Demography is the science of population. In particular, it explores the structure of population, as well as its development. Age, sex, education, occupation and religious affiliation are classical demographic categories. In most surveys, demographic questions and answers occur to analyze various population groups (especially age groups).
Please note that the definitions in our statistics encyclopedia are simplified explanations of terms. Our goal is to make the definitions accessible for a broad audience; thus it is possible that some definitions do not adhere entirely to scientific standards.