North America

Explore research, events, and more on migration in North America.

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Immigrant Union Members: Numbers and Trends

Immigrant union membership grew 24 percent between 1996 and 2003—even as union representation declined among the U.S. born—raising immigrants' share of the organized workforce.

Naturalization in the United States in 2002

U.S. naturalizations nearly doubled from 6.5 million in the early 1990s to 11.3 million by 2002, yet 7.9 million eligible immigrants had not naturalized.

Post-Sept. 11 Security Fears, Policies Seize Spotlight

The U.S. Department of Homeland Security (DHS) issued new detention rules and a government commission declared post-September 11 immigration security measures largely ineffective in spring 2004.

Policy Changes Target Border Security

In spring 2004, the United States’ H-2B visa cap was hit for the first time; the Department of Homeland Security (DHS) also launched a drone-based Arizona border initiative and issued rules for the U.S.-Canada Safe Third Country Agreement.