Unlimited: Immediate relatives of U.S. citizens constitute a special category that is not subject to quotas. Immediate relatives include the sponsor’s parents, spouse, and unmarried children below the age of 21 years.
- First Preference: Unmarried adult (above the age of 21 years) sons and daughters of U.S. citizens.
- Second Preference: Spouses of lawful permanent residents and their unmarried sons and daughters of any age.
- Third Preference: Married sons and daughters of U.S. citizens.
- Fourth Preference: Brothers and sisters of adult U.S. citizens.