What is Form I-864, and why is it required?

Form I-864 is the Affidavit of Support required in most family-based immigrant visa and adjustment of status cases. It’s designed to demonstrate that the intending immigrant has financial support and is unlikely to become dependent on certain public benefits after receiving permanent residence.

The legal foundation for the affidavit of support is INA § 213A. USCIS also provides the official Form I-864 filing page, which includes the current form, instructions, and filing guidance.

In practical terms, the sponsor is promising to support the immigrant at the required income level. That promise can be enforced by the sponsored immigrant or, in some cases, by a government agency that provides certain means-tested public benefits.

This is why the I-864 matters in many discussions of green card sponsor income requirements. It is both a financial eligibility document and a long-term legal commitment.

Who needs Form I-864?

Form I-864 is most commonly required when a U.S. citizen or lawful permanent resident sponsors a family member for a green card. This includes many petitions for spouses, parents, children, and siblings.

It is also required in some employment-based cases where the petitioning employer is a relative of the intending immigrant or where a relative has a significant ownership interest in the petitioning company.

In marriage-based cases, the I-864 is a central part of the process. If you’re sponsoring a spouse, the financial sponsorship stage often appears alongside evidence of the relationship and other documents in the broader marriage-based green card timeline.

Applicants outside the United States usually submit the affidavit through the National Visa Center during consular processing. Applicants inside the United States usually submit it with their adjustment of status package, depending on the case.

Income requirements for Form I-864

The sponsor must usually show enough income to support their household at or above 125% of the federal poverty guidelines. Active-duty military sponsors petitioning for a spouse or child may qualify at 100% instead.

The required amount varies with household size and is updated each year. Sponsors should check the current federal poverty guidelines before filing.

Calculating household size

Household size for I-864 purposes isn’t always the same as the number of people living in the sponsor’s home. It generally includes the sponsor, the sponsor’s spouse, dependent children, any other dependents listed on the sponsor’s most recent federal tax return, the intending immigrant, and certain immigrants previously sponsored on an I-864 whose obligations have not ended.

This can surprise sponsors. For example, someone may live alone but still have a larger I-864 household size because they claim dependents on their tax return or previously sponsored another immigrant.

Getting household size right is important because it directly affects the income threshold. A small mistake can make the affidavit look insufficient even when the sponsor thought they qualified.

What income counts

USCIS generally looks at the sponsor’s current annual income. Common income sources include wages, salaries, self-employment income after business expenses, pension income, retirement income, rental income, and certain other ongoing income.

The sponsor’s federal tax return or IRS transcript is usually the key supporting document. Current pay stubs, an employment verification letter, recent contracts, or proof of self-employment income may also help show that the sponsor currently meets the threshold.

For self-employed sponsors, income can be more complicated because USCIS usually focuses on net income rather than gross revenue. That means strong documentation matters.

What documents are needed for Form I-864?

The I-864 package usually includes the completed form, the sponsor’s most recent federal income tax return or IRS tax transcript, and evidence of current income. Depending on the case, this may also include W-2s, 1099s, pay stubs, an employer letter, proof of assets, or joint sponsor documents.

If the applicant is applying from abroad, the I-864 is usually submitted during the National Visa Center stage alongside the DS-260 form and civil documents.

If the applicant is applying from within the United States, the I-864 is usually included in the adjustment package. The choice between adjustment of status and consular processing affects when and how the affidavit is submitted.

The documents should be consistent with the rest of the immigration application. If the I-864 lists a single household size, income amount, or address while other forms indicate otherwise, that can trigger delays or requests for evidence.

Using assets to supplement income

If the sponsor’s income is below the required threshold, assets may be used in certain cases to cover the shortfall. The assets must be available and capable of being converted to cash within a reasonable time.

Common assets include savings accounts, checking accounts, stocks, bonds, certificates of deposit, and the net equity in real estate. Net equity means the property’s value minus any mortgage or liens.

The usual rule is that the asset value must be at least five times the income shortfall. For a U.S. citizen sponsoring a spouse or child, the required asset value is generally three times the shortfall. For certain orphan cases, different rules may apply.

For example, if the sponsor is $5,000 short of the income requirement, they may need $25,000 in qualifying assets under the standard five-times rule, or $15,000 in qualifying assets under the three-times rule for a qualifying spouse or child of a U.S. citizen.

Assets can help, but they must be documented clearly. USCIS needs evidence of ownership, value, and any debts or liens against the asset.

Joint sponsors

If the original sponsor cannot meet the income requirement, a joint sponsor may be used. A joint sponsor files a separate I-864 and must independently meet the income requirement for their own household size plus the intending immigrant.

A joint sponsor must be a U.S. citizen or lawful permanent resident, at least 18 years old, and domiciled in the United States. The joint sponsor need not be related to the petitioner or the intending immigrant.

This isn’t just a favor. A joint sponsor takes on the same enforceable legal obligation as the original sponsor. They may be financially responsible if the sponsored immigrant receives certain means-tested public benefits, and the sponsored immigrant may also be able to enforce the support obligation directly.

Because of that, anyone considering joint sponsorship should understand the difference between a casual promise and an enforceable immigration contract. Broader visa sponsorship discussions often underestimate how serious the I-864 obligation is compared with temporary visa support forms.

Form I-864 vs. Form I-134

Form I-864 is often confused with Form I-134. They are not the same.

Form I-864 is the affidavit of support used in most green card sponsorship cases. It is legally enforceable under INA § 213A and creates long-term financial obligations.

Form I-134 is generally used as a declaration of financial support in certain temporary or humanitarian contexts. It doesn’t create the same type of long-term I-864 obligation. The distinction between Form I-134 and Form I-864 matters because signing the wrong form, or misunderstanding the form you’re signing, can lead to confusion about the sponsor’s responsibilities.

The legal obligations created by Form I-864

The I-864 is enforceable. That is the feature sponsors often underestimate.

By signing it, the sponsor agrees to maintain the sponsored immigrant at the required level of support. If the sponsored immigrant receives certain means-tested public benefits, a government agency may seek reimbursement from the sponsor. The sponsored immigrant may also be able to sue the sponsor to enforce the support obligation.

The I-864 obligation usually continues until one of the legal terminating events occurs. It generally ends when the sponsored immigrant becomes a U.S. citizen, earns or can be credited with 40 qualifying quarters of work under the Social Security Act, dies, ceases to be a lawful permanent resident and leaves the United States, or receives a new grant of adjustment of status in a removal context with a new affidavit of support where required. The sponsor’s death can also end the sponsor’s obligation.

Divorce doesn’t automatically end the I-864 obligation. This is one of the most important points for marriage-based sponsors to understand before signing. Even if the relationship ends, the affidavit can remain enforceable until one of the recognized termination events occurs.

Form I-864 and the public charge rule

The I-864 is closely tied to public charge concerns. In simple terms, the affidavit helps demonstrate that the intending immigrant has financial support and is unlikely to become primarily dependent on certain public benefits.

The public charge rule can affect green card applicants in specific ways, depending on the type of case and the applicant’s circumstances. The I-864 is often a key document used to demonstrate financial support in family-based cases.

That said, submitting an I-864 doesn’t automatically guarantee approval. USCIS or a consular officer can still review the full record, including income, assets, household size, immigration history, and other eligibility issues.

Common Form I-864 mistakes

Many I-864 problems are avoidable. The most common mistakes involve household size, income documentation, tax records, and joint sponsor issues.

A sponsor may accidentally use the wrong household size, rely on gross business income instead of net income, omit required tax documents, or assume that assets count without documenting their value. In consular cases, missing or weak financial documents can delay National Visa Center review or the visa interview.

Another common mistake is assuming that a joint sponsor solves every problem. A joint sponsor must independently qualify, and their documents must be complete. If the joint sponsor’s household size or income is calculated incorrectly, the case can still be delayed.

For spousal cases, financial sponsorship is often one of the most important parts of a spousal green card filing. Carefully preparing the I-864 from the start can reduce the risk of avoidable delays.

How a family or immigration lawyer can help

Form I-864 requires more than filling in income numbers. The sponsor must correctly calculate the household size, document current income, determine whether assets can be used, and understand the legal consequences of signing.

An immigration attorney can review tax returns, pay records, household size, asset documents, and joint sponsor options before the affidavit is submitted. They can also help identify inconsistencies between the I-864 and the rest of the immigration application.

Marble’s immigration attorneys can help petitioners and joint sponsors prepare I-864 filings with transparent flat-fee pricing and practical guidance.

Final thoughts

Form I-864 is one of the most important financial documents in a family-based green card case. It can determine whether the case moves forward, whether more evidence is requested, and whether the sponsor takes on obligations they fully understand.

The strongest approach is to treat the I-864 as both an immigration filing and a legal contract. Make sure the income requirement is met, the household size is correct, the supporting documents are complete, and any joint sponsor understands the commitment. If the financial picture is complicated, getting legal guidance early can help avoid delays and long-term surprises.