Green cards for siblings: the honest guide to F4
A U.S. citizen who is 21 or older can petition for a brother or sister — but F4 carries the longest waits in the family system, often measured in decades for some countries. Filing early still makes sense, because the priority date you lock in today is the place in line you keep.
Who qualifies
F4 covers the brothers and sisters of U.S. citizens, where the petitioning citizen is at least 21. “Sibling” means you shared at least one parent — full siblings, half-siblings, and step-siblings and adopted siblings whose relationships meet the rules for a shared parent can all qualify, proven through birth certificates tracing both of you to that common parent. Green card holders cannot petition for siblings at all; only citizenship opens this door. The petition is the standard I-130 ($675 paper, $625 online).
The truth about the wait
We will not dress this up: F4 is the slowest line in family immigration. Visa numbers are capped and heavily oversubscribed, and for nationals of a few high-demand countries the queue is the longest of all — waits are measured in many years, and for some countries in decades. The monthly Visa Bulletin shows exactly where the line stands; anyone who quotes you a tidy universal number for F4 is guessing. When the priority date finally comes current, the case finishes through consular processing abroad or, for a sibling lawfully in the U.S., possibly adjustment of status.
So why file at all? The priority date
Because the single most valuable thing in a backlogged category is an early place in line. Your sibling’s priority date — the date USCIS receives the I-130 — is fixed the moment you file, and it belongs to that petition no matter how long the wait runs. A petition filed this year is permanently ahead of one filed next year. Families who “wait until it makes sense” simply donate years to families who filed. Filing now costs one form and one fee; it buys an irreplaceable date. The waiting happens on its own; nobody has to do anything while the line moves.
Who comes along: derivatives
Here F4 is generous. Your sibling’s spouse and unmarried children under 21 ride along as derivatives on the same petition — one filing can ultimately move a whole household. The catch is the calendar: children who are young at filing may be adults when the date comes current, and whether a child still counts as under 21 depends on the CSPA calculation, which subtracts petition-pending time from the child’s age. In a category this slow, the math decides real outcomes — run it with an attorney before assuming a nephew or niece is protected.
Alternatives worth checking before you settle in for the wait
F4 should be the backstop, not the whole plan. Before relying on it, look at whether a faster door exists: a sibling married to a U.S. citizen or green card holder has a spousal path; a sibling with a U.S. citizen child over 21 can be petitioned as a parent — an immediate relative with no wait; and your own parents, if they immigrate as immediate relatives and later naturalize, can eventually petition for your sibling through the preference system on a separate track. Employment, study, and other routes exist entirely outside family immigration. The smart move is often both: file the F4 today to bank the date, and pursue anything faster in parallel. That is exactly the kind of mapping we do in a consultation.
File early, always
The priority date is set when USCIS receives the I-130 and is kept for the life of the petition. Every month of delay is a month added to the end.
The family rides along
Spouse and unmarried under-21 children are derivatives on the same F4 petition — but watch the age-out math over a long wait.
Keep the case alive
Update addresses, respond to every notice, and revisit the strategy when circumstances change. Decades-long cases fail at the finish more often than the start.
Common questions
I have a green card. Can I petition for my brother?
No — sibling petitions are reserved for U.S. citizens 21 and older. If you naturalize, you can file that day. Many clients time the N-400 with exactly this in mind.
How long will my sister actually wait?
Honestly: a long time, and the number depends on her country of chargeability and how the line moves. F4 waits are the longest in the family system, in some countries measured in decades. The Visa Bulletin is the only real answer, checked monthly.
Can my brother visit the U.S. while the F4 is pending?
A pending petition does not bar visits, but it makes visa officers look harder at whether he will return home. He must be candid about the petition if asked. Living in the U.S. out of status while waiting creates serious problems — see unlawful presence.
What if my nephew turns 21 before the date is current?
He may still count as a child under the CSPA, which subtracts the petition’s pending time from his age — or he may age out. In a wait this long the calculation is genuinely close in many families; have it run professionally.
Is filing F4 worth it if something faster might come along?
Usually yes. The petition costs $675 and quietly holds a place in line; a faster path, if one appears, is pursued independently. Banking the date loses you nothing but the filing fee.
What happens to the case if I die before it is done?
Generally the petition dies with the petitioner, though narrow humanitarian revival exists in some circumstances. If this happens, the family should contact an attorney quickly — deadlines apply.
The line only moves for people in it.
File your sibling’s F4 now, and let us map any faster path in parallel — flat fees, three languages, one plan.