Danish Citizenship by Descent
Danish citizenship by descent (jus sanguinis) is governed by the Danish Nationality Act (Indfødsretsloven). A child born to at least one Danish parent — whether inside or outside Denmark — acquires Danish citizenship automatically at birth, provided the parent held citizenship at the time of the child's birth. There is no rigid generational ceiling, but a crucial age-22 retention requirement under §8 acts as a practical cliff for those born abroad. If you were born outside Denmark to a Danish parent who was also born outside Denmark, you hold Danish citizenship from birth, but you must apply to retain it before you turn 22. The application — filed with the Ministry of Immigration and Integration using form UD-4 — demonstrates your connection to Denmark or your desire to maintain the nationality. Failure to apply before the 22nd birthday results in automatic forfeiture. This rule applies regardless of which passport you hold or where you live. A landmark reform took effect on 1 September 2015: Denmark re-permitted dual citizenship after more than 80 years of prohibition. Danish citizens who had been forced to renounce Danish nationality to acquire another country's citizenship were able to apply for restoration between September 2015 and December 2020 under transitional provisions. New applicants no longer need to renounce any other nationality when claiming Danish citizenship, making the descent route significantly more accessible for diaspora communities worldwide. Persons who missed the §8 deadline but lost citizenship involuntarily — for example, by acquiring a foreign nationality before 2015 under the old rules — may seek restoration under §13 of the Nationality Act.
Program Details
- Generation Limit
- One generation born abroad without Danish residence triggers the §8 retention requirement: a child born outside Denmark to a Danish parent must apply to retain citizenship before their 22nd birthday, or citizenship is automatically forfeited. There is no hard generational cutoff beyond this — if the Danish parent was born and raised in Denmark (or timely retained their own citizenship), citizenship passes at birth — but each generation born abroad faces the same §8 age-22 cliff.
- Estimated Cost
- $100–$600
- Processing Time
- 3–12 months
- Must Live in Country
- No
- Court Route Available
- No
The §8 retention application itself carries a modest administrative fee (approximately DKK 800–1,200, roughly USD 110–170). If supporting documents must be obtained, apostilled, and translated, total out-of-pocket costs typically reach USD 300–600.
Common Barriers
- ⚠Missing the §8 age-22 deadline, after which citizenship is automatically forfeited and restoration requires a separate parliamentary naturalisation act or §13 application
- ⚠Proving an unbroken chain of Danish parentage when ancestors emigrated generations ago and records are incomplete
- ⚠Children born out of wedlock to a Danish father before 1 July 1999 may not have acquired citizenship automatically at birth under the rules in force at the time
- ⚠Applicants who previously held Danish citizenship but renounced it or lost it under pre-2015 dual-citizenship rules must pursue a restoration or re-naturalisation route rather than a standard descent application
- ⚠Danish nationality law does not automatically recognise citizenship derived through adoptive parents unless the adoption was legally recognised under Danish law
Documents Needed
- •Full birth certificate for the applicant
- •Full birth certificate for the Danish parent
- •Danish parent's passport, Danish CPR registration, or official Danish citizenship certificate
- •Marriage certificate (if descent is through a parent whose surname differs from the child's)
- •For §8 retention applications: completed Udblanket UD-4 form submitted before the applicant's 22nd birthday
- •Proof of identity (valid passport)
- •Official translations into Danish or English for any foreign-language documents
- •Apostilles where applicable under the Hague Convention
Recent Changes
Denmark re-introduced dual citizenship after over 80 years of prohibition. Danish citizens acquiring a foreign nationality no longer forfeit Danish citizenship, and a five-year transitional window (2015–2020) allowed those who had previously lost Danish nationality to foreign naturalisation to apply for restoration.
source →
Programme FAQs
I was born abroad to a Danish parent. Do I automatically have Danish citizenship?
Does Denmark allow dual citizenship?
Related Guides
Citizenship by descent: who actually qualifies
A plain-English map of which countries offer jus sanguinis, how many generations back they accept, which require court proceedings, and where recent reforms (UK, Germany, Italy, Portugal, Spain) opened or closed doors.
Fastest paths to an EU passport in 2025
A sourced comparison of the shortest EU naturalisation timelines, from 2-year descent fast-tracks to 5-year residency routes — plus the hidden requirements that extend them in practice.
Other Descent Programs
Sources & last verified
- Official source
- Last verified 2026-06-01