This book offers strategies for collecting sought-after information in surveys. Topics such as how to phrase a question or establishing a framework for analyzing subjective information are included. In addition, t...

As international migration connects each country of the world with all the others, addressing knowledge gaps will require international consensus on definitions and methods of data collection. This Policy and Rese...

The article presents an innovative methodology for estimating migration flows based on changes in international migrant stocks. The article uses circular plots to visualise and explain flows, and presents findings...

The data value chain describes the evolution of data from collection to analysis, dissemination, and the final impact of data on decision making. While the value chain can be applied to all types of data, it may b...