The object – the peculiarities of adolescent self-esteem and expression of aggression. The subject of research - to identify 14-16 years of sporting and non-sporting adolescent self-esteem and expression of aggression. Objectives: 1. To identify the 14-16 year-olds adolescent self-esteem and aggression in expression of the sport aspect. 2. To highlight the 14-16 year-olds adolescent self-esteem and aggression in expression of gender. 3. Clarifying adolescent self-esteem and aggression in expression of the age aspect. Hypothesis - teenage athletes have higher levels of self-esteem and aggressive. Methods: literature analysis, questionnaire survey, the statistical analysis. The study participants. Interviewed 292 adolescents (140 adolescents ...