Effective
August 2, 2004, USCIS has changed its requirements for photographs to a
standard passport-style photograph. Please see this informational
flyer for more details.
Please note:
The Instructions to Form N-400 frequently refer to information in the
USCIS
document A Guide to
Naturalization. We
encourage you to review those referenced sections of the Guide as you
complete this form.
If relevant, please see (M-599), Naturalization Information for Military Personnel (or the text version).
This version of the N-400 Application for Naturalization is available below in two formats. Each version of the form is identical.
The first is a fillable form. You should install Adobe Acrobat Reader version 5.0 to make best use of the fillable features of this form. You should also read our
instructions regarding fillable forms. This form is large (over