How long can relatives get a green card after immigrating to the United States?

This kind of immigrant green card has no quota limit and does not need to be scheduled. 2. First priority: unmarried children of American citizens (2 1 above). There are 23,400 places every year. 3. Second priority: spouses, children and unmarried children of legal permanent residents in the United States. 1 14000 places per year. 4. Third priority: married children of American citizens, and their spouses and children. 923,400 places per year. 5. Fourth priority: brothers and sisters of American citizens, and spouses and children of brothers and sisters. 65,000 places per year.