Scholars and activists have hypothesized a connection between environmental change and out-migration. In this paper we test this hypothesis using data from Nepal. We operationalize environmental change in terms of declining land cover, rising times required to gather organic inputs, increasing population density, and perceived declines in agricultural productivity. In general, environmental cha...

The loss of California population to domestic migration has undergone significant changes over the last fifteen years. While traditionally the outflow has been seen as "white or middle class flight," recently a new underlying dynamic has begun to assert itself: Hispanic out-migration. Having spent some time in California, both newly-arrived and later generation Hispanics are subsequently migrat...

Around 200,000 yr ago, Homo sapiens emerged in Africa. By 40 ka, Homo sapiens had spread throughout Eurasia, and a major competing species, the Neanderthals, became extinct. The factors that drove our species “out of Africa” remain a topic of vigorous debate. Existing research invokes climate change as either providing opportunities or imposing limits on human migration. Yet the paleoclimate hi...

The out-migration of parents has become a common childhood experience worldwide. It can confer both economic benefits and social costs on children. Despite a growing literature, the circumstances under which children benefit or suffer from parental out-migration are not well understood. The present study examined how the relationship between parental out-migration and children's education varie...

William H. Frey is Research Scientist and Associate Director for Training at the Population Studies Center, the University of Michigan, Ann Arbor, Michigan. Forthcoming in Andrei Rogers (ed.) Elderly Migration and Population Redistribution, London: Belhaven. The data for this analysis were compiled at the Population Studies Center, the University of Michigan, from U.S. Decennial Censuses: 1960,...