🇫🇮 Finland · Ancestry
Citizenship declaration — requirements, costs & how to apply
Who is eligible
| Ancestry proof | Required |
| Age range | 18–60 |
How to apply
- Confirm you meet the eligibility above.
- Gather documents and apply via the official portal: https://migri.fi/en/citizenship-declaration/adult-one-parent-finnish-citizen.
Sources & verification
Every figure on this page is taken from an official government source and dated. Nothing is inferred.
Ancestry proof
https://migri.fi/en/citizenship-declaration/adult-one-parent-finnish-citizen · verified 2026-06-25
Age range
https://migri.fi/en/citizenship-declaration/adult-one-parent-finnish-citizen · verified 2026-06-25
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Informational only, not legal or immigration advice. Requirements change — always confirm on the official government source linked above before applying. Last verified 2026-06-25.