Preserving family bonds is one of the guiding principles of U.S. immigration policy. For this reason, legal immigrants may be able to petition for visas or Green Cards that allow family members to reside in the states legally.
Immigrants who already have citizen status may sponsor an immediate relative, such as a spouse/fiancé, child or parent. However, extended relatives may also be able to come to the U.S. under the family preference system.
Immediate relatives
Parents, spouses and children (under age 21) of U.S. citizens have the highest preference for gaining legal permanent residency. However, to petition for a parent, the citizen applying must be at least age 21.
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