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Historical demography is the quantitative study of human population in the past. It is concerned with population size, with the three basic components of population change (fertility, mortality, and migration), and with population characteristics related to those components, such as marriage, socioeconomic status, and the configuration of families.
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
Demographic history is the reconstructed record of human population in the past. Given the lack of population records prior to the 1950s, there are many gaps in our record of demographic history. Given the lack of population records prior to the 1950s, there are many gaps in our record of demographic history.
As time has passed, history and sociology have developed into two different specific academic disciplines. Historical data was used and is used today in mainly these three ways: examining a theory through a parallel investigation, applying and contrasting events or policies (such as Verstehen), and considering the causalities from a macro point of view.
Demographic statistics are measures of the characteristics of, or changes to, a population. Records of births, deaths, marriages, immigration and emigration and a regular census of population provide information that is key to making sound decisions about national policy.
In demography, demographic transition is a phenomenon and theory in the social sciences referring to the historical shift from high birth rates and high death rates to low birth rates and low death rates as societies attain more technology, education (especially of women), and economic development. [1]
The bank says it strives to make sure its borrowers provide real help to people pushed aside by big projects. In Laos, the bank says, authorities built more than 1,300 new homes with electricity and toilets, 32 schools and two health centers for thousands of people forced to move to make way for a World Bank-financed dam.
Social history, often called "history from below", is a field of history that looks at the lived experience of the past. Historians who write social history are called social historians. Historians who write social history are called social historians.