For almost two centuries North America has been a major destination for international migrants, but from the late nineteenth century onward, governments began t

Since the 1960s, new and more diverse waves of immigrants have changed the demographic composition and the landscapes of North American cities and their suburbs

In the hundred years ending in 1930, an estimated 2.8 million Canadians moved south of the 49th Parallel and settled in the United States. The human and technic

The market for high-skilled workers is becoming increasingly global, as are the markets for knowledge and ideas. While high-skilled immigrants in the United Sta