The Japan NPO Research Association
, Internatinoal Sociological Association
, JAPANESE ASSOCIATION FOR MATHEMATICAL SOCIOLOGY
, THE JAPAN SOCIOLOGICAL SOCIETY
, JAPAN WELFARE SOCIOLOGY ASSOCIATION
, SHAKAIGAKU KENKYUKAI (SOSHIOROJI)
, KANSAI SOCIOLOGICAL ASSOCIATION
, KANSAI SOCIOLOGICAL METHODOLOGY AND RESEARCH
, IInternatinoal Sociological Association RC28 (Social Stratification and Mobility)