The article actualizes the problem of becoming a leader in a youth social group. Leadership is found to be a natural social and psychological process within a group aimed at personal authority influence on the behavior of group members. At the same time under the influence we understand the behavior of a person, which introduces changes in behavior, relationships, feelings of another person. The individually-psychological characteristics of the leader, the determinants of development and the manifestation of leadership are empirically determined and analyzed. The main individually-psychological characteristics of the leader's personality are empirically identified: a high level of self-esteem, which affects all aspects of life, namely emotional well-being, relationships with others, the development of creative abilities, attitude to successes and failures; creativity, that is, the personality must solve complex social problems, find new, non-standard ways of action, flexibility in communication with other people, emotional intelligence, flexibility of thinking, high motivation, education, ability to find new methods to implement a plan or solution, quickly switch from one way to complete a task to another. It is established that the level of formation of capabilities and skills required by the leader depends on the listed individually-psychological characteristics, which development is significantly influenced by the social environment of the individual throughout life, namely, the youth group. The characteristics of leaders in the youth social group are revealed, in particular, in the process of intragroup identification. The intragroup identification is enlightened in acts of personal and behavioral likeness of team members to each other.