The overwhelming majority of permanent residents eligible to naturalize and file Form N-400, Application for Naturalization, fall into one of the following categories:
- Have been a permanent resident for the past 5 years [Learn more]; or
- Currently married to and living with a U.S. citizen and have been married to and living with that same U.S. citizen for the past 3 years [Learn more]; or
- Currently serving in the U.S. Armed Forces (or will be filing the application within 6 months of an honorable discharge) and have served for at least 1 year [Learn more].
There are special provisions that exempt certain applicants from the general requirements listed above. A Guide to Naturalization (Form M-476) can be used to research other eligibility options.
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