N-400 document checklist

Proof of identity and lawful permanent residence

Permanent Resident Card (Green Card)Required2 copiesCopy of front and back of green cardIf your green card is expired, you can still apply but bring it to the interview.
Valid PassportRequiredCurrent passport and all expired passports used during LPR periodUSCIS will review travel stamps to verify trips outside the US.
Passport-Style PhotosRequired2 copiesTwo identical color photos (2x2 inches)
Driver's License or State IDIf it appliesCurrent government-issued photo ID

Evidence of continuous residence and physical presence

Travel History LogRequiredComplete list of all trips outside the US (dates, destination, purpose)Trips over 6 months require extra documentation. Trips over 1 year may break continuous residence.
Address History (5 years)RequiredComplete list of addresses for the past 5 years
Lease or Mortgage DocumentsIf it appliesProof of residence at claimed addressesUtility bills, lease agreements, or mortgage statements showing your address.

Tax compliance evidence

Federal Tax Returns (5 years)RequiredLast 5 years of federal income tax returnsYou must have filed taxes for every year you were required to. IRS transcripts are acceptable.
IRS Tax TranscriptsIf it appliesRequest from IRS.gov or call 1-800-908-9946Tax transcripts can be used in place of returns and are sometimes preferred.

For male applicants who lived in the US between ages 18-26

Selective Service RegistrationIf it appliesProof of registration or status information letterOnly if the answer is yes: Are you a male who lived in the US between ages 18 and 26?Get your status letter at sss.gov. If you failed to register, get a Status Information Letter explaining why.

Documents related to marital status

Marriage CertificateIf it appliesCurrent marriage certificateOnly if the answer is yes: Are you currently married?
Spouse Citizenship EvidenceIf it appliesIf applying under 3-year rule based on marriage to US citizenOnly if the answer is yes: Are you applying under the 3-year rule (married to US citizen)?Must provide proof that your spouse has been a US citizen for the entire 3 years.
Prior Divorce DecreesIf it appliesAll prior divorce or annulment decreesOnly if the answer is yes: Were you or your spouse previously married?

Police records and court documents if applicable

Certified Court DispositionsIf it appliesFor ANY arrests, citations, or charges — even dismissedOnly if the answer is yes: Have you EVER been arrested, cited, or charged with any offense?You MUST disclose all interactions with law enforcement, regardless of outcome. Get certified court records from each jurisdiction.
Probation/Parole Completion RecordsIf it appliesEvidence that probation or parole has been completedOnly if the answer is yes: Have you ever been on probation or parole?

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Document checklist