Citizenship in Denmark
Naturalisation timelines, tests, and dual nationality
Danish naturalisation is among the most demanding in Europe. It commonly requires around nine years of continuous lawful residence, permanent residence already held, a Danish language examination at a high level, a passed citizenship knowledge test, self-support without recent public assistance, no disqualifying criminal record, and settlement of public debt. Even where every condition is met, citizenship is conferred only by a naturalisation act passed by parliament, followed by a ceremony that includes a handshake.
| Residence requirement | Commonly around 9 years of continuous residence source |
| Prerequisite | Permanent residence permit already held |
| Language | Danish examination at a high level, commonly Prøve i Dansk 3 |
| Knowledge test | Indfødsretsprøven, the citizenship test on Danish society, history and culture |
| Final step | Inclusion in a naturalisation bill passed by the Folketing, then a ceremony |
Why the timeline is longer than it looks
The residence clock and the permanent residence prerequisite interact. Because permanent residence itself commonly requires years of residence plus a full-time employment history, and citizenship requires permanent residence to be held at the time of application, a person cannot pursue the two in parallel. The effective route is therefore sequential, and around nine years is a floor rather than an estimate.
Shorter periods apply in specific categories, notably for Nordic citizens, for refugees, and for those married to Danish nationals, where the qualifying period is reduced according to the length of the marriage.
The two examinations
The language requirement is set at a level well above conversational competence and is generally documented by the Prøve i Dansk 3 examination or an equivalent. It is the single condition that most often delays applications.
The citizenship test covers Danish society, history, and culture, drawn from published material, and must be passed with a defined number of correct answers including a minimum on questions about Danish values. It is held twice a year, which means a failed attempt commonly costs six months.
The parliamentary stage and the ceremony
Denmark does not grant citizenship by administrative decision. Applicants who meet the conditions are placed on a naturalisation bill, which the Folketing passes roughly twice a year. The interval between meeting every condition and appearing on a bill is itself measured in months, and the parliament retains discretion.
After the bill passes, the applicant attends a constitutional ceremony in the municipality, at which a declaration is signed and a handshake with a representative of the authorities is exchanged. The handshake is a statutory element of the ceremony rather than a courtesy.
Dual citizenship
Denmark has permitted dual citizenship since 2015, so a person naturalising is not generally required to renounce an existing nationality. Whether the other nationality survives depends on that country's law, not on Danish law.
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