Yes, Uruguay does allow dual citizenship, but the answer to “does Uruguay allow dual citizenship” splits into two very different rules depending on how you got your Uruguayan status. Anyone born on Uruguayan soil keeps their nationality for life, even after naturalizing in another country. Foreigners who naturalize in Uruguay can also hold onto their original passport, but with a catch: if they later become a citizen of a third country, Uruguay treats their Uruguayan citizenship as lost.
Two Categories of Citizen, Two Different Rules
Uruguay’s constitution draws a hard line between natural citizens and legal citizens. Article 74 defines natural citizens as everyone born in Uruguayan territory, plus children of Uruguayan parents born abroad who settle in the country and register in the Civil Register.1Constitute Project. Uruguay 1966 (reinst. 1985, rev. 2004) Constitution Legal citizens, under Article 75, are foreigners who complete residency and naturalize.
Article 81 governs what happens when a Uruguayan picks up another nationality, and it treats the two groups very differently. For natural citizens, nationality is not lost “even by naturalization in another country.” For legal citizens, the same article says citizenship “is lost by any other form of subsequent naturalization.”2UN Legislative Series. Uruguay – Laws Concerning Nationality That single asymmetry is the whole story.
If You Were Born in Uruguay
Natural citizens enjoy unconditional dual, or multiple, citizenship. Someone born in Montevideo who becomes Canadian, German, or Japanese remains Uruguayan automatically. The nationality itself does not lapse. To reactivate the active side of citizenship, such as voting, the person simply returns to Uruguay and registers in the Civil Register.2UN Legislative Series. Uruguay – Laws Concerning Nationality
There is no cap on how many other nationalities you can hold, and Uruguay asks for no renunciation from the other country. Birthright citizenship in Uruguay is jus soli, meaning the right of the soil, and once you have it, no foreign paperwork strips it away.
If You Naturalized in Uruguay
Legal citizens can hold dual citizenship, but only in one direction. Uruguay does not require you to give up your original nationality when you naturalize, so a Brazilian who becomes Uruguayan keeps their Brazilian passport without conflict on Uruguay’s side. Whether your home country lets you keep its nationality is a separate question governed by that country’s laws.
The trap sits on the other side of the timeline. If you naturalize in Uruguay and later naturalize in a third country, Article 81 treats your Uruguayan legal citizenship as forfeited. This is the point that many summaries skip over. Practical takeaway: order matters. Legal citizens who plan to pursue citizenship somewhere else after Uruguay should understand that Uruguay will not stay in the mix.
Getting to Legal Citizenship in the First Place
Before any of the dual-citizenship rules apply to you as a legal citizen, you have to naturalize. The constitution sets a residency floor of three years if you have family established in Uruguay, or five years if you are single.3IMPO. Constitucion de la Republica Oriental del Uruguay You also need to show good conduct, a genuine connection to the country, and the means to support yourself through capital, property, or work.
Applications go through the Corte Electoral, Uruguay’s electoral court. Foreign documents such as your birth certificate must be apostilled in the country that issued them and translated into Spanish by a Uruguayan sworn translator. Two witnesses who have known you throughout the qualifying residency period must appear in person to attest to your residence and conduct. Once approved, you receive the Carta de CiudadanÃa and can exercise full civic rights.
The Passport Quirk Legal Citizens Should Know About
Uruguay is one of very few countries that constitutionally separates nationality from citizenship. Natural citizens are Uruguayan nationals. Legal citizens hold full citizenship but are not considered nationals, and their identity documents and passports show it. The nationality field on a naturalized citizen’s Uruguayan passport lists their country of birth, not Uruguay.
A person born in Brazil who naturalizes in Uruguay carries a Uruguayan passport with “Brazilian” in the nationality field. In older cases, legal citizens’ passports listed their nationality as “Soviet” decades after the Soviet Union dissolved. The document works for international travel and is issued through the Ministry of the Interior after the Carta de CiudadanÃa is verified,4Embassy of Uruguay. Visas and Migration but the mismatch can prompt questions at border crossings. Uruguay and Myanmar are reportedly the only two countries that maintain this constitutional separation.
Does Uruguayan Citizenship Create Tax Obligations?
Holding Uruguayan citizenship on its own does not make you a Uruguayan taxpayer. Uruguay taxes based on residency, not citizenship, which is the opposite of the U.S. approach. You become a tax resident if you spend more than 183 days in Uruguay in a calendar year, or if Uruguay is the center of your vital or economic interests. Absent those conditions, citizenship alone triggers no filing requirement.
Dual citizens who split time between Uruguay and the United States should note that no comprehensive income tax treaty exists between the two countries. Uruguay and the U.S. signed an exchange-of-information agreement in 2023 covering enforcement cooperation, but it does not prevent double taxation. U.S. foreign tax credits and the foreign earned income exclusion can reduce overlap, and anyone with income in both countries should get advice from a professional familiar with both systems.
Keeping Your Status Alive
For natural citizens abroad, nationality itself never lapses, but the active side of citizenship, including voting, may need to be reactivated by returning and registering in the Civil Register.2UN Legislative Series. Uruguay – Laws Concerning Nationality
For legal citizens, the bigger risk is the subsequent-naturalization rule. Uruguay does not impose a strict “use it or lose it” deadline on inactive legal citizens, but keeping your Civil Register enrollment current and voting when eligible are the simplest ways to keep your standing clean. Letting documentation lapse makes re-establishing status significantly harder later on.