A: The required documents vary based on your green card category, but common documents include a valid passport, birth certificate, marriage certificate (if applicable), police certificates from countries where you’ve lived, medical examination results (Form I-693), passport-style photos, and proof of financial support.
Family-based applicants need evidence of the qualifying relationship, such as marriage certificates, birth certificates, or adoption papers. Employment-based applicants need job offer letters, labor certification (PERM), and proof of qualifications.
You’ll also need Form I-485 (Application to Register Permanent Residence), Form I-130 (for family-based) or Form I-140 (for employment-based), and supporting financial documents.