已成年(21以上)美國公民之配偶 (含寡婦 鰥夫) 和其21歲以下未婚小孩及該美國公民之父/ 母親 Immediate Relatives of U.S. Citizens (IR): The spouse, widow(er) and unmarried children under 21 of a U.S. citizen, and the parent of a U.S. citizen who is 21 or older.
Unmarried sons and daughters of U.S. citizens, and their
children, if any. (23,400)
Spouses, minor children, and unmarried sons and daughters (age 21 and over) of lawful permanent residents. (114,200) At least seventy-seven percent of all visas available for this category will go to the spouses and children; the remainder will be allocated to unmarried sons and daughters.
Married sons and daughters of U.S. citizens, and their spouses and children. (23,400)
Brothers and sisters of United States citizens, and their spouses and children,
provided the U.S. citizens are at least 21 years of age. (65,000)