Family-Preference Visas (F1, F2, F3, F4): A Guide for Extended Family of U.S. Citizens and Residents

Not every family relationship qualifies for the fast-moving immediate relative category. Adult children, married children, siblings, and the families of green card holders fall under a different system entirely: family preference visas. These categories exist for real, qualifying relationships – they’re just capped by an annual numerical limit, which means most applicants wait in line for a visa to become available rather than moving through immediately.

This guide explains what each family preference category covers, how the waiting system actually works, what documents and costs are involved, and what happens if your circumstances change while your case is pending.

Family Preference vs. Immediate Relative Visas

Before getting into the categories themselves, it helps to understand the split at the top of family-based immigration:

• Immediate relatives – spouses, unmarried children under 21, and parents of U.S. citizens – face no annual cap. There’s no waiting list tied to visa numbers.
• Family preference categories (F1-F4) – more distant relatives, and any relative of a lawful permanent resident rather than a citizen – are subject to an annual numerical limit set by Congress under INA Section 203(a). Because more people apply each year than there are visas available, applicants wait for their priority date to become current.

This guide covers the second group.

The Four Family Preference Categories

F1: Unmarried Adult Children of U.S. Citizens

F1 covers unmarried sons and daughters, 21 years of age or older, of U.S. citizens. Under the annual allocation set by INA 203(a), this category receives 23,400 visas per year, plus any unused visas from the F4 category.

F2A and F2B: Family of Lawful Permanent Residents

F2 is reserved for the family members of lawful permanent residents (green card holders), rather than citizens, and it’s split into two subcategories:

• F2A – spouses and unmarried children under 21 of lawful permanent residents
• F2B – unmarried sons and daughters 21 or older of lawful permanent residents

The overall F2 category receives at least 114,200 visas per year, of which 77% is allocated to F2A (with the majority of F2A visas exempt from per-country limits) and 23% to F2B. In practice, F2A cases tend to move faster than F2B cases, since F2A commands the larger share of the annual allocation.

F3: Married Sons and Daughters of U.S. Citizens

F3 covers married sons and daughters of U.S. citizens, along with their spouses and unmarried children under 21. This category receives 23,400 visas per year, plus any visas not used by the F1 and F2 categories. F3 is generally one of the most backlogged family preference categories, with wait times that can run well over a decade for applicants from high-demand countries.

F4: Siblings of U.S. Citizens

F4 is for the brothers and sisters of U.S. citizens, provided the citizen petitioner is at least 21 years old. This category includes the sibling’s spouse and unmarried children under 21 as derivative beneficiaries, and receives 65,000 visas per year, plus any unused visas from the higher-preference categories. Only U.S. citizens – not lawful permanent residents – can petition for a sibling.

Priority Dates and the Visa Bulletin

Because family preference visas are numerically capped, your place in line is determined by your priority date – generally the date USCIS receives your properly filed Form I-130. Each month, the Department of State’s Visa Bulletin publishes Final Action Dates for each preference category and country of chargeability. You can move forward with the immigrant visa process only once your priority date is earlier than the relevant Final Action Date for your category and country.

A few important details about how this works in practice:

• Per-country limits apply in addition to category limits, which is why applicants from countries with historically high demand – such as Mexico, the Philippines, India, and China – often face longer waits than applicants from other countries in the same category.
• F2A numbers are mostly exempt from the per-country limit, which is one reason F2A tends to move faster than other capped categories.
• Wait times vary significantly by category and country and can range from a few years to well over a decade. Because these figures shift monthly, check the current Visa Bulletin on the Department of State’s website for up-to-date estimates rather than relying on older figures.

What Happens If Your Circumstances Change

Family preference cases can take years to process, and life circumstances often change in the meantime. A few common scenarios:

• If the petitioning permanent resident becomes a U.S. citizen: An F2A beneficiary (spouse or child under 21) is automatically upgraded to immediate relative status, eliminating the wait entirely. An F2B beneficiary (unmarried adult child) instead converts to the F1 category, which may or may not move faster depending on current Visa Bulletin dates – beneficiaries can typically request to remain in F2B if that category is moving more quickly at the time.
• If an F1 beneficiary marries: Their case generally converts to the F3 category, since F1 is specifically for unmarried children.
• If a child ages out or marries before their immigrant visa is available: Depending on the category and circumstances, protections under the Child Status Protection Act may help preserve the child’s eligibility, though the rules are technical and case-specific.

Required Documents

While your specific case may call for additional evidence, most family preference petitions and applications include:

• Form I-130, Petition for Alien Relative, filed by the U.S. citizen or lawful permanent resident petitioner
• Proof of the petitioner’s status, such as a U.S. passport, birth certificate, naturalization certificate, or a copy of the green card for lawful permanent resident petitioners
• Proof of the qualifying family relationship, such as birth certificates, marriage certificates, or other civil documents establishing the connection
• Form DS-260, Immigrant Visa Electronic Application, completed once the case becomes current and is forwarded to the National Visa Center (NVC)
• Form I-864, Affidavit of Support, demonstrating the petitioner (or a joint sponsor) meets the required income threshold
• Civil documents, including birth and marriage certificates, and police certificates from countries where the applicant has lived
• A medical examination completed by an authorized panel physician
• Passport-style photos and a valid passport

Application Process

1. File Form I-130 with USCIS. This establishes your priority date, which determines your place in line.
2. Wait for USCIS to approve the petition. Processing times vary by category and service center.
3. Wait for your priority date to become current, tracked through the monthly Visa Bulletin. This step can take anywhere from a few years to well over a decade, depending on the category and country.
4. Case transfer to the National Visa Center, once a visa is about to become available. NVC opens the immigrant visa case, collects fees, and requests supporting documents.
5. Submit Form DS-260, the Affidavit of Support, and civil documents through the Consular Electronic Application Center (CEAC).
6. Complete the required medical examination with an approved panel physician.
7. Attend the visa interview at the U.S. embassy or consulate with jurisdiction over the applicant’s place of residence.
8. Receive the immigrant visa, if approved, and travel to the United States within the visa’s validity period.
9. Pay the USCIS Immigrant Fee after visa approval and before travel, which covers production of the physical green card.

Costs

Family preference cases involve fees paid to more than one agency across the process:

• Form I-130 filing fee (USCIS): $675 by paper filing, or $625 if filed online
• Immigrant visa application fee (Department of State, via NVC): $325 per applicant
• Affidavit of Support review fee (Department of State, via NVC): $120 per case
• USCIS Immigrant Fee: $235, paid after visa approval and before the green card is produced

Beyond these government fees, budget for the medical examination (cost varies by country and provider), certified translations of foreign-language documents, certified copies of civil records, and travel to the medical exam and consular interview. Because fees are updated periodically, always confirm current amounts on the official USCIS fee schedule and the Department of State’s fee pages before filing.

Financial Sponsorship Requirements

The petitioner must sign Form I-864, Affidavit of Support, a legally binding commitment to financially support the immigrating relative. To qualify as a sponsor, the petitioner generally needs household income at or above 125% of the federal poverty guidelines for their household size. If the petitioner doesn’t meet this threshold alone, a qualifying joint sponsor can submit a separate Affidavit of Support to help satisfy the requirement.

Key Takeaways

Family preference visas extend the family-based immigration system beyond spouses, young children, and parents, covering adult children, married children, and siblings of U.S. citizens, as well as the spouses and children of green card holders. The trade-off for this broader reach is the annual numerical cap, which means your priority date – not your paperwork – often determines how quickly your case moves. Understanding which category applies to your relationship, tracking the Visa Bulletin, and knowing how a change in circumstances (naturalization, marriage, a child turning 21) affects your case are all part of managing a family preference petition realistically.

Frequently Asked Questions

What’s the difference between F2A and F2B?

Both cover family members of lawful permanent residents rather than U.S. citizens. F2A applies to spouses and unmarried children under 21, while F2B applies to unmarried sons and daughters 21 or older. F2A receives a larger share of the annual visa allocation and is largely exempt from per-country limits, so it generally moves faster than F2B.

Can a lawful permanent resident petition for a sibling?

No. Only U.S. citizens can petition for a sibling under the F4 category. A lawful permanent resident who wants to eventually sponsor a sibling would first need to become a U.S. citizen through naturalization.

How long does a family preference visa take?

It varies significantly by category and country of charge-ability, and can range from a few years to well over a decade for the most backlogged combinations, such as F3 or F4 cases from high-demand countries. Check the current Department of State Visa Bulletin for up-to-date Final Action Dates rather than relying on general estimates.

What happens to my case if my parent becomes a US citizen while I’m in the F2B category?

Your case generally converts to the F1 category, since unmarried adult children of U.S. citizens fall under F1 rather than F2B. Depending on which category is moving faster at the time, you may be able to request to remain in F2B instead.

Does getting married affect my family preference case?

It can. An F1 beneficiary (unmarried adult child of a U.S. citizen) whose case is pending generally converts to F3 (married children of U.S. citizens) upon marriage, since F1 is specifically limited to unmarried children.

Is there a minimum age to petition for a sibling under F4?

Yes. The U.S. citizen petitioner must be at least 21 years old to file a petition for a brother or sister under the F4 category.

Do family preference beneficiaries need a joint sponsor?

Only if the petitioner’s own household income doesn’t meet the required threshold under the Affidavit of Support – generally 125% of the federal poverty guidelines for their household size. In that case, a qualifying joint sponsor can help meet the requirement.

Can family preference beneficiaries work in the US while their case is pending?

Generally, no, unless they hold a separate valid nonimmigrant status that authorizes employment. Family preference status itself doesn’t grant work authorization until the immigrant visa is issued and the beneficiary is admitted to the U.S. as a lawful permanent resident.