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Background An estimated 280 million people, approximately 3.6% of the world’s population, currently live outside their country of origin. The reasons for these displacements are numerous: some may have chosen to leave to pursue better opportunities elsewhere; many are compelled to leave for a complex combination of reasons, including poverty, lack of access to healthcare, education, water, food, housing, and the consequences of environmental degradation and climate change; others are forced to flee persecution and conflicts.