Data shows who 4.5 million migrants were and where they went as border surge reshaped America

Migrants line up along the U.S. Mexico border fence to apply for asylum in the United States on December 21, 2022 as viewed from Ciudad Juarez, Mexico - (Getty Images)

An unprecedented surge in border crossings over the past decade reshaped America: Millions of people from more than 150 countries arrived, bringing the U.S. immigrant population to its highest levels ever.

Now, data obtained exclusively by The Associated Press paints a picture of who these migrants are, where they went, and what happened after the border.