Which Documents You Need for an Affidavit of Support

What an Affidavit of Support Is and Why Documents Matter

An affidavit of support is a legal promise that you will financially support a family member or other alien seeking to immigrate to or remain in the United States. It is usually required during visa processing, adjustment of status, or certain removal proceedings. Because the form relies on your income and assets, immigration authorities ask for proof that you are who you say you are, that you have a qualifying relationship, that the person is in a recognized immigration status, and that you meet income requirements. Providing complete, organized documents reduces delays and requests for evidence.

Core Identity and Relationship Proof

How to Prove Who You Are and Your Connection to the Applicant

To establish that you are legally present and eligible to sign an affidavit, include documents that confirm your identity, citizenship or lawful presence, and relationship to the applicant. These are foundational; missing or mismatched names can slow processing.

• For U.S. citizens and lawful permanent residents: an original or certified copy of a birth certificate, naturalization certificate (if applicable), or a current passport.
• Current government-issued photo ID, such as a driver’s license or state ID.
• Proof of relationship, typically a certified or official birth certificate showing names of both parents, a marriage certificate for spouses, or a court adoption decree.
• If the relationship involves a name change, include a court order or marriage certificate that links the names.

Immigration agencies prioritize documents that are difficult to alter, such as long-form birth certificates issued by a city or state, and certified translations for anything not in English.

Immigration Status Documentation

Evidence the Sponsored Person Can Be Supported

You must demonstrate the applicant’s current immigration status and, where applicable, the basis for admission or adjustment. This shows the sponsor is committing to a person whom the government has authorized to be in the U.S. or who is otherwise admissible.

• Passport biographic page and valid visa, if applicable.
• Form I-94, Arrival/Departure Record.
• Approval notices for pending applications, such as Form I-130 (Petition for Alien Relative), I-485 (Application to Register Permanent Residence or Adjust Status), or I-751 (Petition to Remove Conditions on Residence).
• Asylum or Temporary Protected Status documentation if relevant; these statuses can make a person eligible to be the beneficiary of an affidavit of support.

When status is derived from a family member (for example, a child under age 21 unmarried), a birth certificate may establish status; for employment-based cases, approval notices and employer documentation clarify eligibility.

Financial Capacity Evidence

Proof of Income and Ability to Meet the Thresholds

The most scrutinized part of an affidavit is proving you earn or hold enough to support the applicant(s) without relying on public benefits. The regulations use your federal tax returns, pay stubs, and other evidence of income to calculate whether you meet the required income level.

• Most recent federal tax returns (signed copies are acceptable if certified copies are not immediately available).
• W-2 forms for each year covered by the tax return; for self-employed applicants, Schedule C or business financials may be reviewed.
• Recent pay stubs showing year-to-date earnings; if not available, use the prior year’s earnings averaged across pay periods.
• Other income evidence such as pension statements, annuity letters, or signed employer verification of salary.
• For households with additional wage-earners, include their pay stubs and tax returns to compute combined income.

Income is generally compared to the poverty guidelines for your household size; USCIS uses 125 percent of the federal poverty line, though some cases and benefits may reference 100 percent. Gather at least three months of bank statements only if income is irregular or you rely heavily on assets.

Income Level Snapshot (Illustrative Examples)

Use these figures to estimate whether your income meets the threshold for the household sizes commonly cited in guidance. Always verify the latest figures on official government sites, as guidelines are updated periodically.

*Illustrative ranges; confirm exact figures on the official government website for the current fiscal year.

When Income Alone Is Not Enough

Using Assets and Co-Sponsors to Meet Requirements

If your income is short of the threshold, you may rely on assets or have a co-sponsor. Assets must be liquid or easily convertible and documented. A co-sponsor signs a separate agreement and must meet the same evidence standards you would, which strengthens the case.

• Bank statements covering the past several months; certificates of deposit; and stock or bond statements are commonly accepted.
• Property deeds alone are usually not enough unless you plan to sell or use equity; focus on cash or easily liquidated accounts.
• Use a standardized asset worksheet to list account types, balances, and sources.
• If a co-sponsor is used, include their proof of identity, status, relationship (if applicable), and financial documents.

When assets are used, explain clearly how and when they can be accessed. For ongoing support, consistent income is more persuasive than one-time liquidations.

Checklist and Common Pitfalls to Avoid

How to Submit a Complete, Defensible Package

A checklist keeps your package consistent and reduces the chance of delays. Submit clear copies, translations, and any required signatures. Avoid last-minute scrambles by checking item-by-item against the official form instructions.

• Current government-issued photo ID for all signatories.
• Certified or official birth certificates, translated if necessary.
• Marriage or court documents linking names in the relationship chain.
• Most recent tax returns and W-2s for every year required.
• Recent pay stubs or alternative income verification.
• Bank statements and asset details only if you are showing asset coverage or have irregular income.
• Signed instruction letter or translation certification if documents are in another language.

Common pitfalls include submitting only a driver’s license for identity (not sufficient alone), missing names or mismatched dates, and providing pay stubs without year-to-date context. If you cannot obtain a tax return, a signed IRS tax transcript is generally acceptable, but check the specific instructions for the form or proceeding you are using.