Responsible for the service Finnish Immigration Service
Citizenship declaration for an adopted child
- Permit or other obligation
- Nationwide
- Public service
Submit this declaration to apply for Finnish citizenship for an adopted child who is at least 12 years of age if:
- you or your spouse hold Finnish citizenship;
- the decision on adoption has become valid in Finland on 1 June 2003 or later; and
- you have custody of the child or are the child's guardian.
Do the following
- Make sure the child meets the following requirements:
- The child is 12–17 years of age.
- The child’s adoptive mother or adoptive father is a Finnish citizen.
- The decision on adoption has become valid in Finland on 1 June 2003 or later.
2. Make sure you have all the attachments needed. This will speed up the processing of the application.
3. Fill in the application and add your documents.
4. Pay for the application.
5. Bring the child with you to the appointment for proving his or her identity.
6. Wait for the decision, the Finnish Immigration Service will contact you if necessary.
Period of validity
For further notice
The service is provided by
Finnish Immigration ServiceResponsible for the service
Finnish Immigration ServiceText edited by: Finnish Immigration Service
Updated: 14/9/2026