Amid rising public skepticism and outright opposition to migration in a number of countries, 2018 was marked by a turn to harder policies in the United States and parts of Europe—even as most of the world came together to endorse a first ever international compact on migration. The year unfolded with an escalation of humanitarian crises in sub-Saharan Africa, South America, and beyond. Join us here for a review of the most consequential developments of the year in this countdown of the Top 10 Migration Issues of 2018.