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USCIS Immigration Forms

Most Common USCIS Immigration Forms

If you don’t know the form name or get a number wrong, it can be hard to find the immigration form you need. Here we’ve collected the most used citizenship and immigration forms at the top and listed common USCIS forms below in alphabetical order with their official form names.

I-485 (Application to Register Permanent Residence or Adjust Status)

Also known as a green card application, this form is for immigrants looking to become permanent U.S. residents.

N-400 (Application For Naturalization)

Sometime referred to as a application for citizenship, this form is submitted when an immigrant applies to become a U.S. citizen.

N-600 (Application for Certificate of Citizenship)

This form is for an official certificate recognizing a child’s status as a U.S. citizen. This is not an application to become a U.S. citizen.

I-130 (Petition for Alien Relative)

This form is used when a U.S. citizen or permanent resident wants to help a relative immigrate to the United States.

I-864 (Affidavit of Support)

This form is required for some immigrants to show that they have adequate means of financial support and are not likely to rely on the U.S. government for financial support.

Other USCIS Immigration Forms



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