The prevalence of disability is growing due to population ageing and the global increase in chronic health conditions. Patterns of disability in a particular country are influenced by trends in health conditions and trends in environmental and other factors such as road traffic crashes, natural disasters, conflict, diet and substance abuse. The objective of the present study was to assess the prevalence of disability among adult population. Quantitaive approach and descriptive cross sectional design was adopted for this study. The study was conducted among the adults who were residing in Maraimalai nagar. The sample size was 250. Non- probability purposive sampling technique was adopted. Census Questionnaire was to assess the prevalence of disability tool was used. The results of the present study revealed that, among the adult population, with respect to difficult in seeing, only 4 (1.6%) have always difficult in seeing. Considering the difficult in hearing, 4 (1.6%) persons always have difficult in hearing. Considering difficult in walking and climbing 32 (12.8%) have always difficult in walking. Regarding remembering and concentration 9 (3.6%) persons have most of the times difficult in remembrance and none of them have always difficult in concentration and remembrance. Considering the difficult in self-care 24 (9.6%) have always difficult in self-care. Considering the difficult in communication none of them reported difficult in communication.