This revised and updated fifth edition of Immigrant America: A Portrait provides a comprehensive and current overview of immigration to the United States, including its history, the principal theories seeking to account for its diverse origins, the main types of immigrants, and the various forms of immigrants' incorporation within American society. With the latest available data, Immigrant America further explores the economic, political, regional, linguistic, and religious aspects of immigration. It offers detailed analyses of the adaptation process experienced by adult children of immigrants and adds an updated and expanded concluding chapter on changing immigration policy regimes both past and present.