BRAZIL

CITIZENSHIP: Brazilian citizenship is regulated by Law #818 of September 18, 1949, amended by Decree Law #961 of October 13, 1969, and Constitutional Amendment #3 of June 6, 1994.

• BY BIRTH: Child born in Brazil regardless of the nationality of the parents.
• BY DESCENT: Child born outside of the territory of Brazil, at least one of whose parents is a citizen of Brazil. All children born abroad to Brazilian parents are advised to be registered in the nearest Consular Office.
• BY MARRIAGE: Marriage to a Brazilian national does not automatically confer citizenship; the law does reduce the proof of residence in the country for foreigners married to Brazilian citizens.
• BY NATURALIZATION: Brazilian citizenship can be acquired by fulfillment of the following conditions: Person has lived within the country for at least 5 years

DUAL CITIZENSHIP:  NOT RECOGNIZED. 

Exception: In practice, children born abroad to Brazilian parents can hold dual citizenship at anytime; when such a person resides in Brazil they are considered Brazilian citizens.

LOSS OF CITIZENSHIP:

• VOLUNTARY: Voluntary renunciation of Brazilian citizenship requires the presentation of the person's Brazilian birth certificate, and certificate of naturalization for new citizenship, to the local Brazilian consulate in that country, or the nearest one available. The process takes 6 to 12 months to be final.
• INVOLUNTARY: No information was provided.