Most US citizens and permanent residents want to bring their close family members to the country to live with them. However, this is not an easy process and involves a lot of complications. A Green Card is a work and residence permit given to an individual living in US legally. A family based Green Card is issued to an individual who is a relative of a Green Card holder or a US citizen. So, only a permanent resident or US citizen can sponsor his/her family member(s) get the residence and work permit in the US.
Family immigration refers to the immigration of members of the family of a permanent resident or US citizen. This type of immigration happens on the basis of the person’s relationship to Legal Permanent Resident or US citizen. This relationship status is very important to determine the sponsor of a family member. A US citizen can sponsor his/her spouse, children, parents and siblings but a Green Card holder can only sponsor his/her spouse and children who must be unmarried and must be below the age of 21. This suggests that if you intend to bring in your family members other than your spouse and children, then it is necessary that you should be a citizen of the US.
There are two categories into which the family immigration visa can be divided:
There are some basic requirements that you need to fulfill if you want to sponsor any relative to immigrate to US:
Here are some advantages associated with a family based Green Card:
Family based Green Card is a two process which is as follows:
After becoming a legal permanent resident you can apply for US citizenship and ultimately, get Green Cards for your family members fast.
Source: Know Everything About Family Based Green Card Process