New Books In Genocide Studies

Since the beginning of the twentieth century, governments around the world have expelled, en masse, more than 30 million people. Yet despite its prevalence, mass expulsion remains an understudied phenomenon as scholarly attention has been directed toward the gravest atrocities—genocide and mass killing—or toward forced migration more broadly. Mass Expulsion: The Politics of Forced Population Removal (Oxford UP, 2026) by Dr. Meghan Garrity examines why and how governments expel, providing a systematic, cross-regional account of mass expulsion over the longue durée. Using the original Government-Sponsored Mass Expulsion (GSME) dataset, the book explains when and where expulsion occurs, who is targeted, and what regimes are most likely to expel. The book identifies two overarching categories of mass expulsion—security and economic—and develops a typology of four corresponding types: counter-irredentist, counter-subversive, reprisal, and nativist. It advances a theory of mass expulsion that traces the decis