In article it is proved, that by one of the major concepts which value substantially defines consciousness of modern youth, the concept «ussia» is. The author presents experimental research materials on revealing and the description of value of concept «ussia» at youth. Specificity of the given value at senior pupils and students depending on socialisation conditions is defined: the maintenance and volume of mastered knowledge, features of subculture, spheres of interaction of representatives of groups with other people, interpersonal mutual relations in group etc.