Immediate Relative Immigrant Visas (Unlimited):  

• IR-1: Spouse of a U.S. Citizen

• IR-2: Unmarried Child Under 21 Years of Age of a U.S. Citizen

• IR-3: Orphan adopted abroad by a U.S. Citizen

• IR-4: Orphan to be adopted in the U.S. by a U.S. citizen

• IR-5: Parent of a U.S. Citizen who is at least 21 years old

Family Preference Immigrant Visas (Limited)