The working paper reviews available data sources and methods for tracking internal migration, and explains the need for comparative studies in internal migration. Bell and Charles use data from the IMAGE project (...

This brief report offers a broad overview of the limitations in collecting and harmonizing migration data. There are also basic descriptions of the different kinds of migration data available and methodologies for...

 The paper addresses the problems in trying to collect harmonized migration figures in an international context, using the EU as a case study and IMEM ('Integrated Model of European Migration') as a framework...

This paper considers various methods that have been implemented to measure the scale of irregular migration and their effectiveness.