Answer:
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The term demography is composed of two words, ‘demos’ means people and ‘graphien’ means to study. Therefore, demography is the scientific study of human population primarily with respect to size, structure, distribution and change (development). In short, demography is the scientific study of population.
Population change results from interaction of demographic components, viz, birth, death and migration. Therefore, demography deals with the detail study of the three components. With the measurement of such components, various aspects of population are analyzed and interpreted. It helps to plan and implement various development activities.
Demographic components
Birth, death and migration are called demographic component as well as the determining elements of population change because they affect the situation of population. Therefore, the size of population depends mainly upon birth, death and migration.
