This research paper investigates the contributing factors to underinsurance in the general insurance industry, focusing on the Malaysian market within Klang Valley. The study examines factors such as customer knowledge of insurance, the relationship between customers and insurers, the perceived importance of insurance coverage, the affordability of insurance products, and the availability of these products. The research employs questionnaires to gather data, which is then analyzed using various statistical techniques including reliability, correlation, normality, and regression tests. The findings indicate that knowledge of insurance and the perceived importance of insurance significantly influence underinsurance rates, while other factors show less impact. The paper includes a literature review, detailed methodology, data analysis, and conclusions, offering recommendations for the insurance industry to address the issue of underinsurance and improve customer protection. The research contributes new insights into the Malaysian insurance market and the behaviors that drive underinsurance.