Can an unmarried daughter over 21 years of age come with parents, who are immigrating to the U.S.?

Answer

As a general matter, children age out at 21 years of age and are no longer eligible as derivative beneficiaries. That is, they are no longer eligible to immigrate with the family as a dependent. However, under the Child Status Protection Act, children are sometimes treated as being under 21 for immigration benefits even if they are chronologically older than 21. This is determined by a formula that can extend the length of time that the child is considered to be a child for green card purposes. (02.Sep.2025)

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