Migration networks and the intensity of global migration flows, 1990–2015.

Evidence from 184 countries over a 25-year span is used to analyze international migration flows based on their 'intensity' or size. Results show that network dynamics are relevant to understand the emergence and evolution of migration flows of varying intensity. The findings also show that a core set of non-network covariates derived from Migration Systems Theory is important to understand migration flows of different intensity. Overall, the results highlight the significance of explicitly analyzing the intensity of international migration flows since not all covariates affect these flows in the same way. [ABSTRACT FROM AUTHOR]