It has been suggested (Youniss and Smollar, 1985) that the re-negotiation of the parent-adolescent relationship involves processes of separation and connectedness, with separation characterized, among other indicators, as the withdrawing of information by adolescents in order to establish territories that are unsupervised by the parents. This study investigated two cross-sectional samples of 1,494 German adolescents from 10 to 16 years of age for self-disclosure to parents. Results from interviews revealed a decline with age in adolescents' disclosures towards parents. Adolescents disclosed their spare time activities and their personal thoughts more to mothers than to fathers, and disclosed spare time activities more frequently than personal thoughts. The disclosures to mothers were especially frequent concerning spare time activities, and for female adolescents. (EV)