MONACO 

CITIZENSHIP: Based upon the Acquisition of Monegasque Nationality, dated January 1, 1987.

• BY BIRTH: Birth within the territory of Monaco does not automatically confer citizenship. The only exception is a child born in Monaco to unknown parents.
• BY DESCENT:
• Child born in wedlock, whose father is a citizen of Monaco, regardless of the child’s country of birth.
• Child born out of wedlock, whose mother is a citizen of Monaco and whose father is unknown.
• Child born out of wedlock to Monegasque citizens -- citizenship granted upon marriage of parents.
• Children of naturalized citizens are automatically granted citizenship.
• MARRIAGE:
• A foreign woman who marries a Monegasque man is automatically eligible for Monegasque citizenship.
• A Monegasque woman who marries a foreigner retains her Monegasque citizenship unless prevented by the laws of her husband's country.
• BY NATURALIZATION: Monegasque citizenship may be acquired upon fulfillment of the following conditions: Person has resided in the country for 10 years after reaching the age of 21, has proof of loss of previous citizenship, and has been freed from any obligation to perform military service abroad.

Children of naturalized citizens are automatically granted citizenship.

DUAL CITIZENSHIP:  NOT RECOGNIZED.

LOSS OF CITIZENSHIP:

• VOLUNTARY: Permitted under Monegasque law. Additional information was not provided.
• INVOLUNTARY: The following are grounds for involuntary loss of Monegasque citizenship:
• Person voluntarily acquires foreign citizenship.
• Person voluntarily performs military service abroad.