A lawful permanent resident is a foreign national who has been granted the privilege of permanently living and working in the United States. If you want to become a lawful permanent resident based on the fact that you have a relative who is a citizen of the United States, or a relative who is a lawful permanent resident, you must go through a multi-step process.
Eligibility In order for a relative to sponsor you to immigrate to the United States, they must meet the following criteria:
The relatives which may be sponsored as an immigrant vary depending on whether the sponsor is a U.S. Citizen or a lawful permanent resident.
In any case, the sponsor must be able to provide proof of the relationship.
Preference Categories If you wish to immigrate as a relative of a U.S. Citizen or lawful permanent resident, you must obtain an immigrant visa number based on the preference category in which you fall.
People who want to become immigrants are classified into categories based on a preference system. The immediate relatives of U.S. citizens, which includes parents, spouses and unmarried children under the age of 21, do not have to wait for an immigrant visa number to become available once the visa petition filed for them is approved by USCIS. An immigrant visa number will become immediately available. The relatives in the remaining categories must wait for an immigrant visa number to become available according to the following preferences: