While there is a large volume of research discussing the role of internal migration in the transformation of the Brazilian national settlement system, past studies have shown conflicting tendencies towards population concentration and dispersion. This paper analyses the evolution of the spatial networks formed by migration flows and the changes in the direction of these flows since the 1980s. Network analysis methods proved to be a valuable tool to determine the degree of concentration in the Brazilian migration system, examine the overall changes in the topology or shape of the migration network and study its spatial manifestations over time. Results indicate a highly concentrated migration system (notably polarised by the Metropolitan Region of São Paulo) but also evidence of a multiplication of both places of migration origin and destination, increasing connectivity and reciprocity of flows, although the pace of these changes seems to be slowing down.
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Carvalho et al. (2020) studied this question.
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