Topic summary
Demographer
Extracted from the Wikipedia article Demography.
Science of population
Migration refers to the movement of persons from a locality of origin to a destination place across a predefined political boundary. Migration researchers do not designate movements 'migrations' unless they are somewhat permanent. Thus, demographers do not consider tourists and travellers to be migrating. While demographers who study migration typically rely on census data on place of residence, indirect data sources, including tax forms and labour force surveys, are also important.