Nearly 59 million immigrants have arrived in the United States since 1965, making this nation the world’s top destination for people moving from one country to another. Mexico, which shares a nearly 2,000-mile border with the U.S., is the source of the largest wave of immigration in history from a single country to the United States.
But today’s volume of immigrants is in some ways a return to America’s past. Read more and explore the interactive maps that show how immigrant sources have changed over the century.