United States · Immigration54
Citizenship for Certain Children Residing Abroad (N-600K)
A child under 18 who lives abroad and does not qualify for automatic acquisition may still naturalize through a U.S. citizen parent (or, in some cases, grandparent) who meets physical-presence requirements, using Form N-600K.
Currently available · Editorial record dated 10/20/2026 · Not lawyer review or an eligibility decision. Check current official instructions.
Who this is for
Children residing abroad with a U.S. citizen parent (or qualifying grandparent) who cannot transmit citizenship automatically.
Common problems
The 18th birthday
If the oath does not happen before the child turns 18, this route closes permanently.