Video Showing Two Centuries of Immigration to the United States
From 1920 to 2013, 79 million people obtained lawful permanent resident status in the United States. This map visualizes all of them based on their prior country of residence. The brightness of a country corresponds to its total migration to the United States at the given time. Take a look at this video showing two centuries of immigration to the United States since 1820.
Interactive map: metrocosm.com
1 dot = 10,000 people