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Demography is the scientific study of human populations. Classical demography has at its core three processes: fertility, migration, and mortality. To be human is to be part of the demographic process, so contemporary studies of population focus not only on the implications of population size and change, but also on how social influences affect individual behaviour and how actions at the individual level contribute to the composition of the population.

Globally, population issues are of increasing concern to governments and other policy-makers. Particularly over the last...

Asia is the largest and most populous continent in the world. Its current population of around 4.3 billion accounts for close to 60 percent of the world's total. It is also an extremely diverse continent with people living in hugely varied natural environments. Many Asian countries have their own distinctive histories, cultural traditions, religious beliefs and radically different political systems, and they have pursued markedly different routes to development. For these reasons Asian populations represent a striking array of demographic characteristics and stages of demographic...