DENMARK 

CITIZENSHIP: Citizenship is based on Danish Nationality Law.  Embassy officials state that Danish Nationality law is very complicated; they recommend contacting the Danish Embassy with any questions, particularly concerning dual citizenship.

• BY BIRTH: Birth within the territory of Denmark does not automatically confer citizenship. The exception is a child born in Denmark to unknown parents.
• BY DESCENT: Child, at least one of whose parents is a citizen of Denmark, regardless of the child’s country of birth. Restrictions apply if the child is born prior to January 1, 1979, and only the mother is a citizen of Denmark.
• BY NATURALIZATION: Danish citizenship may be acquired upon fulfillment of the following conditions:
• Person has resided in Denmark for 7 consecutive years.
• Person has proved, by presentation of evidence, that they no longer possesses former citizenship.

DUAL CITIZENSHIP:  NOT RECOGNIZED. Exceptions:

• Danish citizen who marries a foreign national and acquires spouse's citizenship is not required to renounce Danish citizenship.
• Child born abroad to Danish parents who acquires the nationality of the country of birth may keep dual citizenship until the age of 22. Before reaching the age of majority (22), the person must apply to retain citizenship. If person does not apply, their citizenship is lost.

LOSS OF CITIZENSHIP:

• VOLUNTARY: Person seeking to voluntarily renounce Danish citizenship must contact the nearest Danish Embassy, present proof of acquisition of new citizenship, and sign documents renouncing citizenship. These forms will be forwarded to Denmark by the Embassy for registration. The person will receive a confirmation of loss of citizenship from the Danish government.
• INVOLUNTARY: The following is grounds for involuntary loss of Danish citizenship: Voluntary acquisition of foreign citizenship.