This article is general information, not legal advice. The most important family-immigration choice is not which form to download first. It is identifying the correct relationship category, because immediate relatives and preference categories do not move under the same rules.
Outcome and prerequisites
Most family-based cases begin with Form I-130. USCIS treats that petition as proof of a qualifying relationship, not as the green card itself.
Short answer
Immediate relatives of U.S. citizens
USCIS says visas are always available for:
- spouses of U.S. citizens;
- unmarried children under 21 of U.S. citizens; and
- parents of U.S. citizens who are at least 21.
Family-preference categories
USCIS says these categories are numerically limited and depend on priority dates and the monthly Visa Bulletin system.
| Category | Who fits | Key consequence |
|---|---|---|
| F1 | Unmarried adult sons and daughters of U.S. citizens | Wait for visa availability |
| F2A | Spouses and unmarried children under 21 of permanent residents | Wait for visa availability |
| F2B | Unmarried adult sons and daughters of permanent residents | Wait for visa availability |
| F3 | Married sons and daughters of U.S. citizens | Wait for visa availability |
| F4 | Brothers and sisters of adult U.S. citizens | Wait for visa availability |
For August 2026, USCIS says family-sponsored adjustment applicants must use the Dates for Filing chart from the Department of State Visa Bulletin. That monthly designation can change.
Step-by-step process
1. Identify the correct relationship category
Before filing, decide whether the case is an immediate-relative case or a preference-category case. That one distinction often controls the rest of the timeline.
2. File Form I-130 with the right civil evidence
The I-130 page says the petitioner must provide proof of citizenship or permanent residence plus the documents proving the family relationship, such as marriage certificates, birth certificates, proof of termination of prior marriages, and name-change documents where needed.
3. Track visa availability if the case is in a preference category
USCIS explains that a family-preference applicant needs an immigrant visa to be immediately available both when filing I-485 and when USCIS makes a final decision. That is why priority dates, country chargeability, and the USCIS monthly chart designation matter.
4. Choose between adjustment of status and consular processing
- If the beneficiary is in the United States and legally eligible, adjustment of status may be possible.
- If the beneficiary is abroad, or adjustment is unavailable, the case generally moves through consular processing via the National Visa Center and a U.S. consulate.
Costs, timing, and required documents
Fees
Use the current USCIS fee pages instead of stale articles with fixed numbers.
Timing
Family cases usually include two different clocks:
- USCIS processing of the underlying petition; and
- visa availability for categories that are numerically limited.
Documents that commonly matter
- proof of the petitioner’s immigration status;
- proof of the family relationship;
- translations where required;
- civil records for later NVC or I-485 stages; and
- evidence of admissibility or, where needed, possible waiver eligibility.
Failure cases and alternatives
The wrong category was chosen
A petition can be validly filed yet still be strategically poor if the family misunderstood which category applied.
The family assumes petition approval equals status
USCIS is explicit: an approved I-130 is not the green card. It creates or confirms the relationship basis for the next stage.
The case depends on visa charts and nobody is monitoring them
Preference-category cases can stall if the family does not track priority-date movement and USCIS monthly filing-chart instructions.
The beneficiary is in the United States but not clearly eligible to adjust
Physical presence alone is not enough. Preference-category adjustment also requires visa availability and legal eligibility to file I-485.
Checklist
- Confirm whether the case is immediate-relative or preference-based.
- File I-130 with proof of status and proof of relationship.
- If the case is in a preference category, track the priority date and USCIS filing-chart page.
- Decide early whether the case will likely finish through I-485 or consular processing.
- Keep civil documents current and translated if necessary.
- Review admissibility issues before the final stage instead of after a denial.
Sources and update date
Primary sources reviewed July 28, 2026: USCIS family pages for U.S. citizens and permanent residents, immediate-relative and family-preference green-card pages, Form I-130, USCIS visa-availability pages, and USCIS consular-processing guidance.