Introduction
Demography is the study of the human population. Ideally, human population is studied in terms of the size, the composition, and the distribution of persons across the specified area of study. The three major demographic elements that are used to determine the composition and causes of different population changes include birth, death, and the migration of people. First, the population of a place may be described in terms of some of the common demographic features such as sex, age, household status and family composition. However, demography can also be described in terms of the social and economic context. That ...