and it is more important to know the utilization form, that is, how public housings are utilized by households. In this paper, we classify the forms of utilizing public housings into the six types by the number of dwelling years and house moving consciousness, and we clearly explain characteristics of social strata shown by each form.