Map of the Month

These custom-crafted maps are developed by ABAG and MTC’s mapmakers who turn data into art to tell compelling stories about important trends in the Bay Area, across the nation and around the world.

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map of global migration from 1910 to 1919
June, 2018

U.S. Immigration, 1820-Present

From 1920 to 2013, 79 million people obtained lawful permanent resident status in the United States. This month’s Map of the Month visualizes all of them based on their prior country of residence. The brightness of a country corresponds to its total migration to the U.S. at the given time. 1 dot = 10,000 people.