This revised, updated, and expanded fourth edition of Immigrant America: A Portrait provides readers with a comprehensive and current overview of immigration to the United States in a single volume. Updated with the latest available data, Immigrant America explores the economic, political, spatial, and linguistic aspects of immigration; the role of religion in the acculturation and social integration of foreign minorities; and the adaptation process for the second generation. This revised edition includes new chapters on theories of migration and on the history of U.S. - bound migration from the late nineteenth century to the present, offering an updated and expanded concluding chapter on immigration and public policy.