The purpose of this study is to explore periodical housing situation of Single Mother Househoklds in Japan. Recently, greater rates of divorce or separation caused by changes in lifestyles and social awareness for women has been contributed to the growing number of Single Mother Households. Gradually, their owner occupation rate has been decreasing on the other hand the rate of living in public housing, private housing, or returning to their parents or relatives, has been increasing. Each Single Mother Households who were left as a widow and were divorced have different structure of housing tenure. These changed often caused by the change of quality of single mother households.
