Swing Low, Sweet Chariot: The Mortality Cost of Colonizing Liberia in the Nineteenth Century

In the early nineteenth century, thousands of emancipated and freeborn blacks from the United States returned to Africa to colonize the area now known as Liberia. In this, the first systematic study of the demographic impact of this move on the migrants, Antonio McDaniel finds that the health of migrant populations depends on the adaptability of the individuals in the group, not on their race.

McDaniel compares the mortality rates of the emigrants to those of other migrants to tropical areas...