Migration-and-development has grown into a field of its own, in both research and policy.
One picture reveals the trend in research. In the 1960s there was a burst of research interest in migration and development—mostly about migration within countries, as much of the developing world embarked on rapid urbanization. That interest waned in the 70s. But over the last 20 years, more and more development papers mention migration, and more and more migration papers mention development: