Abstract
This article tries to point out meanings of success of 18th World Congress of Sociology in Yokohama by examining history of International Sociological Association, the Japan Sociological Society and the relationship between International Sociological Association and the Japan Sociological Society. The author defines them as following 5 meanings. First, The Congress got the record number of participants in history of World Congress of Sociology. Second, The Congress was to be able to change a characteristic of International Sociological Association, that is, so-called European Club. Third, The Congress was to succeed in glocalization of World Congress of Sociology. Fourth, The Congress was to accelerate internationalization of sociology in Japan. Fifth, The Congress is to try to evaluate 18th Congress by organizers themselves. In the final section of the article, author suggests several tasks of International Sociological Association and Japan Sociological Society in order to develop them further.
