Birth Registration in Vietnam for Children Born to Unmarried Parents: Key Considerations for Foreign Parents

1. Does the absence of a marriage certificate prevent birth registration?

Vietnamese law recognizes a child's right to have his or her birth registered regardless of the marital status of the parents. Under Article 15 of the Law on Civil Status 2014, the father or mother is responsible for registering the child's birth within 60 days from the date of birth. The provision does not require the parents to have a marriage certificate before the child can be registered.

Therefore, a foreign parent should not assume that the parents must first register their marriage in Vietnam before the child can obtain a birth certificate. The more important issue is whether the legal parentage of each parent has been established for civil status purposes.

2. Why is legal parentage particularly important for unmarried parents?

For married couples, the legal relationship between the parents and the child is generally easier to establish through the parents' marriage and the relevant birth records. For unmarried parents, however, the registration of the child's birth and the establishment of the father-child or mother-child relationship may involve separate legal considerations. This is particularly relevant where the foreign father wants his name to appear on the child's Vietnamese birth certificate.

Where the father has not yet been legally recognized, his information may not automatically be included in the child's birth registration. Accordingly, an unmarried foreign father who wishes to establish his legal relationship with the child should consider whether a parent-child recognition procedure should be carried out together with the birth registration.

3. Can a foreign father be recognized without the parents getting married?

Vietnamese law does not require the parents to register their marriage as a condition for establishing a father-child relationship. Where the foreign father acknowledges the child, the parents may apply for recognition of the father-child relationship if the statutory requirements are satisfied.

Under the civil status regulations, the competent authority may recognize the parent-child relationship based on appropriate evidence, such as documents issued by a competent medical or forensic institution confirming the biological relationship. Where legally acceptable evidence is unavailable, the applicable procedure may allow the parties to make a written undertaking concerning the parent-child relationship, supported by witnesses as required by law.

Therefore, marriage registration and parent-child recognition should be treated as two separate legal matters. For foreign parents, this distinction is important because the child may be legally connected to both parents even though the parents themselves have never registered their marriage.

4. Can birth registration and parent-child recognition be handled together?

In appropriate cases, birth registration may be combined with registration of parent-child recognition. This can be particularly useful where a Vietnamese mother and a foreign father have a newborn child and the father wants to be recorded on the child's birth certificate. The combined procedure allows the parents to address two related matters within the same administrative process:

• registering the child's birth; and

• establishing the legal parent-child relationship.

The current administrative procedure system provides a procedure for birth registration combined with parent-child recognition, with a statutory processing period of 10 working days from receipt of a complete and valid application. For foreign parents, using the combined procedure may be more practical than registering the child first and dealing with parent-child recognition separately at a later stage.

5. What if the foreign father cannot be present in Vietnam?

The practical handling of the case may depend on the specific circumstances and the documents available. A foreign parent who is outside Vietnam should not assume that the same procedure will automatically apply as where both parents are physically present.

The authority may need to examine the identity documents, evidence of parentage and documents establishing the foreign parent's consent or declaration, depending on the procedure being requested. Foreign parents should therefore determine the documentary requirements before arranging the application, particularly where the foreign parent is unable to travel to Vietnam. This is also important because documents signed or issued overseas may be subject to consular legalization and Vietnamese translation requirements, unless an exemption applies.

6. What happens if the foreign father does not acknowledge the child?

Under Article 15 of Decree No. 123/2015/ND-CP, where the father of a child has not been identified, the father's information is left blank in the civil status register and the child's birth certificate. The Vietnamese mother may therefore proceed with birth registration even if the foreign father does not acknowledge the child or is not identified for civil status purposes.

If the father is subsequently identified and the legal requirements are satisfied, the parties may carry out a parent-child recognition procedure at a later stage. This distinction can be particularly important where the foreign father is unavailable, refuses to acknowledge the child or the parties have not yet completed the necessary evidence of parentage.

7. What nationality can the child have?

Where one parent is Vietnamese and the other is a foreign national, the child's nationality is determined under the Law on Vietnamese Nationality, as amended in 2025.  Where the parents agree to choose Vietnamese nationality for the child, the child may have Vietnamese nationality in accordance with the statutory conditions. The amended law also addresses situations where the child is born in Vietnam but the parents cannot reach an agreement regarding the child's nationality.

Accordingly, foreign parents should not treat nationality as a purely administrative matter. The choice or determination of nationality may have long-term consequences for the child's identity documents, travel documents and legal status.

8. Can the child hold the foreign parent's nationality as well?

Whether the child can acquire the foreign parent's nationality will also depend on the nationality law of the foreign parent's country. Vietnamese nationality law governs whether the child is entitled to Vietnamese nationality, while the foreign country's legislation determines whether the child can acquire or retain that country's nationality.

Therefore, foreign parents should examine both legal systems before making a decision concerning the child's nationality. For example, a foreign country may grant nationality to a child based on descent from a foreign parent, while Vietnam may apply its own rules concerning Vietnamese nationality. The interaction between the two systems should therefore be reviewed on a case-by-case basis.

9. What should foreign parents know about foreign-issued documents?

One of the most common practical difficulties in cross-border civil status procedures is the use of documents issued by foreign authorities. A foreign passport or other identity document may need to be provided to establish the foreign parent's identity.

Other foreign-issued documents may need to undergo consular legalization, followed by translation into Vietnamese and certification of the translation, depending on the nature of the document and whether an exemption applies. The requirement should be checked for each document rather than assuming that all foreign documents are subject to the same formalities.

This is particularly important for:

• foreign birth certificates;

• certificates concerning marital status;

• documents proving parentage;

• court or administrative documents; and

• documents issued by foreign public authorities.

Failure to complete the required formalities may result in the application being rejected or the applicant being requested to supplement the documents.

10. Does the child's birth registration automatically establish the parents' marriage?

Birth registration and marriage registration are separate civil status matters. The fact that a foreign father is recorded on the child's birth certificate does not mean that the parents are legally recognized as husband and wife.

Similarly, the parents do not become married merely because the father's or mother's name appears on the child's birth certificate. This distinction is particularly important for foreign nationals because their immigration, residence and other legal rights may depend on their actual marital status and not simply on their relationship with a Vietnamese child.

11. What should foreign parents consider after obtaining the birth certificate?

Obtaining a Vietnamese birth certificate may be only the first step. Depending on the circumstances, foreign parents may also need to consider:

• the child's nationality and passport;

• registration of the child's residence;

• immigration or residence documents;

• the foreign parent's relationship with the child for immigration purposes;

• future travel arrangements for the child;

• the child's identification documents; and

• the recognition of the child's civil status records in the foreign parent's home country.

Where the child is expected to travel between Vietnam and another country, parents should pay particular attention to whether the child's Vietnamese civil status documents will be accepted by the foreign authorities and whether additional registration is required under the foreign country's law.

12. Where should foreign parents register the child's birth in Ho Chi Minh City?

Foreign parents should also be aware that the competent authority for civil status procedures has changed following the implementation of Vietnam's two-tier local government model. Accordingly, foreign parents should not automatically rely on older information referring to district-level People's Committees when preparing a civil status application in Ho Chi Minh City.

The competent authority should be verified based on the current administrative procedure and the parents' specific circumstances at the time of filing. This is particularly important for foreign parents who may be relying on information obtained from older websites, previous legal advice or documents prepared before the restructuring of local government.

13. Practical checklist for foreign parents

Before submitting an application, foreign parents should consider the following:

1. Confirm the parents' marital status. Determine whether the parents have registered their marriage in Vietnam or another country.

2. Determine whether the foreign parent needs to be recorded on the birth certificate. If so, consider whether parent-child recognition should be conducted together with birth registration.

3. Prepare evidence of parentage. Review whether the available evidence satisfies Vietnamese requirements.

4. Review the child's nationality. Where one parent is Vietnamese and the other is foreign, consider the nationality rules applicable to the child.

5. Check foreign documents. Determine whether documents issued overseas require consular legalization, translation or certification.

6. Confirm the competent authority. Verify the current authority responsible for the procedure in Ho Chi Minh City rather than relying on pre-2025 administrative information.

7. Consider post-registration matters. Where the child will live, travel or hold documents in more than one country, parents should consider the legal requirements of both Vietnam and the relevant foreign jurisdiction.

For foreign parents, the registration of a child's birth in Vietnam involves more than simply obtaining a birth certificate. Where the parents are unmarried, the key legal issues may include establishing parentage, determining the child's nationality and completing the formalities applicable to foreign-issued documents.

Importantly, Vietnamese law does not require parents to register their marriage before a child's birth can be registered. A foreign father may also be able to establish his legal relationship with the child without marrying the child's Vietnamese mother, provided that the requirements for parent-child recognition are satisfied.

For children with one Vietnamese parent and one foreign parent, the nationality rules introduced by the amended Law on Vietnamese Nationality effective from 1 July 2025 should be carefully considered. Foreign parents should also take into account the changes to Vietnam's local government structure and verify the competent authority and current administrative requirements when filing the application in Ho Chi Minh City.

Because cross-border civil status matters may involve the laws of both Vietnam and the foreign parent's home country, a case-specific legal review is recommended where issues concerning parentage, nationality, foreign documents or immigration status arise.

See more at:

1) Birth Registration Certificate in Vietnam

2) Some questions related to birth registration for foreigners in Vietnam