The U.S. is a nation of immigrants. According to the Department of Homeland Security, in 2012, there were 484,072 new, legal entrants into the United States. Statistics also estimate that around 11.5 million illegal immigrants reside in the U.S. today. This timely edition discusses the history of immigration in the United States, the economic impact of immigration, the impact of illegal immigration, and the assimilation and identity of immigrants.