The purpose of this study is to investigate the adolescents’ life satisfaction. The research study group consists of 628 freshman students of a state university in Ankara. In collecting the data related to the independent variables, the Personal Information Form, developed by the researchers; in collecting the data related to the students' life satisfaction, the General Life Satisfaction Scale (Diener, Emmons, Laresen & Griffin, 1985) has been used. According to the results, the life satisfaction of the university students showed significant difference based on “birth order”, “the place which the students spent most of their lives”, “perceived attitude of the mother”, “perceived attitude of the father”, “perceived economic status” and “efficiency perception of the high school education and school life”; but does not differ significantly according to gender. In accordance with the obtained data, the results have been discussed on and some suggestions have been made.