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Spain citizenship: required documents

The documents you'll gather for Spain citizenship by descent, by route and by ancestor. Your exact list is generated from your lineage in the wizard.

By origin (Art. 17)

Register nationality by origin at your Spanish consulate or the Registro Civil Central.

You

  • •Birth certificate

Each ancestor in the chain

  • •Birth certificate
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

Your qualifying ancestor

  • •Birth certificate
  • •Proof of your ancestor's citizenship
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

By option (Art. 20 / Democratic Memory)

Acquire nationality by option (Art. 20) or under the Democratic Memory 'Grandchildren' window (closed to new applicants 22 Oct 2025; pending files still processed).

You

  • •Birth certificate
  • •Option declaration (Art. 20)

Each ancestor in the chain

  • •Birth certificate
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

Your qualifying ancestor

  • •Birth certificate
  • •Proof of your ancestor's citizenship
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

Residency naturalisation (Art. 22, grandchild)

Reduced-residence naturalisation (1–2 years) for descendants of Spaniards; requires DELE + CCSE exams.

You

  • •Birth certificate
  • •Valid passport / national ID
  • •Residence permit / registration
  • •Proof of continuous legal residence
  • •Language / integration certificate
  • •Criminal-record / police clearance
  • •Naturalisation application form

Each ancestor in the chain

  • •Birth certificate
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

Your qualifying ancestor

  • •Birth certificate
  • •Proof of your ancestor's citizenship
  • •Marriage certificate — if_married
  • •Adoption certificate / order (if applicable) — if_adopted
  • •Amended birth certificate (if applicable) — if_adopted
  • •Name connection / spelling-variation proof (if applicable) — if_has_name_changes

See if you qualify for Spain citizenship

Check your eligibility — free

Not affiliated with Registro Civil / Consulate or any government. A document-organization tool, not legal advice — always verify with the relevant authority.