The Myers-Briggs type identifier is widely used in business, in particular, in a number of large Western companies. In the United States, up to 70% of high school graduates undergo MBTI personality identification for career choice. More than 2 million people complete the MBTI questionnaire every year. The MBTI questionnaire has been translated into 30 languages (including Russian) and is used all over the world. The main applied areas of application of the Myers-Briggs typology: self-knowledge and personal growth; career growth and vocational guidance; development of organizations; management and leadership trainings; problem solving; family consultations; recruitment scientific work; trainings of interpersonal interaction