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Portuguese Citizenship for Children Born in Portugal: How to apply

5 de May, 2026

Portuguese Citizenship for Children Born in Portugal: How to apply

Learn how Portuguese citizenship for children born in Portugal works in 2026: requirements, eligibility, and how to apply under the new law.
Ciudadanía Portuguesa por nacimiento en Portugal
Reading: 5 min

In recent years, the process of obtaining Portuguese citizenship for children born in Portugal (children of foreign parents) has undergone significant changes. However, with the amendments to the Nationality Law in 2026, enacted on May 3rd, this framework has become more demanding. In this article, we explain how Portuguese citizenship for those born in Portugal works, the new requirements for children of immigrants, what has changed in the law, as well as the required documents and other important details.

If you would like to speak with a Portuguese citizenship specialist, click here.

If a baby is born in Portugal to foreign parents, does it get Portuguese citizenship?

Depends. Currently, a child born in Portugal can acquire Portuguese citizenship provided that at least one parent has been legally residing in the country for at least 5 years, or already holds Portuguese nationality, even if obtained by naturalization.

In this sense, Portugal adopts both the jus sanguinis principle (citizenship by descent) and jus soli (citizenship by birth in the territory) to determine eligibility for Portuguese nationality.

Note: The rules below only apply if foreigners are not in Portugal in service of their home country.

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Jus Soli and Jus Sanguinis Criteria

The jus sanguinis criterion (kinship criterion) grants an individual the right to nationality of a particular country based on their ancestry (from the nationality of their parents or grandparents, for example).

On the other hand, jus soli (territorial criterion) grants an individual the right to nationality of a particular country by birth in that place or prolonged stay there.

Who is eligible for Portuguese citizenship by birth?

Regarding the laws in force in 2026, a child born in Portugal may qualify under one of the following conditions:

1. Children with a Portuguese parent

This is the simplest and fastest scenario: Portuguese citizenship by origin may be granted if at least one parent is Portuguese, even if they obtained nationality by naturalization.

See more details in our full article on Portuguese citizenship by descent.

2. Children born in Portugal to foreign parents legally residing for at least 5 years

In this case, it is sufficient that one parent has been legally residing in Portugal for at least 5 years at the time of the child’s birth. Citizenship granted in this case is also considered original.

Important: the parent must already hold a valid residence permit. If the residence permit has not yet been issued, the application must follow a different route.

3. Children who do not have another nationality

This applies to so-called stateless individuals, meaning those who do not have any nationality.

For example, this may apply to children born in Portugal whose parents’ country does not grant citizenship to children born abroad. It may also apply if the parents fail to register the child’s birth with their consulate, resulting in the child being considered stateless.

Note: Only one parent needs to meet the requirements.

Newborn baby feet lying in a basket: citizenship for children born in Portugal

What’s the difference between original and derived citizenship?

Citizenship by attribution (original) is one in which the citizen is born Portuguese, meaning the validity of citizenship goes back to their birth.

Derived nationality is one where the individual expresses their desire to become a citizen, and it becomes effective only after the approval of their naturalization request.

And why is original citizenship more valued than derived? Basically because original citizenship can be more easily transmitted to descendants, even in adulthood.

Portuguese citizenship for those born in Portugal in 2026: What has changed?

The legal framework for Portuguese citizenship for children born in Portugal has evolved significantly over the years — initially making access easier, and more recently, in 2026, becoming more restrictive.

  • Before 2018: one parent needed 5 years of legal residence or 10 years without legal residence
  • 2018: reduced to 2 years of legal residence or 5 years without legal residence
  • 2020: further simplified — only 1 year of residence (even without legal status), or any period with a residence permit
  • 2026: requirements became stricter again — now at least one parent must have 5 years of legal residence in Portugal

This means irregular immigrants can no longer obtain original Portuguese citizenship for children born in Portugal.

Where to Apply for Citizenship for Children Born in Portugal?

These citizenship requests can be made at any Civil Registry Office in Portugal, as well as at Portuguese consular services or embassies.

What Documentation is Required for Citizenship Applications for those Born in Portugal?

Regarding the necessary documentation, this can vary depending on the type of citizenship scenario mentioned above. As a rule, the following is usually required:

  • Child’s birth certificate
  • Proof that one parent has legally resided in Portugal for at least 5 years at the time of birth
  • Copies of parents’ identification documents or passports
  • Power of attorney (if applying through a representative)


How Much Does Citizenship Cost for Foreign-born Children in Portugal?

In the vast majority of cases mentioned here, the application is free of charge.

How Long Does Citizenship Take for a Child of Foreign Origin Born in Portugal?

However, delays may occur due to:

  • High demand, especially in Portuguese consulates abroad
  • Incomplete or incorrect documentation
  • Delays from immigration authorities or other entities

Advantages of Having Portuguese Citizenship

We’ve already discussed what it’s like to live with young children in Portugal. Obtaining Portuguese citizenship brings a series of advantages: more security, freedom, and opportunities for the child’s life, undoubtedly.

Therefore, if your child fits into any of the scenarios described above, don’t miss the chance to secure a better present and future for them!

If you wish to speak with a specialist, click here.

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Author:

Atlantic Bridge

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