This article focuses on knowing that factors of school.,family and personal sphere are perceived by young people, by gender as barriers for non-participation in leisure activities they like. Barriers has been a topic widely studied by social psychology from the 80s, addressing studies have focused on specific groups and identifying in all cases harriers of different nature: economic, social. educational and psychological. The youth has also been studied from different perspectives, with emphasis on the one hand in the evolution of leisure practices and on the other the risks associated with behaviors of youth leisure; undoubtedly it has to include the role of leisure in that life step as an area of socialization. factor that contributes to the development of identity and personal welfare. In this study, at national level, 684 young high school students, whose ages are between 16 and 27 years. One of the main results is that young people practice more activities of a recreational nature, like being with friends or surfing the Internet, and that although they would like to practice more sport do not for lack of time. this barrier is higher in girls who have less availability. Significant gender differences also appear in the perception of well-being.