Demography is the analysis of population variables. It includes both methods and substantive results, in the fields of mortality, fertility, migration and resulting population numbers. Demographers collect data on population and its components of...

. All demographic figures from the Middle Ages are approximate, but about general trends and sizes a consensus is developing, except in regard to sex ratios and age at marriage. From a high of perhaps 5.7 million ca. A.D. 165, the population of Gaul...

This social science employs mathematical techniques to describe and analyse human populations. Practices of demographic quantification contribute fundamental techniques to modern governments. Censuses enumerate identity categories...

Primary Source: Darwin, Charles. The Origin of Species. London: Murray,1859. Secondary Sources: Bowler, Peter. Evolution: The History of an Idea. Berkeley, CA: University of California Press, 1989. Durant, John, ed. Darwinism and Divinity: Essays on...

Demography is the statistical study of all populations. It can be a very general science that can be applied to any kind of dynamic population, that is, one that changes over time or space (see population dynamics). It encompasses the study of the size,...

This paper discusses the contribution that demographers can make to the study of disadvantage. Demographers from Malthus onwards have been interested in analysing disadvantage through the lens of demographic variables, notably fertility, mortality and population growth, and their effect on poverty and welfare,...

Human Demography and Disease, by Susan Scott and Christopher J. Duncan. Cambridge, U.K.: Cambridge University Press. 1998. 354 pp. $74.95. The authors of this volume are, respectively, an historical demographer (S.S.) and a biostatistician (C.J.D.). They have combined forces to present methodologies and...

Poachers seeking to bag a Royal Bengal tiger in the Sunderbans reserve are encountering a unique new security measure to keep them away: hundreds of crocodiles that have been released in the mangrove forest.Originally brought into the reserve in the late 1990s for breeding, the...

You manage a team at a company that was recently acquired. Although you aggressively coach your employees to adapt to the new corporate culture, some are unwilling or unable to adjust.What should you do? Ask them to leave, one expert says. "Be patient but firm,"...