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Can 20-year-old children enter as K-4?

20-year-old children, if unmarried, can be beneficiaries of the K-4 visa, provided they meet the official criteria and procedures of the U.S. immigration process.

Written by

Victoria Harper

Editor-in-Chief

Updated on February 4, 2026
2 min read
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Let”s begin by clarifying that the K-3 and K-4 visas are categories created to facilitate family reunification. The K-3 visa is intended for the spouse of a U.S. citizen, and the K-4 visa is intended for the minor children of that spouse while the immigration process is underway. Regarding the question, 20-year-old children can indeed be included as beneficiaries of the K-4 visa, provided they meet the eligibility criteria.

One of the fundamental requirements to be considered a ”child” under U.S. immigration law is to be unmarried and under 21 years of age at the time of the visa application. Therefore, a 20-year-old child, if still unmarried, fits the definition of a dependent child under this category.

It is important to emphasize that the immigration process must always strictly follow U.S. laws. Thus, knowing the exact requirements and deadlines is essential, as well as the necessary documentation to prove eligibility.

To avoid troubles and potential fraud, it is highly recommended to seek information directly from official sources and to be cautious about marketing campaigns that promise guaranteed results.

Finally, remember that each case has its particularities and, although the general rule for the K-4 visa is eligibility for children under 21 years old, the specific details of your case must be carefully evaluated during the application. Following official guidelines and obtaining information from reliable sources is the best way to ensure the proper progress of your application.

Learn more about K-3

Purpose
Spouse of U.S. citizen
Duration
2 years
Work
Authorized
Processing
12-18 months
All about K-3

About the author

Victoria Harper

Editor-in-Chief

Meet the author

As a journalist and lead editor at Visto n’ Visa, Victoria helps ensure that immigration topics are covered in a clear, trustworthy, and easy-to-understand way. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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Can 20-year-old children enter as K-4?

20-year-old children, if unmarried, can be beneficiaries of the K-4 visa, provided they meet the official criteria and procedures of the U.S. immigration process.

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