Stories by Kingsley Davis

Ancient migrations carried man to almost every corner of the earth; modern ones are an ebb and flow that results from technological and economic inequality. The migrations of today are the largest of all

Colin Clark and the benefits of an increase in population

An issue on cities: how they arose, how they are evolving in various circumstances, how they shape themselves. More than half the world's people will probably be living in cities of 100,000 or more by 1990

At the current growth rate the world's population would multiply sixfold in a century. Recent history suggests, however, that the rate will be cut by people acting in their own private interest