Can You Keep Your Previous Nationality When Acquiring Spanish Citizenship?

Whether you can keep previous nationality when acquiring Spanish citizenship depends on two separate legal systems. Spain first decides whether you must declare renunciation during the nationality process. Your former country then decides whether acquiring Spanish nationality—or making that declaration—actually ends your existing citizenship.

This distinction matters in practice. Some applicants are exempt from Spain’s renunciation requirement by statute. French citizens rely on a separate bilateral agreement. Applicants outside those categories may have to make the Spanish declaration even when their former country continues to regard them as citizens.

Legal notice: This is a practical document and translation guide, not individual nationality-law advice. Rules in the other country may depend on how and when you obtained that nationality, your age, residence, family history, and later legislative changes.

Key Takeaways

Spain has a defined statutory exemption. People covered by Article 23 of the Spanish Civil Code do not make the ordinary declaration renouncing their previous nationality.
France follows a different route. French citizens are protected by a bilateral agreement effective since 1 April 2022, not simply by adding France to the traditional statutory list. The agreement creates no preferential Spanish citizenship route or shorter residence period.
A Spanish declaration is not a foreign loss decision. For non-exempt applicants, Spain treats renunciation as a formal requirement. The former country’s law determines whether the previous nationality actually ends.
Translation comes after the legal classification. Do not order a translation of a retention certificate or nationality opinion until the competent Spanish or foreign authority confirms that the document is relevant. If an official Spanish translation is required, the local term is normally traducción jurada.

Who This Guide Is For

This Spain-wide guide is for people acquiring Spanish nationality by residence, option, or carta de naturaleza who need to determine whether the Spanish renunciation requirement applies and what it means for their former nationality.

It is particularly relevant to:

applicants from Ibero-American countries, Andorra, the Philippines, Equatorial Guinea, or Portugal who need to verify a statutory exemption;
French citizens using the France–Spain nationality agreement, including people whose pre-2022 Spanish birth registration contains a renunciation annotation;
applicants from non-exempt countries such as the United States, United Kingdom, Canada, Morocco, China, India, or Russia;
people who already hold two or more nationalities and need to check each country’s rules separately; and
applicants whose passports, nationality certificates, birth records, or names do not tell one consistent story.

A typical file may contain a Spanish nationality approval and notification, current and former passports, a TIE or other residence record, a full foreign birth certificate, an existing sworn Spanish translation, and—only where status needs clarification—a nationality certificate, retention authorization, notification receipt, or formal loss decision.

Relevant working language pairs can include French–Spanish, English–Spanish, Arabic–Spanish, Portuguese–Spanish, Chinese–Spanish, Russian–Spanish, and Ukrainian–Spanish. These are practical examples rather than an official ranking. Many Latin American records are already in Spanish, so authentication, completeness, and identity consistency may matter more than translation.

Three Paths to Retaining a Previous Nationality When Acquiring Spanish Citizenship

How Spain’s three nationality-retention paths differ
Applicant’s position	Spanish renunciation declaration	What decides the former nationality
Covered by the statutory exemption	Normally not required	The other country’s law and any bilateral arrangements still matter
French citizen	Exempt under the France–Spain agreement	The bilateral agreement and each country’s implementing law
Not covered by either route	Generally required when Article 23 applies	The former country’s domestic nationality law

This matrix answers the threshold question. It does not establish that every person holding a listed passport qualifies in exactly the same way. Terms such as naturales de, nationality of origin, later naturalization, and the route by which Spanish nationality is acquired can require individual analysis.

Path 1: Spain’s Statutory Exemptions

Article 23 of the Spanish Civil Code governs the declarations ordinarily required for a valid acquisition of Spanish nationality by option, residence, or carta de naturaleza. A person over fourteen who can make the declaration personally must swear or promise loyalty, comply with the renunciation requirement when applicable, and have the acquisition entered in the Spanish Civil Registry.

The renunciation exception covers people described by the Code as natives of Ibero-American countries, Andorra, the Philippines, Equatorial Guinea, and Portugal. Article 23 also refers separately to Sephardim originating in Spain.

Three practical cautions follow:

Do not build the list from geography alone. Spanish nationality law uses a specific legal category, not an informal definition of Latin America or the Caribbean. The Ministry of Justice treats Puerto Rico as Ibero-American for this purpose, while Haiti, Jamaica, Trinidad and Tobago, and Guyana are not included.
Do not equate a current passport with nationality of origin. A person who later naturalized in an exempt country may need to establish whether the statutory wording covers their situation.
Do not confuse exemption from renunciation with a guarantee from the other country. The Spanish exemption removes a Spanish procedural requirement; it does not rewrite another state’s nationality law.

The broader citizenship application, language tests, residence evidence, and foreign-record authentication are outside this article’s narrow scope. For those document issues, use CertOf’s guides to Spanish citizenship sworn-translation standards and the apostille, legalization, and translation order.

Path 2: Why the France–Spain Agreement Is Different

France is not merely another country inserted into the traditional Civil Code list. The France–Spain nationality agreement entered into force on 1 April 2022 and allows Spanish and French nationals to acquire the other nationality while retaining their existing one, subject to the acquisition requirements of the receiving state.

The distinction has two important consequences.

No special Spanish citizenship shortcut

The agreement removes the renunciation obstacle but does not create a privileged application route or reduce the Spanish residence period. A French applicant may qualify for a shorter period under another provision—for example, because of marriage or family history—but not merely because the applicant is French.

Pre-2022 records may require an affirmative step

The DGSJFP implementation instruction of 31 March 2022 distinguishes several earlier cases. A French citizen who acquired Spanish nationality before the agreement may request cancellation of a marginal annotation recording the earlier commitment to renounce French nationality. A former Spanish citizen who actually lost Spanish nationality after acquiring French nationality follows a recovery procedure instead.

These are not interchangeable remedies:

Cancellation of an annotation corrects the Spanish civil-registration record under the agreement.
Recovery of Spanish nationality addresses an actual prior loss of Spanish nationality.
A French nationality certificate proves status under French law; it does not by itself amend a Spanish registry entry.

For pre-2022 cases, obtain a current literal Spanish birth registration before ordering translations. The wording of its marginal annotations usually determines which procedure needs investigation.

Path 3: What a Spanish Renunciation Declaration Really Does

Applicants outside the statutory and treaty exemptions commonly encounter the phrase renuncia a la nacionalidad anterior during the oath and registration stage. The natural reading—“I have renounced, therefore my former citizenship has ended”—is often legally wrong.

In a published registry decision, the former Directorate-General of Registries and Notaries explained that Article 23 requires a formal declaration independently of whether that declaration produces legal loss under the foreign system. The official reasoning is available in the DGRN decision of 17 September 2007.

This is the central counterintuitive point: Spain can record a renunciation while the former country continues to treat the person as its citizen. The reverse is also possible: the former country may impose automatic loss upon voluntary acquisition of Spanish nationality, even though the applicant never completed a separate embassy renunciation.

For each existing nationality, ask:

Was it acquired by birth, descent, adoption, marriage, restoration, or naturalization?
Does voluntary acquisition of Spanish nationality trigger automatic loss?
Is prior permission to retain the nationality required?
Must the acquisition be reported within a deadline?
Does formal renunciation require a separate application to that country?
Which authority can issue binding or reliable evidence of current nationality status?

A generic embassy FAQ may be a useful starting point, but it may not resolve transitional legislation, multiple nationalities, military obligations, or nationality passed to children. High-consequence cases need advice from a lawyer qualified in the relevant foreign law.

A Practical Workflow Before and After the Spanish Declaration

Identify the Spanish acquisition route. Confirm whether Article 23 applies to your residence, option, or carta de naturaleza case and whether age affects who makes the declaration.
Inventory every nationality. Include nationalities held by descent or shown only in older records—not merely the passport used most often.
Classify the Spanish path. Determine whether you rely on the statutory exemption, the France–Spain agreement, or the ordinary renunciation rule.
Check each foreign law before the critical date. Prior retention permission cannot necessarily be repaired after Spanish nationality takes effect.
Protect the Spanish post-approval deadline. The oath and registration mechanics are explained separately in the guide to the Spanish nationality oath, notary route, and Civil Registry registration.
Order only the evidence actually needed. A nationality certificate, retention approval, or loss decision is not a universal Spanish oath document.
Translate the final document version. Include relevant marginal notes, seals, signatures, authentication pages, and official annotations.
Preserve the post-acquisition record. Keep copies of Spanish registration, foreign notifications, passport renewals, and official correspondence.

Can Continued Use of the Old Passport Put Spanish Nationality at Risk?

A foreign passport remaining valid does not settle whether the nationality legally survived. It also does not answer how Spain will assess the person’s later conduct.

Article 25 of the Spanish Civil Code creates a loss risk for people who are not Spanish by origin when, for three years, they exclusively use the nationality they declared they were renouncing upon acquiring Spanish nationality. The word exclusively matters, and its application can be fact-sensitive.

This article cannot reduce that rule to a travel hack such as “always use one passport at this border.” Applicants concerned about several years of residence abroad, foreign passport use, consular registrations, or an investigation into loss of Spanish nationality should obtain individualized legal advice. Keep evidence of Spanish passport or DNI use, Spanish consular dealings, and other conduct showing the continuing exercise of Spanish nationality.

When Sworn Translation Is Actually Needed

In international marketing, these services are often called certified translations. In Spanish administrative practice, the more accurate term is normally traducción jurada.

The Spanish Ministry of Foreign Affairs explains that translations produced by its appointed sworn professionals carry official character when certified with the prescribed formula, signature, and seal. It also maintains a searchable register by language, province, title type, and active status through the MAEC sworn translation portal.

Do not turn that system into an incorrect universal rule. Not every oath requires a new translation, and not every applicant needs to submit a foreign nationality-status document. The receiving Civil Registry, notary, consular registry, or lawyer should first identify the document and required form.

Documents that may become relevant to nationality-status evidence
Document	Why it may matter	Translation risk
Current and former passports	Nationality history and identity	A valid passport is evidence, not a conclusive nationality ruling
Nationality certificate	Foreign authority’s formal status evidence	Translate operative wording, issue date, limitations, seals, and annotations
Retention authorization	Compliance with prior-permission rules	Do not omit conditions or the effective date
Loss or release decision	Establishes whether and when nationality ended	Legal verbs such as loss, release, withdrawal, and renunciation are not interchangeable
Full birth or civil-status record	Origin nationality, parentage, and identity chain	Marginal notes and parents’ names may be more important than the front-page fields
Spanish birth registration	Shows acquisition and renunciation annotations	Usually already in Spanish; obtain the correct official version instead of translating an old extract

Self-translation or a notary’s authentication of an ordinary translation is not automatically equivalent to a Spanish traducción jurada. For the general distinction, see certified versus notarized translation. Name and surname inconsistencies should be resolved through an evidence chain, not hidden by changing the translation; see the Spain-specific guide to nationality registration name and surname discrepancies.

Translation and Professional-Service Options in Spain

A country-level guide should not imply that one Madrid or Barcelona office is the correct provider for everyone. Sworn translators can work remotely, and the decisive questions are the named signer’s authorization, language combination, document scope, delivery format, and revision process.

Translation and document-support options in Spain
Option	Publicly verifiable signal	Appropriate use	Boundary to check
Direct MAEC-listed sworn translator	Individual can be checked in the official active register	A receiving authority expressly requires a Spanish traducción jurada	Confirm language direction, electronic-signature format, availability, and revision terms
LinguaVox, Santurtzi, Bizkaia Máximo García Garrido 12, 1º D +34 944 936 508	The provider’s website publishes a Spanish headquarters address, sworn-translation services, and ISO certification claims	Multi-document or multilingual coordination	Company marketing is not government endorsement; verify the final sworn signer, authorization, and complete document scope
CertOf online document service	Remote upload, document review, formatting, revision, and delivery workflow	Preparing a consistent multilingual packet or obtaining a certified translation for a confirmed receiving use	CertOf is not a Civil Registry, notary, nationality lawyer, or government-appointed decision maker

No subjective provider ranking is offered here. A useful comparison should ask who signs the final translation, whether all stamps and marginal notes are covered, how corrections are handled, and whether the receiving authority has confirmed the required translation category.

Spain-Wide Scheduling, Cost, and Filing Reality

The nationality rule is national; practical administration is distributed across Civil Registry offices, consular registries, and notaries. There is no reliable nationwide average for an oath appointment, transmission of a notarial record, or cancellation of a pre-2022 French renunciation annotation.

Civil Registry: completes the civil-registration entry. Appointment and case-status arrangements depend on the competent office and its current digital system.
Notary: may record the personal oath and declarations where authorized, but the notarial act still has to reach the competent Civil Registry for registration.
Consular Civil Registry: applies territorial consular jurisdiction to eligible cases abroad.
Foreign authority: controls foreign retention permission, notification, formal loss, and foreign nationality certificates.

There is likewise no national fixed price for translation or private legal advice. Ask for a written scope identifying every source page, apostille or legalization attachment, delivery format, revision policy, and the individual who will sign a sworn translation.

Why This Question Affects a Large Number of Applicants

Spain’s National Statistics Institute recorded 299,732 acquisitions of Spanish nationality by foreign residents in 2025, an increase of 18.7% from 2024. Morocco, Colombia, and Venezuela were the three most frequent previous nationalities in the dataset. The current figures are published in the INE Statistics on Acquisition of Spanish Citizenship of Residents.

Those three countries illustrate why one answer cannot fit every applicant. Colombian and Venezuelan applicants may enter the statutory-exemption analysis, while Moroccan applicants generally face the ordinary renunciation question and must then examine Moroccan law separately. The data do not measure translation demand, waiting times, or the outcome of foreign nationality law, so they should not be used to manufacture those conclusions.

Common Failure Points, Misleading Claims, and Complaint Routes

“Pay us to preserve your old nationality.” A translation company or unregulated intermediary cannot issue a binding nationality decision.
“France now qualifies for Spain’s two-year rule.” The bilateral agreement removes renunciation requirements; it creates no residence reduction.
“Your unexpired passport proves that you retained citizenship.” A passport may remain physically valid after a legally significant event.
“Every applicant needs a retention certificate.” Spain’s formal declaration system does not create one universal foreign-document requirement.
“A notarized ordinary translation is automatically official in Spain.” Verify whether the recipient requires a named MAEC-authorized sworn translator.

Use the complaint route that matches the problem:

A formal adverse Civil Registry decision belongs in the official Ministry of Justice procedure for appeals against decisions of Civil Registry officers.
A service delay or administrative-treatment complaint can use the Ministry’s Quejas y Sugerencias channel, but that channel does not replace a legal appeal, change the ruling, or guarantee faster processing.
A dispute over a Spanish translation company’s payment, delivery, or advertising should first be raised with the provider in writing and may then go to the relevant autonomous-community consumer authority or municipal OMIC.
A qualifying cross-border consumer dispute with an EU, Icelandic, Norwegian, or UK provider may be taken to the European Consumer Centre in Spain after a prior written complaint to the business.
A disagreement about actual nationality status requires the competent foreign authority or qualified legal counsel, not a consumer complaint.

Public and Legal Support Resources

Official and public resources for nationality, translation, and consumer issues
Resource	Use it for	What it cannot do
Competent Civil Registry or Consular Civil Registry	Spanish declarations, registration, marginal annotations, and official certificates	Issue a binding ruling under another country’s law
MAEC sworn-translator register	Checking an individual translator’s active status and language authorization	Recommend the best commercial provider or guarantee acceptance of an incomplete file
Foreign embassy, consulate, or nationality authority	Foreign retention, notification, loss, and nationality-certificate procedures	Decide the Spanish Civil Registry entry
Servicio de Orientación Jurídica or qualified nationality lawyer	Conflicting laws, Article 25 risk, adverse decisions, and multi-nationality cases	Guarantee an administrative result or processing time
Consumer authority or OMIC	Translation-service billing, delivery, and advertising disputes	Reverse a nationality decision

Frequently Asked Questions

Can I keep my original nationality after becoming a Spanish citizen?

Possibly, but there are two questions. Spain decides whether you must declare renunciation; the original country decides whether its nationality is retained. Check both systems before the Spanish acquisition becomes effective.

Which applicants are exempt from renouncing their nationality in Spain?

The Civil Code exemption covers the specified Ibero-American category, Andorra, the Philippines, Equatorial Guinea, Portugal, and Sephardim originating in Spain. French citizens are exempt through a separate bilateral agreement.

Does Puerto Rico count as Ibero-American for this Spanish rule?

Yes. The Spanish Ministry of Justice treats Puerto Rico as Ibero-American for this nationality-law purpose. Its guidance does not include Haiti, Jamaica, Trinidad and Tobago, or Guyana in the same category.

Does the France–Spain agreement reduce the Spanish residence period?

No. The agreement does not create a preferential acquisition route or residence reduction. A French applicant may qualify for a different period under an independent provision, but not solely because of the agreement.

Does declaring renunciation in Spain cancel my old passport?

Not by itself. The Spanish declaration satisfies a Spanish legal requirement. Whether the other nationality or passport ends depends on the law and procedures of the issuing country.

Can a French citizen remove a pre-2022 renunciation annotation?

The 2022 implementation instruction provides a route to request cancellation of the marginal annotation for French citizens who acquired Spanish nationality before the agreement. This must not be confused with recovering Spanish nationality after an actual prior loss.

What if I hold two previous nationalities?

Analyze them separately. One country may permit retention, another may impose automatic loss, and a third may require prior permission or later notification. Do not assume the passport used most often is the only legally relevant nationality.

Do I need a sworn Spanish translation of a nationality certificate?

Only if the document is relevant to the receiving procedure and an official Spanish translation is required. Confirm that first. When Spain requires an official translation, verify whether it must be a traducción jurada signed by an appropriately authorized translator.

Can I lose Spanish nationality by continuing to use my previous passport?

For a person who is not Spanish by origin, Article 25 creates a risk where the previously renounced nationality is used exclusively for three years. Passport use is only one part of a fact-sensitive analysis, so obtain legal advice if this may apply.

Prepare the Translation Only After You Know the Legal Question

If a Civil Registry, notary, consular registry, foreign authority, or lawyer has identified the foreign document you must submit, CertOf can help review the complete scan, preserve names and dates, translate relevant annotations and seals, and prepare a consistent document package.

Submit your documents for a translation review, read how to upload and order a certified translation online, or check realistic translation turnaround benchmarks before choosing a deadline.

CertOf provides document translation, formatting, revision, and delivery support. It does not determine nationality status, make a renunciation declaration, cancel a Civil Registry annotation, provide government appointments, or act as an officially endorsed Spanish nationality representative.