Suomi.fi
Go directly to contents.
Responsible for the service Finnish Immigration Service

Citizenship declaration for a former Finnish citizen

  • Permit or other obligation
  • Nationwide
  • Public service

Submit this declaration to regain Finnish citizenship if:

  • you are at least 18 years old and have previously been a Finnish citizen, or
  • a child under 18 years of age whom you have custody of has previously been a Finnish citizen and wishes to regain Finnish citizenship.

Do the following


Period of validity

Until further notice

The service is provided by

Finnish Immigration Service

Responsible for the service

Finnish Immigration Service
Text edited by: Finnish Immigration Service
Updated: 23/5/2025