As one of measures of urban land use control, city plans of Urbanization Promotion Area (UPA) and Urbanization Control Area (UCA) were introduced in the City Planning Act 1968. This study is to analyze the characteristics of urbanization during ten years after the application of UPA and UCA. The characteristics were as follows: density of population, increasing degree of that, ratio of agricultural land use, achievemental rate of planned population, average lot size of residence and so forth.
