The article presents selected results of research conducted in a group of students – 136 from lower secondary schools and 180 from upper secondary schools in Wielkopolska Voivodeship. Thanks to data clustering analysis, the following identity statuses were identified: carefree diffusion (33%), moratorium (22%), interception (14%) and achievement (31%). Studies indicated a statistically significant correlation between emotion regulation in the range of nonacceptance of emotional responses and limited access to emotion regulation strategies with all identity dimensions. The research analysis also indicated a statistically significant correlation between social support and mainly following identity dimensions: exploration in breadth, exploration in depth and identification with commitment. Statistically significant differences in emotion regulation and social support dimensions were found between participants characterized by individual statuses.