Results of a cross-national survey of social trust are discussed carried out in the USA, Russia, Finland, Germany, Czech Republic, Turkey, Japan and Taiwan. Analysis permitted to find out a) degree of family socialization influence of trrist of adults; b) variations of correspondence levels between perents compliance to promises in the childhood with family socialization of child’s trust; c) degree of influence of betrayal experience of the child in the childhood on the trust in mature age; g) parameters of great influences on trust/mistrust in mature age.