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  1. Home | USCIS

    Join USCIS USCIS is hiring! Help us defend the homeland and secure our immigration system.

  2. Immigration and U.S. citizenship - USAGov

    Learn about U.S. residency, Green Cards, citizenship requirements, and related issues. Learn how to check your immigration application or petition with the USCIS online or by phone. Learn about …

  3. Become a Citizen | Homeland Security

    Jul 1, 2025 · The USCIS Citizenship Resource Center helps you learn how to become a United States (U.S.) citizen by birth and through naturalization.

  4. Why Is It So Hard to Become a US Citizen? - American ...

    Sep 17, 2025 · How long does it take to become a U.S. citizen? The amount of time it takes to become a citizen—from eligibility for a green card to naturalization—largely depends on a variety of factors, …

  5. What you should show to prove your US citizenship to an ICE ...

    Jan 15, 2026 · A local immigration attorney explains how an American citizen can interact with ICE agents when asked to prove their citizenship.

  6. U.S. Citizenship and Immigration Services (USCIS) - United ...

    U.S. Citizenship and Immigration Services (USCIS) - United States Department of State. Skip to content. An official website of the United States Government Here's how you know. Official websites use .gov. …

  7. United States Citizenship and Immigration Services - Wikipedia

    United States Citizenship and Immigration Services (USCIS) is an agency of the United States Department of Homeland Security (DHS) that administers the country's naturalization and …