OMB control number
Application for Naturalization
OMB 1615-0052 · DHS/USCIS.
OMB 1615-0052
The information collected on this form is used by lawful permanent residents seeking to become naturalized citizens of the United States. The U.S. Citizenship and Immigration Services (USCIS) uses this form to determine an applicant's eligibility for naturalization.
The latest form for Application for Naturalization expires 2027-03-31 and can be found here.
⏳ Form N-400 Processing Time / Approval Rate - Application for Naturalization
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OMB Details
Application for Naturalization
Federal Enterprise Architecture: Homeland Security - Border and Transportation Security
| Form N-400 | Application for Naturalization | Fillable Printable | Form |
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