The global financial crisis that followed the collapse of the investment house Lehman Brothers in September 2008 can be viewed as having a deeper and more global effect on the movement of people around the world than any other economic downturn in the post World War II era of migration. In this report commissioned by the BBC World Service, the Migration Policy Institute seeks to explore the myriad impacts of this crisis on migration flows, remittances, and on migrants themselves as they adjust to the sweeping economic changes set in motion by the deepest global financial downturn since the Great Depression.