Anxiety around immigration is far from recent, yet there are concerns that it is reaching a new peak with far-right parties attaining positions of power in places such as Sweden and Italy, and nationalistic rhetoric entering the daily mainstream. Populist and radical-right politicians from the United States to France, Denmark, and beyond have exploited anxiety around large-scale demographic change, stoking fears of immigrants “replacing” natives and erasing their culture and way of life. Our Natalia Banulescu-Bogdan discusses with researcher Justin Gest (author of “Majority Minority”) the ways in which the confluence of polarization, nationalism, and immigration seen today can be interpreted. How can increasingly diverse societies come up with a new definition of “we” that is both meaningful and inclusive?