The registry stigma of adoption
The registry stigma of adoption analyses how a supposed protection of privacy can become a form of discrimination when the law imposes an exceptional registry regime on adopted people.
The text focuses on the Spanish case and on Law 20/2011 on the Civil Registry, which treats adoptive filiation as data subject to restricted publicity. This is not a minor or merely technical issue: it affects the way the State classifies adopted people and their ability to decide over their own legal identity.
The central thesis is clear: when registry restriction cannot be chosen, modulated or rejected by the person concerned, it ceases to be protection and becomes a stigma imposed by the State.
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Related
This page is part of the Undoing Adoption line of work, devoted to dismantling adoption as an institution of substitution, erasure of origins, identity violence and documentary destruction of filiation.
View the main Undoing Adoption page
The registry stigma of adoption analyses the legal and registry dimension of adoptive erasure. It should be read together with the other critical texts in the same line:
On this page
- What this text argues
- What the law says today
- Protection or discrimination
- The historical origin of registry restriction
- The underlying contradiction
- A global structural feature
- My case
- A necessary question
- Key concepts
- Structure of the text
- Publication, versions and records
- Access to the publication
- Recommended citation
What this text argues
The text argues that the birth certificate of an adopted person in Spain does not receive the same treatment as the birth certificate of other people.
Adoptive filiation is subject to restricted publicity. This means that it is not treated as ordinary registry information, but as specially protected data subject to an exceptional access regime.
The central issue is not whether certain intimate data should be protected. The issue is who decides that protection and whether the adopted person can waive it when they do not want it.
When the law imposes a mandatory restriction solely because a person has been adopted, the supposed protection becomes a differential legal mark: a registry stigma.
What the law says today
Article 83 of Law 20/2011 on the Civil Registry lists the data subject to restricted publicity. The first of these is adoptive and unknown filiation.
Article 84 regulates access to those data. While the registered person is alive, only that person or certain legal representatives may access that information or authorise third parties to do so.
The problem becomes more serious after the death of the adopted person. In that case, authorisation to access specially protected data must be granted by the Court of First Instance of the applicant’s domicile, provided there is legitimate interest and a well-founded reason.
This may force even the descendants of an adopted person to obtain judicial authorisation in order to access a literal birth certificate if adoption appears in it.
The same does not happen with the birth certificate of a non-adopted person.
Protection or discrimination
The usual justification for this regime is the protection of privacy. In the abstract, protecting certain personal data may be legitimate.
But a protection ceases to be a right when the person concerned cannot choose it, modulate it or waive it.
The adopted person does not decide that their filiation will be subject to restricted publicity. The law imposes it automatically because that person has been adopted.
For that reason, this is not a privilege of the adopted person. If it were true protection, it would belong to their autonomy. But the law does not protect their decision: it replaces it.
The consequence is that the adopted person is legally marked. Their filiation is not treated as ordinary filiation, but as a filiation that must be reserved, hidden or exceptionally guarded.
The historical origin of registry restriction
The text places this regime within a long history of hiding filiations considered irregular, shameful or socially problematic.
The Civil Registry Law of 1957 already addressed the problem of public access to filiation when it was unknown or not legitimate. The 1958 Regulation openly referred to avoiding “shameful entries” and concealing situations considered “embarrassing”.
That language belongs to another era, but it clearly reveals the ideological background of the institution: secrecy did not originally appear as the freedom of the child, but as a way of covering a socially stigmatised situation.
Current law has softened the vocabulary, but it preserves part of the structure: adoptive filiation is still placed in the field of what must remain under restriction.
For that reason, this is not only an administrative restriction. It is the persistence of a stigma.
The underlying contradiction
Adoption is legally presented as full filiation, equivalent to biological filiation in its effects.
Yet the Civil Registry needs to mark it and restrict it. That contradiction is revealing.
If adoptive filiation were truly treated as a filiation like any other, there would be no reason for the birth certificate of an adopted person to be subject by law to a different regime.
Equality is proclaimed at the level of effects, but denied at the level of identity.
Mandatory restriction turns adoptive difference into a persistent legal difference. It does not protect an individual decision: it imposes a classification.
A global structural feature
The text also places the Spanish case within an international comparison.
The specific Spanish technique does not seem to be the most common one: in Spain, adoption may remain incorporated into the current birth certificate itself and turn that document into one of exceptional access.
Other countries use different techniques: substitution, rewriting or separation of the birth record so that the ordinary certificate does not show that the person was adopted.
What is structural is not one specific modality, but the underlying idea: contemporary adoption still maintains, in numerous legal systems, some form of registry clandestinity.
Sometimes adoption is hidden by removing it from the visible document. In Spain, it is preserved as exceptional data and access to the certificate itself is restricted. Different techniques, same will to conceal.
My case
The text also includes a concrete personal and legal dimension.
Olmo Gómez Aldaz writes from his own situation as an adopted person, victim of removal and adoption without the legitimate and free consent of his parents, recognised by the State under the Spanish Law of Democratic Memory.
His current legal situation is also exceptional: the adoption has not yet been annulled, but the civil courts have already recognised his biological filiation, confirmed by the Provincial Court of Navarra on 12 May 2025.
That double filiation shows with particular clarity the contradiction of the registry regime: the restriction does not protect a privacy that the person concerned wants to keep hidden, but the trace of an adoption whose violence has been denounced and recognised.
The law continues to treat the adopted person as the bearer of a secret even when his public and legal struggle has consisted precisely in undoing that secret.
A necessary question
The underlying question is simple: why can an adopted person not decide that their own filiation should cease to be treated by the State as exceptional and restricted data?
As long as that possibility does not exist, the restricted publicity of adoptive filiation cannot honestly be presented as a right of the adopted person.
It is, first of all, a difference of treatment imposed on them.
And when a legal difference falls on a group of people, stigmatises them as different, limits their autonomy and produces legal effects that others do not bear, there are solid reasons to call it by its name: discrimination.
Key concepts
- Adoption.
- Adoptive filiation.
- Civil Registry.
- Restricted publicity.
- Specially protected data.
- Registry stigma.
- Discrimination.
- Privacy.
- Personal autonomy.
- Literal birth certificate.
- Registry concealment.
- Biological filiation.
- Double filiation.
- Democratic memory.
- Right to identity.
Structure of the text
The text begins by explaining the current regime of restricted publicity of adoptive filiation under Law 20/2011 on the Civil Registry.
It then analyses the difference between protection and discrimination, showing that an imposed restriction unavailable to the person concerned cannot be considered a true guarantee of autonomy.
It then reconstructs the historical origin of the restriction, linking it to the concealment of filiations considered irregular or shameful.
The text then develops the underlying contradiction between the supposed equality of adoptive filiation and its exceptional registry treatment, expands the analysis through an international comparison and ends with a personal and legal reflection from the author’s own case.
Publication, versions and records
Access to the publication
The publication is available on Zenodo in its Spanish version. The full English translation is pending.
Recommended citation
Gómez Aldaz, Olmo. El estigma registral de la adopción. Cuando la supuesta protección se convierte en discriminación. 13 May 2026. Zenodo. DOI: 10.5281/zenodo.20159686.