F2B Visa Guide 2026: Unmarried Sons and Daughters of LPRs

What the F2B Category Is

Section 203(a)(2)(B) of the Immigration and Nationality Act reserves 23 percent of the overall second-preference allocation — the stream metadevoted to relatives of permanent residents — for the unmarried adult children of green card holders. The second preference as a whole draws 114,200 visas annually plus spillover, and within it F2A (spouses and minor children) takes 77 percent while F2B takes 23 percent. Because demand chronically exceeds that supply, F2B carries one of the longest-standing backlogs in family immigration: applicants who filed in 2019 are only now reaching the front of the worldwide line in late 2026.

The category's architecture reflects a policy compromise. Spouses and minor children of residents (F2A) move nearly currently — the October 2026 final action date is effectively September 2026 — while adult children wait years, and married children of residents get no line at all. Citizens, by contrast, can sponsor married children (F3) and siblings (F4) as well as unmarried adult children (F1). For a green card holder with a 24-year-old unmarried daughter, F2B is the only family route available — and protecting that petition from the marriage trap and the aging-out trap is the entire game.

Start with the foundations in our I-130 petition guide, track the monthly movement on the Visa Bulletin page, and read the spouse-and-minor-children companion in the F2A guide.

Who Qualifies and the Unmarried Lock

The petitioner must be a lawful permanent resident at filing and must document both status (green card copy) and the parent–child relationship (birth certificate, and for fathers in some cases evidence of legitimation or a bona fide parent–child relationship; adoptive and step-relationships follow the INA definitions). Each child needs a separate I-130 — unlike some nonimmigrant processes, there is no bundling. The beneficiary must be the petitioner's son or daughter aged 21 or older and must be unmarried. "Unmarried" here means never married, divorced, widowed, or annulled — but timing is everything: a beneficiary who marries after filing but before admission loses F2B eligibility entirely, because the category admits only unmarried sons and daughters.

The lock holds through the finish line. USCIS and consular officers verify marital status at every stage — petition approval, NVC processing, interview, and admission — and a marriage at any point before the green card issues disqualifies the case. There is no waiver, no forgiveness, and no conversion to another family category for a married child of a resident; the only cures are the end of the marriage or the petitioner's naturalization (which moves the case to F1, where marriage is equally disqualifying). Beneficiaries in long-term relationships should understand this trade-off explicitly before filing: a wedding during the 7-year wait costs the green card. Derivatives follow the same logic — the beneficiary's own unmarried children under 21 can accompany under INA 203(d), but they too must remain unmarried, and CSPA governs whether they still count as children when the number finally arrives.

October 2026 Priority Dates and Wait Times

The October 2026 Visa Bulletin opens fiscal year 2027 with F2B essentially flat worldwide and movement concentrated in Mexico and the Philippines. Your priority date — the day USCIS received your I-130 — must be earlier than the listed date to move forward.

Two practice notes. First, USCIS confirmed that October 2026 family adjustment filings use the Dates for Filing chart, so lawfully present beneficiaries with priority dates before September 1, 2019 (worldwide) may file Form I-485 now even though final action lags at August 22, 2019. Second, the worldwide line's apparent freeze is normal October behavior — September's year-end surge advanced F1/F2B/F3/F4 aggressively, and October held those gains rather than correcting. Mexico's F2B leap from February 2009 to May 2010 (+454 days) was the month's biggest family move. Model your personal timeline with our green card backlog estimator — linked from the employment-based green card guide hub — and never treat any chart as a promise: retrogression can push dates backward mid-year when visa usage runs hot.

The I-130 to NVC to Interview Pipeline

The pipeline has four phases and typically spans the full waiting period, with most action compressed into the final year.

• Step 1 — File Form I-130 with USCIS. The resident petitioner files online ($625) or on paper ($675) with proof of status and relationship. USCIS processing takes roughly a year (track posted times on USCIS processing times); approval confirms the relationship and locks the priority date but grants no status and no work authorization.
• Step 2 — National Visa Center intake. The approved petition transfers to NVC, which assigns a case number, collects the $325 immigrant visa fee and $120 affidavit of support fee, and requests the petitioner's Form I-864 Affidavit of Support with tax records plus the beneficiary's civil documents (passport, birth certificate, police certificates, photos). Our NVC processing time tracker follows current intake speeds.
• Step 3 — Become documentarily qualified and wait. NVC reviews submissions until the case is documentarily complete, then holds it until the priority date reaches the front of the line. Keep addresses, marital status, and petitioner status updated — a silent change of any of the three can derail the case.
• Step 4 — Interview and admission. NVC schedules the consular interview (medical exam first, with a panel physician). After visa issuance, the beneficiary pays the USCIS immigrant fee, enters before the visa expires, and receives the green card by mail. Lawfully present beneficiaries may instead adjust via Form I-485 when USCIS opens the filing window — monitor with visa application tracking and budget with the fee calculator.

Interview preparation centers on three exhibits: the continuing parent–child relationship, the petitioner's ongoing resident (or now citizen) status, and the beneficiary's continued unmarried state. Bring originals of every civil document, updated police certificates if a year has passed, and the medical sealed envelope or electronic confirmation per post instructions.

F2B Costs and Fees in 2026

Government costs accrue in waves. Wave one is the I-130 at $625 online or $675 paper under the USCIS schedule effective April 1, 2024. Wave two at NVC is $325 per applicant in immigrant visa fees plus the $120 affidavit of support review per case. Wave three is the USCIS immigrant fee (paid online before travel, for consular cases) or the I-485 package (currently $1,440 for adults adjusting status) for US-side cases. Ancillary costs — panel-physician medical exam ($200–$500 depending on country and required vaccinations), translations, police certificates, passport renewals, and interview travel — commonly add $500–$1,500 per applicant.

Fee hygiene matters across a 7-plus-year case: keep receipts for every payment, re-verify the current schedule before each new filing (fees adjust by rulemaking, not inflation autopilot), and never pay anyone who promises to "expedite" the Visa Bulletin line — NVC and consulates process strictly by priority date, and premium processing does not exist for family petitions. Petitioners should also confirm they can meet the I-864 income threshold (125 percent of the poverty guideline for the household size) well before the interview, lining up a joint sponsor early if their own income falls short.

CSPA Age-Out Protection

The Child Status Protection Act (2002) answers the cruelest arithmetic in family immigration: children who age past 21 during the wait. The formula is mechanical: CSPA age = biological age on the date a visa number becomes available, minus the number of days the I-130 was pending with USCIS. If the resulting age is under 21, the child retains child status — but only if they seek to acquire permanent residence within one year of availability, by filing Form I-485, submitting Form DS-260, or taking an equivalent enumerated step. Miss the one-year clock and protection evaporates.

For F2B specifically, the principal beneficiary is already 21-plus, so CSPA's classic role — protecting the principal — rarely applies; instead it protects the beneficiary's own derivative children (the petitioner's grandchildren), who must still be under 21 in CSPA-adjusted age when the F2B number arrives. Grandchildren born during the wait can be added to the case. Worked example: an I-130 pending 400 days, with a visa number available when the grandchild is 21 years and 300 days old biologically, yields a CSPA age of 20 years and 265 days — still a child, provided the DS-260 or I-485 follows within a year. Families with teenagers anywhere in the chain should run this math at every bulletin and calendar the one-year action deadline the moment the date goes current.

What If the Petitioner Naturalizes?

When an F2B petitioner becomes a US citizen, the petition automatically converts to F1 — the category for unmarried adult children of citizens — by operation of law, keeping the original priority date. Whether that helps depends on the bulletin: in October 2026, F1 worldwide stands at January 22, 2020 versus F2B at August 22, 2019, so conversion advances most families by about five months. But Mexico inverts the picture — F1 Mexico at September 8, 2008 trails F2B Mexico at May 15, 2010 — so a Mexican family can actually lose ground on conversion.

Beneficiaries who prefer to stay in F2B may opt out of automatic conversion in writing to USCIS, a right the regulations preserve. Opt-out decisions should compare both charts for the family's chargeability country, weigh the citizen-petitioner's ability to sponsor more flexibly going forward (citizens can file new F1 petitions; residents cannot upgrade anything else), and consider downstream effects on derivatives. Notify NVC/USCIS of the naturalization promptly either way — the agencies do not detect it automatically, and interview scheduling follows whichever category the file reflects.

F2B vs F1 vs F2A

Strategic read: F2A-adjacent families should file the moment a qualifying relationship exists, since near-current dates reward early filing; F2B families should file equally early but plan for a 7-year horizon with the unmarried lock as the central risk; and resident petitioners approaching citizenship eligibility should naturalize on schedule and then compare F1 vs F2B dates before deciding on conversion or opt-out.

Frequently Asked Questions