This research examines demographics, socioeconomic, eating habits, andphysical activity on obesity prevalence in students of Libya. The present study population consists of undergraduate students joining the universities of the west coast of Libya. Specifically, the research has been carried out with undergraduate students of two public universities (Zawia University and Sabaratha University) of Libya. The present study has used a survey based on the constructs of the conceptual framework. Therefore, self-distributed questionnaires for each of 500 samples of the student to collect from the questionnaire.This research has done a comprehensive theoretical discussion to be able to come up with the research hypotheses. The hypotheses were that there is a significant relationship between demographic factors and obesity prevalence in undergraduate students of Libya. Also, there is no significant relationship between socioeconomic factors and obesity prevalence in undergraduate students of Libya and.Furthermore, there is a significant difference between male and female undergraduate students in terms of eating habits. And finally, there is a significant difference between male and female undergraduate students in physical activity.Moreover, the study proposes the management take the initiative for the implementation of strategies that will be helpful to get the awareness about obesity among students in Libya.