Part I Diaspora Migration and the Consortium `Migration and Societal Integration': Introduction: migration and social integration: background and design of a large-scale research endeavor, Rainer K. Silbereisen, Peter F. Titzmann and Yossi Shavit; Why does the diaspora return home? The causes of ethnic return migration, Takeyuki (Gaku) Tsuda. Part II From Heritage to Home Country: the Migration Transition and Adjustment: Language proficiency and social identity in Russian-Hebrew and Russian-German preschool children, Joel Walters, Sharon Armon-Lotem , Carmit Altman, Nathalie Topaj and Natalia Gagarina; Age, input quantity and their effect on linguistic performance in the home and societal language among Russian-German and Russian-Hebrew preschool children, Natalia Gagarina, Sharon Armon-Lotem, Carmit Altman, Zhanna Burstein-Feldman, Annegret Klassert, Nathalie Topaj, Felix Golcher and Joel Walters; Acculturation and well-being among migrant and minority adolescents: a cross-national and cross-ethnic comparison, Anna Moellering, David Schiefer, Ariel Knafo and Klaus Boehnke; Personal and culture-dependent values as part of minority adolescent identity, Ella Daniel, Maya Benish-Weisman, Klaus Boehnke and Ariel Knafo; The everyday life experience of violent and non-violent male adolescent immigrants from the FSU in Germany and Israel, Chaya Koren and Steffen Zdun; Immigration as an experience to knife off from delinquency: desistance and persistence among male adolescents from the FSU, Steffen Zdun. Part III Preparing for a Future: Transitions within the New Country and Related Opportunities: Mobility aspirations of immigrant and native youth in Germany and Israel, Noah Lewin-Epstein, Zerrin Salikutluk, Irena Kogan and Frank Kalter; Achievement differences between immigrant and native fourth graders in Germany and Israel, Cornelia Kristen, Yossi Shavit, Svetlana Chachashvili-Bolotin, Tobias Roth and Irit Adler; Transitions to romantic involvement and living together: a comparison of psychosocial outcomes between natives and immigrants in Germany, Rainer K. Silbereisen, Peter F. Titzmann, Andrea Michel, Avi Sagi-Schwartz, Yoav Lavee and David Mehlhausen-Hassoen; Transitions to romantic involvement and living together: a comparison of psychosocial outcomes between natives and immigrants in Israel, Peter F. Titzmann, Rainer K. Silbereisen, Andrea Michel, Yoav Lavee, Avi Sagi-Schwartz and David Mehlhausen-Hassoen; First romantic relationships of immigrant adolescents in Israel and Germany: does acculturation modify ethnic differences?, Bernhard Nauck and Anja Steinbach. Part IV Research on Diaspora Migration and its Implications for Research and Policy: Diaspora migration in Israel and Germany: unique contexts or examples of a general phenomenon?, Peter F. Titzmann and Katharina Stoessel; Learning a host country: a plea to strengthen parents' roles and to encourage children's bilingual development, Birgit Leyendecker, Jessica Willard, Alexandru Agache, Julia Jakel, Olivia Spiegler and Katharina Kohl; Diaspora immigration from countries of the former Soviet Union to Israel: some social policy implications, Gustavo S. Mesch. Index.