Family ties are the foundation of the US immigration system. Of the roughly one million green cards issued each year, more than two-thirds go to relatives of US citizens and lawful permanent residents. But "family-based immigration" is not a single process—depending on who is sponsoring whom and what your relationship is, the timeline can range from 12 months to 20-plus years, the fees can top $4,000 per applicant, and the income requirements can disqualify an otherwise eligible sponsor.
This guide explains who can sponsor whom, the difference between immediate relatives and family preference categories, how the visa bulletin and priority dates work, the Affidavit of Support income requirement, conditional green cards for recent marriages, and practical timelines you can plan around. This is educational information only and not legal advice. Always verify current requirements on USCIS.gov and travel.state.gov, and consult a licensed immigration attorney before filing.
Who can sponsor whom
Not every family relationship qualifies for sponsorship. US citizens have broader sponsorship rights than lawful permanent residents (LPRs).
US citizens can sponsor
- Spouse
- Unmarried children of any age (under 21 = immediate relative; 21+ = F1 preference)
- Married children of any age (F3 preference)
- Parents, if the citizen is age 21 or older (immediate relative)
- Siblings, if the citizen is age 21 or older (F4 preference)
Lawful permanent residents can sponsor
- Spouse (F2A preference)
- Unmarried children of any age (under 21 = F2A; 21+ = F2B preference)
LPRs cannot sponsor parents, married children, or siblings. Grandparents, aunts, uncles, cousins, and in-laws cannot be sponsored directly through either US citizens or LPRs—immigration law recognizes only the relationships listed above.
Immediate relatives vs family preference categories
The most important distinction in family immigration is whether your relationship is an "immediate relative" relationship or a "family preference" relationship. The difference can mean a 15-year wait.
Immediate relatives of US citizens
Immediate relatives are spouses, unmarried minor children (under 21), and parents of US citizens age 21+. This category has no annual cap, so visas are always available. There is no priority date wait—once USCIS approves the I-130 petition, the beneficiary can immediately file the I-485 (if in the US) or proceed with consular processing.
Realistic timeline: 10–18 months from I-130 filing to green card in hand for adjustment of status; 14–22 months for consular processing. Filing fee: $675 for the I-130 plus $1,440 for the I-485.
Family preference categories
All other family relationships fall under capped preference categories. Once the cap is reached, applicants wait in line based on their priority date (the day USCIS received the I-130).
| Category | Relationship | Annual cap | Wait (most countries) | Wait (heavily backlogged countries) |
|---|---|---|---|---|
| F1 | Unmarried adult children (21+) of US citizens | 23,400 | 7 years | 15+ years (Mexico, Philippines) |
| F2A | Spouses and unmarried minor children of LPRs | 87,934 | 2–4 years | 5–8 years (Mexico) |
| F2B | Unmarried adult children of LPRs | 26,266 | 7 years | 20+ years (Mexico, Philippines) |
| F3 | Married children of US citizens | 23,400 | 12 years | 20+ years (Mexico, Philippines) |
| F4 | Siblings of US citizens | 65,000 | 14 years | 22+ years (Philippines, India) |
Country-of-birth backlogs are driven by the per-country cap—no single country can receive more than 7% of family preference visas in a year. Because Mexico, the Philippines, India, and China produce many more applicants than 7% allows, wait times in those categories stretch dramatically. A Filipino sibling of a US citizen filing today may wait 22 years for a green card.
The visa bulletin and priority dates
The Department of State publishes the Visa Bulletin every month, listing "cutoff dates" for each preference category and country. If your priority date is earlier than the cutoff date listed for your category, your date is "current" and you can move forward with the green card application.
Two tables appear in the bulletin:
- Final Action Dates — when USCIS or a consulate can actually approve the green card.
- Dates for Filing — when you can submit your I-485 (or DS-260) application, even before the date is fully current.
Each month, USCIS announces which table to use for adjustment of status filings. Tracking the bulletin monthly is essential for preference-category applicants. Dates can move forward, stall, or even retrogress (move backward) when demand spikes late in the fiscal year.
The Affidavit of Support (Form I-864)
Every family-based sponsor must sign Form I-864 Affidavit of Support, a legally enforceable contract between the sponsor and the US government. By signing, the sponsor promises to financially support the immigrant at 125% of the federal poverty line and to repay the government for any means-tested public benefits the immigrant uses for up to 10 years.
Income requirement
The sponsor's household income must be at least 125% of the federal poverty line for their household size, which includes the sponsor, the sponsor's dependents, anyone else sponsored on prior I-864s, and the immigrant being sponsored now. For 2024, the guideline for the contiguous 48 states:
| Household size | 125% of poverty line (2024) |
|---|---|
| 2 | $25,550 |
| 3 | $32,188 |
| 4 | $38,825 |
| 5 | $45,463 |
| 6 | $52,100 |
Active-duty military sponsoring a spouse or child need meet only 100% of the poverty line. Alaska and Hawaii have separate, higher guidelines.
What counts as income
Sponsors report income from the most recent tax year, the current year-to-date, and projected annual income. Wages, self-employment income, interest, dividends, rental income, pensions, and most other taxable income all count. The sponsor must provide the most recent three years of federal tax returns, pay stubs from the past six months, and an employer letter confirming continued employment.
When income is not enough
If the sponsor's income falls short, three options exist:
- Add household income from a spouse or other household member using Form I-864A, if that person's income will be combined with the sponsor's.
- Use assets (savings, investments, real estate other than the primary residence) to make up the shortfall. Assets must equal five times the income gap (three times for spouses and children of citizens).
- Find a joint sponsor — a US citizen or LPR who meets the income requirement independently and signs their own I-864. Joint sponsors are common and fully legitimate, but the joint sponsor also accepts the 10-year repayment obligation.
The I-130 petition step by step
Every family-based case begins with Form I-130 Petition for Alien Relative, filed by the US citizen or LPR sponsor. The form asks for the sponsor's identity, citizenship or LPR status, the beneficiary's identity, and proof of the qualifying relationship.
Documents required
- Proof of US citizenship (passport, birth certificate, naturalization certificate) or LPR status (green card).
- Proof of the qualifying relationship: marriage certificate for spouses, birth certificates for children, parents, and siblings.
- Proof of bona fide relationship for spouses: joint bank accounts, leases, utility bills, photos, tax returns, affidavits from friends and family.
- Filing fee of $675.
For spousal cases, USCIS scrutinizes the marriage for fraud. Evidence of a shared life—joint lease or mortgage, joint bank accounts, named beneficiaries on insurance, photos of the couple over time, holiday cards addressed to both—substantially strengthens the case. Affidavits from third parties who have personal knowledge of the marriage are also valuable.
I-130 processing time
USCIS processing times for I-130s range from 4 months (California Service Center, immediate relative cases) to 18+ months (some field offices for preference categories). Premium processing is not available for I-130s. Once the I-130 is approved, immediate relatives can move forward immediately; preference category applicants wait for their priority date to become current.
Adjustment of status vs consular processing
If the beneficiary is already inside the US on a valid nonimmigrant visa, they typically file Form I-485 Application to Adjust Status with USCIS. The I-485 requires biometrics ($85), a medical exam by a USCIS-designated civil surgeon ($300–$600), and an interview at a USCIS field office. Total I-485 filing fee: $1,440 per applicant, which includes the I-765 work authorization and I-131 travel authorization.
If the beneficiary is outside the US, the case goes through consular processing. After I-130 approval, USCIS forwards the case to the National Visa Center (NVC), which collects the Affidavit of Support, civil documents, and the DS-260 immigrant visa application. Once complete, NVC schedules an interview at the US embassy or consulate in the beneficiary's country. If approved, the beneficiary receives an immigrant visa and enters the US as a permanent resident—the green card is mailed within 45 days of entry.
Consular processing is generally faster than adjustment of status for immediate relatives abroad (12–18 months), but adjustment of status is usually faster for beneficiaries already in the US (8–14 months).
Conditional green cards for recent marriages
If a US citizen or LPR sponsors a spouse and the marriage is less than two years old when the green card is approved, the spouse receives conditional permanent residency valid for two years. The conditional card looks identical to a regular green card but has an expiration date two years out.
Ninety days before the conditional card expires, the couple must jointly file Form I-751 Petition to Remove Conditions on Residence. The I-751 requires evidence that the marriage was entered in good faith—not solely for immigration benefits—such as joint financial records, leases, insurance, photos, and affidavits. Filing fee: $750 plus $85 biometrics.
If the marriage has ended in divorce, death, or abuse, the conditional resident can request a waiver of the joint filing requirement. Waiver cases are more heavily scrutinized and benefit from attorney representation.
Failure to file I-751 in the 90-day window results in automatic termination of permanent residency and referral to immigration court. Don't miss the deadline.
Children as derivatives
Children of family-based beneficiaries often qualify as derivatives on their parent's petition, but the rules differ by category:
- For immediate-relative spouses and children of US citizens, each family member needs a separate I-130. There are no derivatives in immediate relative cases.
- For preference categories, the spouse and unmarried minor children of the principal beneficiary can "accompany" or "follow to join" without a separate I-130.
A common pitfall: the Child Status Protection Act (CSPA) can freeze a child's age for visa-purposes while a petition is pending, but the calculation is complex and depends on the category, the timing of visa availability, and how quickly the child takes action after the priority date becomes current. If you have a child aging toward 21, consult an attorney immediately.
Cost breakdown for a typical spouse-of-citizen case
For an adjustment of status case filed in 2024, expect:
- I-130 filing fee: $675
- I-485 filing fee (includes biometrics, I-765, I-131): $1,440
- Medical exam (civil surgeon): $300–$600
- Translations of foreign documents: $100–$400
- Attorney fees: $2,000–$5,000 for straightforward cases
Total out-of-pocket typically runs $3,500–$7,000 per applicant. Add $750 for I-751 two years later in marriage cases under two years.
Common mistakes to avoid
First, do not underestimate the Affidavit of Support. Sponsors often assume their income obviously qualifies, but household size grows quickly—a sponsor with a nonworking spouse and two US-citizen kids sponsoring a parent has a household size of four, requiring $38,825 in 2024. Calculate the requirement before filing and gather three years of tax returns, recent pay stubs, and an employer letter.
Second, do not forget to update USCIS when you move. Sponsors and applicants must file Form AR-11 within 10 days of moving; failure to do so can mean missing interview notices and denial of the case.
Third, do not travel abroad while an I-485 is pending without advance parole (Form I-131). Leaving the US is treated as abandoning the adjustment application.
Fourth, do not let your underlying nonimmigrant status lapse while waiting for a priority date. Filing an I-130 does not grant any legal status. You must maintain valid F-1, H-1B, L-1, or other status until the green card is approved.
Fifth, do not wait until the last minute to file the I-751. The 90-day window before conditional green card expiration is strict; filing late triggers a referral to immigration court unless you can show good cause.
Sixth, do not assume sibling or adult-child cases will resolve quickly. F4 sibling cases filed today by applicants from the Philippines may not be current until the mid-2040s. Plan accordingly, and consider alternative paths (employment-based, diversity lottery) if applicable.
FAQ
Can a green card holder sponsor a spouse?
Yes, as an F2A preference category beneficiary. The wait is currently 2–4 years for most countries. The LPR sponsor files Form I-130 the same way a US citizen would, but the spouse must wait for the priority date to become current before filing the I-485 or completing consular processing. Many LPR sponsors choose to naturalize first if they are eligible, which converts the case to immediate-relative status and removes the wait.
What if my income is too low for the Affidavit of Support?
You have three options: add a household member's income with Form I-864A, count assets (savings, investments, additional real estate) at five times the income gap, or use a joint sponsor who independently meets the requirement. Joint sponsors must be US citizens or LPRs, domiciled in the US, and willing to accept the 10-year financial responsibility.
Can I sponsor my parents if I am a green card holder?
No. Only US citizens age 21 or older can sponsor parents. If you are an LPR, you must naturalize first. Once you have your Certificate of Naturalization, you can file I-130s for your parents, who are immediate relatives with no annual cap and no wait beyond processing time.
What happens to my pending I-130 if my US citizen sponsor dies?
Ordinarily, the petition is automatically revoked. However, USCIS may reinstate the petition under "humanitarian reinstatement" if there is a substitute sponsor (a US citizen or LPR family member) willing to sign an Affidavit of Support, and reinstatement is justified on humanitarian grounds. Consult an attorney—these cases are case-by-case.
How long does the whole process take for a spouse of a US citizen?
For an applicant already in the US adjusting status, expect 10–18 months from I-130 filing to green card. For an applicant abroad going through consular processing, expect 14–22 months. If the marriage is less than two years old at approval, the green card is conditional and you must file I-751 to remove conditions in two years.
This article is educational only and does not constitute legal advice. US immigration rules change frequently. Always verify current requirements on USCIS.gov and travel.state.gov, and consult a licensed immigration attorney before filing. To check which visa or green card categories you might qualify for as a starting point, try our Visa Eligibility Pre-Screener.