In population composition we study changes in the size and age composition of the population the biotic and environmental procedure have an effect on those changes. It is the study of how population changes over time. In this research paper, author is concerned about human population dynamics. The composition of the population, including birth and death rates, immigration, emigration and age and sex composition are the main components of population dynamics. The present research work on Ambala cantt ward no.13 the population of Ward No13 is 6270 which is the 11.41 % of total population of Ambala Cantt. All information and data about the population of ward no 13 is tabulated in a systematic way.