Early marriage is the social problems that occur in teenagers. In America there are, 12% of teens who commit early marriage, while in Sudan and Uganda as countries develop, the number of marriage dininya 69.3% and ranged from 46%. Many of the impacts occurring from early marriage as social impact, health and psychological. Early marriage can occur due to several factors, one of which is free association. The purpose of this research is to analyze the relationship of those factors against the psychological impact of early marriage on teenagers in Pasaman Barat the year 2018. This type of research is descriptive analytic with cross sectional approach uses. The sample in this research totalled 204 adolescents in Pasaman Barat. Data collection tools used are questionnaire and analysis of the data with the chi-square. The results of this research are obtained that the most dominant factors related to early marriage in Pasaman Barat year 2018 is free association. Expected with this research can be a reference for developing nursing care against the adolescent about early marriage.

Keywords : Early Marriage, Psychological Impact, Teens