People’s desire to migrate permanently to other countries rebounded slightly between 2013 and 2016, but Gallup’s Potential Net Migration Index (PNMI) shows adult populations would continue to grow only in Northern America, Europe (European Union and non-EU countries), and Australia, New Zealand and Oceania if everyone who wanted to move actually moved to where they wanted. At the same time, populations in sub-Saharan Africa, Latin America and the Caribbean, the Middle East and North Africa, and Asia would wither.