The time period between 18-24 years is defined as young adulthood in which an individual’s life changes, it is a time of transition; a critical period that can shape the adult life span (Davis &Stoep ,1997) Young adulthood is a significant period of life. The paper tries to understand the relationship of Interpersonal Dependency with Self-esteem and Decision- Making in young adults. The study has mainly three objectives to examine the relationship of Interpersonal Dependency on Self -Esteem. To examine the relationship of Interpersonal Dependency on Decision Making. To study the relationship between Interpersonal Dependency, Self -Esteem and Decision Making. Analytical sample of 248 was obtained after data cleaning consisted of males and females. The analysis of the study was carried out by using SPSS version 20. In order to analyze, descriptive and inferential statistics was obtained followed by the correlation and regression analysis. The study has few implications and limitations that are mentioned in the paper.