When the great period of immigration began in the 19th century, population growth in both Europe and Asia outstripped the available farmland, displacing millions and sending many to America ...

Immigration was the key to Iowa's early growth, and it perhaps will be the most vital component in the future, but it will look decidedly different than it did almost 200 years ago, demographers say.

Nearly 3 million Russians entered during the first wave of open immigration that began in the late 19th century and continued into the early 20th century. However, only about 20,000 found their way ...

Illegal immigration results in an estimated $25 ... Mexico sees the U.S. the way 19th-century elites in this country saw the American frontier: as a valuable escape hatch for the discontented ...