Can you keep your Nauru citizenship when you become a U.S. citizen?
Allowed
Yes, in general
Nauruan citizens who become U.S. citizens keep their Nauruan citizenship, since dual nationality has been permitted for all Nauruans since 2005.
What the law says
- Dual nationality has been permitted for women who gained foreign nationality through marriage since independence.
- Since 2005, all Nauruans have been eligible for multiple nationality.
- A 2008 attempt to ban dual citizenship for Members of Parliament was ruled unconstitutional, confirming dual nationals may sit in Parliament.
- Nauruan nationals of legal majority and capacity may renounce their nationality only if they have obtained another nationality.
“Since 2005, all Nauruans have been eligible for multiple nationality.”
What about the U.S. side?
The United States allows dual citizenship. At the oath ceremony you promise to renounce allegiance to other countries, but U.S. law does not make you formally give up your other passport. The question is only whether Nauru lets you keep yours.
Source: Nauruan nationality law (Wikipedia, summarized on 2026-11-11). Laws change — confirm with the Nauru embassy or consulate before your oath ceremony. This is not legal advice.
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