How old a person should be to file Form N-400?
It should be noted that before you start the naturalization process (Form N-400) you need to check whether you are eligible to become a US citizen. There is a list of certain requirements which need to be met. Age is one of them, a person should be 18 years old to be able to file the form.
Application for Certificate of Citizenship (Form N-600) or Application for Citizenship and Issuance of a Certificate under Section 322 (Form N-600K) is applied to children younger than 18 years old who are about to become citizens.
Related
Form N-400 | Application for Naturalization
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Form N-600K | Application for Citizenship and Issuance of Certificate Under Section 322
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Should all the children be listed on N-400 form?
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Form N-600 | Application for Certificate of Citizenship
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How should you list regular trips outside the U.S. on Form N-400?
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Am I a US citizen if one of my parents is?
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