Can you lose Spanish nationality later?

Key rules

• Fraud: A court can cancel nationality gained by residence through fraud or false information, within 15 years of the grant.
• Living abroad: If you live abroad and use only your old nationality for three years, you can lose Spanish nationality automatically.
• Keeping it: A declaration to keep Spanish nationality, made within three years at the Civil Registry or consulate, protects you.
• Recovery: You can usually recover lost nationality by declaring and registering it, but some losses need Ministry of Justice authorisation.

Short answer

Once you are Spanish, you keep your nationality in almost every case. Loss happens only on specific grounds. The main ones are fraud in your application, living abroad and using only your old nationality, and certain criminal convictions. If you lose it, there is a route to recover it.

Loss under the "living abroad" rules happens automatically once the conditions and the deadline have passed. No one needs to make a decision.

Fraud or false information

Nationality you gained by residence can be cancelled if you got it with fraud, false information or concealed facts. This is not an administrative decision. The public prosecutor must bring a civil court case. The deadline for that case is 15 years from the date nationality was granted.

If the court cancels it, you are treated as if you never acquired it. So give complete, true information in your application and keep the documents that support it.

Living abroad and using only your old nationality

If you did not become Spanish by origin (you were born abroad, or you naturalised), you can lose nationality if both of these are true:

• you live abroad, and
• for three years you use only the nationality you had before.

Spaniards by origin are treated more narrowly. They lose nationality only if they were born and always lived abroad, voluntarily took another nationality, and used only that one for three years. This also applies when they have declared they do not wish to keep Spanish nationality. It does not apply while Spain is at war.

Other grounds include voluntarily acquiring another nationality, using only a foreign nationality you were given before coming of age, and entering foreign military service or office against the Spanish government's express prohibition.

If you naturalised and spend most of your time in Spain, this is rarely a practical risk.

How to keep your nationality if you live abroad

Make a declaration that you want to keep it. Do it at the Civil Registry, usually through the Spanish consulate where you live, within three years. The three years run from the day you acquire the foreign nationality, or from coming of age or emancipation.

Nationals of Ibero-American countries, Andorra, the Philippines, Equatorial Guinea and Portugal do not lose Spanish nationality by acquiring those nationalities.

Criminal conviction

A final criminal conviction for terrorism or treason can also cost you nationality if you did not acquire it by origin.

Getting it back

You can recover Spanish nationality in many cases, in this order:

1. Be a legal resident in Spain. The Government may waive this for emigrants and their children.
2. Declare your wish to recover it at the Civil Registry.
3. Register the recovery in the Civil Registry.

Unless you are an emigrant or the child of one, you must also renounce your previous nationality. People who lost nationality through the three-year rule are often covered by the emigrant waiver.

Recovery is not available if you lost nationality through a conviction under the living-abroad rules. If you lost it through a sentence or military service, you also need authorisation from the Ministry of Justice.

Your exact deadlines and exceptions depend on how you became Spanish. Confirm them with your consulate or Civil Registry before you act. The timeline, warnings and questions below cover the same points in short form.

Timeline and deadlines

• Make the declaration to keep your Spanish nationality at the consulate or Civil Registry: within 3 years of acquiring a foreign nationality, or of coming of age or emancipation

• Recover lost nationality: declare your wish at the Civil Registry, then register the recovery: after the loss, once you meet the residence and renunciation conditions or have been excused from them

What to watch out for

• Living abroad and using only your old nationality: If you were not Spanish by origin and live abroad, using only your previous nationality for three years can make you lose Spanish nationality automatically. No notice is sent.

• Fraud or false information in your application: Nationality gained by residence can be cancelled by a court if it was obtained with fraud, false information or hidden facts, for up to 15 years after the grant. You are then treated as never having been Spanish. Make sure everything in your application is complete and true, and see a Spanish lawyer straight away if anyone questions it.

• Criminal conviction for terrorism or treason: If you did not get nationality by origin, a final criminal conviction for terrorism or treason also costs you Spanish nationality. Get legal advice immediately if you face such charges, as recovery then needs Ministry of Justice authorization.

Frequently asked questions

Can Spanish nationality be cancelled if my application had mistakes?

Yes, nationality gained by residence can be cancelled if it was obtained with fraud, false information or hidden facts. The public prosecutor must bring a court case within 15 years of the grant. If it succeeds, you are treated as if you never acquired Spanish nationality.

Do I lose Spanish nationality automatically if I live abroad?

Yes, loss happens automatically once the conditions and the deadline have passed, with no decision or notice needed. For naturalised Spaniards living abroad, the trigger is using only your previous nationality for three years. A declaration to keep your Spanish nationality, made to the Civil Registry within that period, prevents it.

Where do I make the declaration to keep my Spanish nationality?

You make it yourself, usually at the Spanish consulate (Civil Registry) where you live, or at a Spanish Civil Registry.

Can I get Spanish nationality back after losing it?

Yes, in most cases you can recover it, but you must declare your wish to the Civil Registry and register the recovery. You normally must be a legal resident in Spain and renounce your previous nationality, though emigrants and their children can be excused from both. If you lost it through a sentence, recovery is not available or needs Ministry of Justice authorization.