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Princeton: Princeton University Press.AVERY M. GUEST
GUNNAR ALMGRENDEMOGRAPHY
Demography is the study of human populations. It
is an important part of sociology and the other
social sciences because all persisting social aggre-
gates—societies, states, communities, racial or eth-
nic groups, professions, formal organizations, kin-
ship groups, and so on—are also populations. The
size of the population, its growth or decline, the
location and spatial movement of its people, and
their changing characteristics are important fea-
tures of an aggregate whether one sees it as a
culture, an economy, a polity, or a society. As a
result some anthropologists, economists, histori-
ans, political scientists, and sociologists are also
demographers, and most demographers are mem-
bers of one of the traditional social science disciplines.A central question for each of the social sci-
ences is: How does the community, society, or
whatever, seen as a culture, an economy, a polity,
or whatever, produce and renew itself over the