The survey was conducted on the basis of a questionnaire common to all research teams, consisting of twelve modules: Personal details of respondent, Educational career, Labour history, Partner(s), Parents and siblings, Housing and neighborhood, Social relations, Gender roles and child care, Identity, language and transnationalism, Religion and religiosity, Income of respondent and partner as well as a 'Written' question sheet (for more sensitive questions). The data set includes 1348 interviews, with 449 Turkish origin youth, 431 Balkan origin youth and 468 Swiss origin youth, all born in Switzerland between 1971 and 1988.