Demography:

demography, statistical study of human populations , especially with reference to size and density, distribution, and vital statistics (births, marriages, deaths, etc.). Demography is the statistical study of human populations and their size, composition, and change over time. Learn about the origins, development, and applications of demography , as well as its main concepts and methods. What is Demography ? Demography tracks population trends over time. Demography is a branch of social sciences that deals with the population of humans, changes in the population, and their interactions with the environment, political factors, as well as socio-economic factors. It is also concerned with the growth and distribution of populations in cities, countries, and continents. The word “ demography ” is derived from two Greek words “Demos” and “Graphy” which mean “people ... Meaning of Demography : The word ‘ Demography ’ is a combination of two Greek words, ‘Demos’ meaning people and ‘Graphy’ meaning science. Thus demography is the science of people. In the middle of the nineteenth century in 1855, the word ‘ Demography ’ was first used by a French writer Achille Guillard.