Application for Naturalization

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 is listed under ICR 202502-1615-006.

View the official OMB control history on Reginfo.gov.

⏳ Form N-400 Processing Time / Approval Rate - Application for Naturalization

Latest forms, documents, and information collections

Document	Type
Form N-400 Application for Naturalization	Form
N-400-024 REV Supporting Statement.docx	Supporting Statement A
G1055-INS-(NATZ Fee Adjustments NPRM)-OMBReview-06162026.pdf	Supplementary Document
N400-024-INS-TOC-NATZ Fee Adjustments NPRM-OMBReview-06162026.pdf	Supplementary Document
N400-024-INS-TOC-NATZ Fee Adjustments NPRM-OMBReview-06162026.pdf	Supplementary Document
N400-024-FRM-TOC-NATZ Fee Adjustments NPRM-OMBReview-06162026.pdf	Supplementary Document
N-400-024 Fee Adjustment NPRM REV Copy Deck v0.0.1.pdf	Supplementary Document
privacy-pia-071-uscis-myuscisaccountexperience-dec15,2017.pdf	Supplementary Document
privacy-pia-056-uscis-eliseappendixaupdate-may17,2016.pdf	Supplementary Document
privacy-pia-056-uscis-eliseappendixaupdate-may17,2016.pdf	Supplementary Document
privacy-pia-015b-uscis-claims4update-nov5,2013.pdf	Supplementary Document
privacy-pia-015b-uscis-claims4update-nov5,2013.pdf	Supplementary Document
SORN 018 DHS_USCIS IBBC 20180731.pdf	Supplementary Document
privacy-pia-003-uscis-iddmp-sept24,2013.pdf	Supplementary Document
8 U.S.C. 1448 Section 337.docx	Supplementary Document
8 U.S.C. 1421.docx	Supplementary Document
8 U.S.C. 1421.docx	Supplementary Document
8 CFR 316.10.pdf	Supplementary Document
8 CFR 316.10.pdf	Supplementary Document
8 CFR 316.4.doc	Supplementary Document
SORN 007 Benefits Info Sys 2016 10 19.pdf	Supplementary Document
SORN 007 Benefits Info Sys 2016 10 19.pdf	Supplementary Document
SORN 001 AFileIndexNFTS 2017 09 18.pdf	Supplementary Document
Application for Naturalization	Form
Application for Naturalization	Form
Application for Naturalization	Instruction
Application for Naturalization - E-filing	Other-N-400 E-filing Screenshots
Biometric Processing	Information collection

Historical document collections

Reference	Filing	Received	Concluded	Action
202606-1615-009	Revision of a currently approved collection	2026-06-24
202508-1615-037	Revision of a currently approved collection	2025-11-10
202502-1615-006	No material or nonsubstantive change to a currently approved collection	2025-02-19		Approved without change
202403-1615-003	Revision of a currently approved collection	2024-03-15		Approved without change
202401-1615-001	Revision of a currently approved collection	2024-01-29		Approved without change
202212-1615-021	Revision of a currently approved collection	2023-01-24		Comment filed on proposed rule and continue
202208-1615-004	Extension without change of a currently approved collection	2022-09-15		Approved without change
202009-1615-051	Revision of a currently approved collection	2020-09-15		Comment filed on proposed rule and continue
202007-1615-048	No material or nonsubstantive change to a currently approved collection	2020-08-05		Approved with change
201911-1615-004	No material or nonsubstantive change to a currently approved collection	2019-11-29		Withdrawn and continue
201903-1615-006	Extension without change of a currently approved collection	2019-03-29		Approved without change
201612-1615-004	Revision of a currently approved collection	2016-12-13		Approved with change
201612-1615-001	Revision of a currently approved collection	2016-12-09		Comment filed on proposed rule and continue
201610-1615-032	Revision of a currently approved collection	2016-10-21		Withdrawn and continue
201609-1615-005	No material or nonsubstantive change to a currently approved collection	2016-09-29		Approved without change
201608-1615-001	No material or nonsubstantive change to a currently approved collection	2016-08-08		Approved with change
201605-1615-006	No material or nonsubstantive change to a currently approved collection	2016-05-26		Approved with change
201604-1615-001	Revision of a currently approved collection	2016-04-25		Comment filed on proposed rule and continue
201509-1615-008	Revision of a currently approved collection	2015-09-30		Approved with change
201303-1615-004	Revision of a currently approved collection	2013-03-28		Approved with change
201203-1615-010	No material or nonsubstantive change to a currently approved collection	2012-04-19		Withdrawn and continue
201111-1615-002	Extension without change of a currently approved collection	2011-11-28		Approved with change
201104-1615-009	No material or nonsubstantive change to a currently approved collection	2011-04-29		Approved without change
201011-1615-005	Extension without change of a currently approved collection	2010-11-19		Approved without change
201009-1615-006	No material or nonsubstantive change to a currently approved collection	2010-09-02		Approved without change
201002-1615-002	No material or nonsubstantive change to a currently approved collection	2010-02-17		Approved without change
200911-1615-004	Extension without change of a currently approved collection	2009-12-03		Approved without change
200808-1615-019	Revision of a currently approved collection	2008-10-09		Approved with change
200709-1615-002	Extension without change of a currently approved collection	2007-09-13		Approved without change
200707-1615-027	No material or nonsubstantive change to a currently approved collection	2007-07-10		Approved without change
200607-1615-005	Extension without change of a currently approved collection	2006-08-30		Approved without change
200601-1615-005	No material or nonsubstantive change to a currently approved collection	2006-01-23		Approved without change
200507-1615-007	Extension without change of a currently approved collection	2005-07-29		Approved without change
200303-1615-054	Extension without change of a currently approved collection	2003-03-01		Approved without change

Application for Naturalization

Federal Enterprise Architecture: Homeland Security - Border and Transportation Security

Information collection instruments

Form	Name	Electronic access	Type
Form N-400	Application for Naturalization	Fillable Printable	Form

Review document collections for all forms, instructions, and supporting documents - including paper/printable forms.