How to measure migratory flows?

Abstract

The migratory phenomenon, like determinants of the population distribution, has great importance and, for that reason, very is raised the number of jobs dedicated to the analysis of the same one. Nevertheless, conceptual nor methodology homogeneity in its processing does not exist. The nondisposition of direct data and, therefore, the necessity to consider them from different sources add to more difficulty to the interpretation and comparison of the results of the different works. The objective of this articulate is to review the concepts and methods that are used in the analysis of the subject, facilitating the comparison of the results of the different works.