1. Children of Foreigners Legally Residing in Portugal

   • Main criteria:

     • At least one parent has had legal residence in Portugal for more than 1 year at the time of birth.

   • Variations:

     • The residence time can be cumulative, as long as it is continuous.

   • Applies to any type of valid residence permit.

2. Children of Parents with International Protection

   • Includes:

     • Refugees recognized by the Portuguese State.

     • Beneficiaries of subsidiary or humanitarian protection.

3. Children Born in Portugal in Statelessness Situation

   • Main criteria:

     • Children who, for legal reasons, do not have the right to their parents' nationality.

   • Portugal automatically recognizes nationality in cases of statelessness.

4. Children of Non-Resident Foreigners with Effective Link to Portugal

   • Main criteria:

     • Parents must prove a relevant connection to Portuguese society.

     • Examples:

       • Intermittent but significant periods of residence.

       • Professional, social, or cultural activities in Portugal.

5. Children Adopted by Portuguese Citizens

   • Main criteria:

     • Full adoption, recognized by a Portuguese judicial decision.

6. Children of Parents with Effective Link to the Country Even Without Legal Residence

   • Main criteria:

     • Cases where there is strong evidence of family, social, or cultural ties with Portugal may be accepted.

7. Children of Foreigners with Irregular Residence, but Attending School in Portugal

   • Main criteria:

     • The child must be integrated into the Portuguese educational system.

Documents Required to Obtain Portuguese Nationality by Birth in Portuguese Territory

1. Birth Certificate of the Applicant

   • Issued by a Civil Registry Office in Portugal.

   • Must indicate the place and date of birth.

   Birth Certificate of the Parents

   • If the parents are foreign, the certificates must be legalized/apostilled and translated into Portuguese, if necessary.

   Proof of Legal Residence of the Parents

   • Documents proving that one of the parents has legally resided in Portugal for at least 1 year at the time of birth. Examples:

     • Residence permit issued by the Foreigners and Borders Service (SEF).

     • Documents proving international protection or refugee status.

   Proof of Connection to the Portuguese Community (if applicable)

   • In situations where the parents do not have legal residence, it may be necessary to prove effective connection to Portugal by the applicant or family.

   Criminal Background Certificates (for applicants over 16 years old)

   • Certificates issued by:

     • Country of origin.

     • Countries where the applicant has lived after 16 years old.

     • Portuguese authorities (Judicial Police).

   • Must be legalized/apostilled and translated when necessary.

   Affidavit (when applicable)

   • A declaration signed by the parents or legal representatives of the applicant, affirming compliance with the necessary conditions.

   Photocopy of Identification Documents

   • Documents of the parents (passport, residence permit, or another valid document).

   • Identification document of the applicant, if applicable.

   Proof of Payment of the Fee

   • Receipt or proof of payment of administrative fees, typically between €175 and €250.