The forty-fifth annual meeting for reading research papers of Nishi-Nippon Sociological Society had been opened in May 1978 at Kagoshima economic college. Then, in addition to reading free research papers, we had two sectional meeting. Here we reproduce one of them. Main subject of the sectional meeting was “Summary of Japanese Society after World War II”. Each of following three papers is discussing about contemporary social change in our society. The first treats industrial change, the second agricultural, the third political. But, they are far from exhausting total change. So, in this special edition title of subject are changed.