Application for Naturalization

OMB 1615-0052

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 2022-09-30 and can be found here.


⏳ Form N-400 Processing Time / Approval Rate - Application for Naturalization
All Historical Document Collections
Extension without change of a currently approved collection 2022-09-15
Comment filed on proposed rule and continue
Revision of a currently approved collection 2020-09-15
Approved with change
No material or nonsubstantive change to a currently approved collection 2020-08-05
Withdrawn and continue
No material or nonsubstantive change to a currently approved collection 2019-11-29
Approved without change
Extension without change of a currently approved collection 2019-03-29
Approved with change
Revision of a currently approved collection 2016-12-13
Comment filed on proposed rule and continue
Revision of a currently approved collection 2016-12-09
Withdrawn and continue
Revision of a currently approved collection 2016-10-21
Approved without change
No material or nonsubstantive change to a currently approved collection 2016-09-29
Approved with change
No material or nonsubstantive change to a currently approved collection 2016-08-08
Approved with change
No material or nonsubstantive change to a currently approved collection 2016-05-26
Comment filed on proposed rule and continue
Revision of a currently approved collection 2016-04-25
Approved with change
Revision of a currently approved collection 2015-09-30
Approved with change
Revision of a currently approved collection 2013-03-28
Withdrawn and continue
No material or nonsubstantive change to a currently approved collection 2012-04-19
Approved with change
Extension without change of a currently approved collection 2011-11-28
Approved without change
No material or nonsubstantive change to a currently approved collection 2011-04-29
Approved without change
Extension without change of a currently approved collection 2010-11-19
Approved without change
No material or nonsubstantive change to a currently approved collection 2010-09-02
Approved without change
No material or nonsubstantive change to a currently approved collection 2010-02-17
Approved without change
Extension without change of a currently approved collection 2009-12-03
Approved with change
Revision of a currently approved collection 2008-10-09
Approved without change
Extension without change of a currently approved collection 2007-09-13
Approved without change
No material or nonsubstantive change to a currently approved collection 2007-07-10
Approved without change
Extension without change of a currently approved collection 2006-08-30
Approved without change
No material or nonsubstantive change to a currently approved collection 2006-01-23
Approved without change
Extension without change of a currently approved collection 2005-07-29
Approved without change
Extension without change of a currently approved collection 2003-03-01
OMB Details

Application for Naturalization

Federal Enterprise Architecture: Homeland Security - Border and Transportation Security

Form N-400Application for NaturalizationFillable PrintableForm

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


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