Abstract
The significance degree of each component was calculated only by once SOM learning where the Spherical Self-Organizing-Map (SSOM) was used for the demonstration. The method was applied to the following data to confirm the effectiveness of the suggestion method. The data of the life and the welfare of the people come from the Ministry of Health, Labour and Welfare, and Management and Coordination Agency. The data are according to the metropolis and districts of the national statistics investigation annual report about the health.