This study aims to investigate how adolescents` expectation of their future according to their self-esteem and perceived social support from parents, teachers, and peers. The study surveyed 611 adolescents, who live in Jeju. The data was analyzed by t-test, ANOVA, and step-wise Regression analysis. The main results of the study were as follows. First, the adolescents generally had a positive perception of their future. Second, there were significant differences in their perceptions of expectancy for the future according to school grade, leadership experience in school, experience with voluntary activities, educational background of the father, educational background of the mother, level of living, self-esteem, parent support, teacher support, and peer support. The parents with a higher educational background tended to have a professional career, have high expectation for their children, serve as role models for their children, and have a high level of positive perceptions of the future. Finally, the variables which affect the adolescents` expectancy for future were examined hierarchically by a step-wise regression analysis. As a result, in general, level of living, self-esteem, and social support were the most important variables, and self-esteem and parent support have the greatest impact on their perceptions of expectancy for the future.