N-644 Application for Posthumous Citizenship
Grants citizenship after death to a noncitizen who died from injury or disease incurred in active duty with the U.S. armed forces during a designated period of hostilities. It must be filed within two years of the death. It also opens immigration benefits for the surviving family.
- Fee
- $0
- Fee waiver
- Not available
- Who files
- The next of kin, or a representative of the deceased service member's estate.
- Where to file
- By mail to the USCIS office named in the instructions.
Usually filed with
Part of these processes
What changed in 2025 and 2026
- The two-year deadline runs from the date of death. An approved posthumous citizenship grant also supports family benefits on Form I-360.
Official page. https://www.uscis.gov/n-644. Download the form there, never from a third-party site; check the edition date and fee before filing.