Form I-864

#What this actually means

Form I-864 is the official Affidavit of Support — the document where a sponsor makes a legally binding promise to financially support the immigrant they're bringing to the United States. It's filed by the petitioning family member (and sometimes a joint sponsor) to prove that the immigrant won't become a "public charge" — someone who relies on government assistance.

This isn't just paperwork. It's an enforceable contract. If the sponsored immigrant receives certain means-tested government benefits, the government (or the immigrant, in some cases) can sue the sponsor to recover those costs.

#Income requirements

The sponsor must demonstrate income at or above 125% of the federal poverty guidelines for their household size. "Household size" includes the sponsor, their dependents, anyone on their tax return, and the person being sponsored. For active-duty military sponsoring a spouse or child, the threshold drops to 100%.

If the sponsor's income isn't enough, they have options:

• Count qualifying assets (savings, property, stocks) — valued at one-fifth for most relationships, or one-third for sponsoring a spouse or child
• Add a household member's income if they live with the sponsor and agree to be jointly responsible
• Bring in a joint sponsor — an entirely separate person (U.S. citizen or LPR) who independently meets the income requirement and signs their own I-864

#Where this comes up

The I-864 is required for virtually all family-based green card applications — whether through adjustment of status (I-485) or consular processing. It's also required in K-1 fiancé(e) cases, though the timing is different: you file it during the adjustment of status phase after getting married, not with the initial I-129F petition.

There's a lighter version — Form I-864EZ — for simpler cases where the sponsor's own income alone is sufficient and they're only sponsoring one person. But the full I-864 is far more common.

#Key things to know

• The financial obligation doesn't end with divorce. If you sponsor a spouse and later divorce, you're still legally responsible until one of the termination events occurs (citizenship, 40 work quarters, departure, or death)
• Tax returns are the primary evidence. USCIS typically requires the most recent year's federal return with W-2s or 1099s. Submitting three years of returns helps if income has fluctuated
• Self-employment income needs extra documentation. If you're self-employed, make sure your tax returns actually reflect sufficient income — USCIS goes by what's on the return, not what you actually earn
• A joint sponsor takes on the full legal obligation — it's not a "backup" in the casual sense. They're equally on the hook, independently
• USCIS will reject the I-864 if it's not signed or if it's based on an old tax year. Use the most current version of the form and the most recent tax return