Declaring a Birth or Marriage with ANIP in Cotonou (2026)

Benin's civil registry has been thoroughly modernized through the centralization of the National Register of Individuals (RNPP), managed by ANIP (the National Agency for Identification of Persons). Whether you've just welcomed a newborn or are preparing for your civil marriage, declaring a birth or marriage in Cotonou ensures you obtain secure, biometric civil status certificates.

In summary: birth and marriage declarations in Cotonou (2026)

• Birth (legal deadline): free declaration within 30 days at the district town hall (arrondissement), with the NPI (Personal ID Number) issued by ANIP.
• Civil marriage: the only legally valid form of marriage in Benin (file submitted at the town hall + publication of banns).
• Secure certificates: issued in biometric format and downloadable from eservices.anip.bj.
• Late declarations: past 30 days, a supplementary court ruling (jugement supplétif) becomes mandatory.

This practical guide covers the declaration deadlines, the required administrative documents, and how the process works with maternity wards, district town halls, and ANIP.

1. Declaring a birth in Cotonou

Declaring a birth is a legal obligation that guarantees every child's right to an identity from the moment they're born.

The procedure at the maternity ward and the town hall

1. The birth declaration form at the maternity ward: as soon as delivery takes place at a clinic or hospital in Cotonou — such as CNHU, the Mother and Child Hospital of the Lagoon (HOMEL), or a private clinic — the midwife or doctor issues a medical birth certificate.
2. Registration with the civil registry: the civil registry office forwards the birth declaration to ANIP within 30 days. The father, mother, or a relative goes to the civil registry office at the district town hall (mairie d'arrondissement) where the birth took place, bringing the birth certificate and both parents' ID documents.
3. Entry into the ANIP register: once the birth is registered and transmitted, the parents can submit an online request to obtain the child's secure birth certificate, which carries the Personal Identification Number (NPI) assigned at this stage.

The one-stop-shop pilot in healthcare facilities

ANIP has launched a pilot one-stop-shop phase directly inside several healthcare facilities, aimed at bringing birth declaration closer to the place of delivery itself and reducing travel and transmission delays between the maternity ward and the town hall. This system, still being rolled out, is not yet available at every facility in Cotonou: check with the maternity ward in question to see whether it's already connected.

2. Holding and declaring a civil marriage in Cotonou

A civil marriage held before the municipality's civil registrar is the only legally recognized form of marriage in Benin.

Filing the application at the town hall

The civil marriage application is filed at the district town hall corresponding to the place of residence of one of the future spouses. The file must be submitted early enough to meet the legal deadline for publishing the banns, which gives time for any objections to be raised before the ceremony.

The documents required generally include:

• The secure birth certificates and CIP (biometric ID cards) of both future spouses.
• The ID documents of the adult witnesses planned for the ceremony.
• The prenuptial medical certificate issued by an approved doctor.
• Where applicable, the notarized marriage contract specifying the chosen marital property regime (separation of property or limited community of acquests).

Publication of the banns and the ceremony

After the file is submitted, the marriage notice is publicly posted at the town hall for the legal publication period. Once that period passes with no valid objection, the ceremony takes place in the wedding hall of Cotonou's town hall or the relevant district office. The marriage certificate is then entered into the national register kept by ANIP, allowing the spouses to later obtain secure copies of it.

3. What sets a birth declaration apart from a duplicate request

Many people confuse the initial declaration, which creates the certificate, with a later request for a copy of a certificate that already exists.

A birth declaration is a one-time act, done only once, within the legal deadline following the birth. It registers the child in the civil registry and triggers the assignment of their NPI. By contrast, a request for a duplicate or secure birth certificate, once the child is already registered, can be repeated as many times as needed throughout their life, via ANIP's online platform.

The same goes for marriage: the ceremony and registration happen only once, while copies of the marriage certificate can be requested again later, for example in case of loss or to put together an administrative file.

4. Consequences of a late declaration

Failing to declare a birth within the legal deadline noticeably complicates matters down the line. Past that deadline, registration generally requires a judicial procedure for late declaration or a supplementary court ruling (jugement supplétif), which is longer and more demanding than a declaration made on time.

For a child without a birth certificate, access to schooling, healthcare, and later to the full range of biometric documents issued by ANIP becomes blocked or heavily complicated. It is therefore directly in parents' interest to meet the 30-day deadline rather than trying to fix the situation later.

5. Home births and deliveries outside healthcare facilities

Not every birth in Cotonou happens at a clinic or hospital. A home birth, not attended by a health professional authorized to issue a medical certificate, complicates the civil registry declaration.

In that case, the district town hall generally asks for additional documents to establish that the birth actually took place: testimony from people present at the delivery, the mother's or child's health record if there was any medical follow-up, or any other evidence that helps reconstruct the circumstances of the birth. It is strongly advised, as soon as possible after a home birth, to have the child examined by a health professional who can issue a medical certificate after the fact, in order to make the declaration easier within the legal deadline.

Cotonou's healthcare facilities, public and private alike, remain the simplest and fastest channel for directly obtaining the document needed for the declaration, which is why the vast majority of births declared on time come from deliveries attended at a facility.

6. The role of witnesses in civil registry procedures

Witnesses play a specific, regulated role in two procedures covered here: birth declaration and the civil marriage ceremony.

For a birth declaration, a witness may be called upon when the person making the declaration is neither the father nor the mother of the child, to confirm the circumstances of the birth before the civil registrar. For a civil marriage, the presence of adult witnesses on the day of the ceremony is a condition for the certificate's validity: they sign the marriage certificate alongside the spouses and the civil registrar, making them formal guarantors of the ceremony.

In both cases, witnesses must be able to prove their own identity with a valid official document, just like the main parties involved. Arranging this ID document for each witness before the day of the procedure avoids last-minute postponements.

7. Special situations: children born abroad, unmarried parents

Certain family situations call for particular attention when declaring a birth or choosing a marital regime.

For a Beninese child born abroad, the birth declaration generally first follows the procedure of the country of birth, before a later transcription into the Beninese registers via the relevant consular services — a process separate from the direct declaration at a district town hall in Cotonou described in this guide. It is recommended to contact the Beninese embassy or consulate closest to the place of birth to find out the exact procedure to follow in this case.

For parents who are not married at the time of the birth, acknowledging paternity may require an additional step beyond the simple birth declaration, particularly if the father wants to appear on the certificate while the parents are not joined in civil marriage. This acknowledgment can be made before or after the birth, depending on the applicable rules, and determines whether the father's name is entered on the final certificate.

FAQ

How much does a birth declaration cost in Benin?

Declaring a birth to the civil registry within the legal deadline is free, as part of an effort to encourage universal registration of children. Fees do apply, however, to the later issuance of the secure birth certificate, charged at ANIP's official rate.

How do you get a duplicate birth or marriage certificate?

Since civil registry data is digitized in ANIP's register, it is possible to order duplicates or copies of secure certificates online on the eservices.anip.bj platform, without needing to physically return to the town hall where the certificate was originally drawn up.

What should you do if the birth wasn't declared within 30 days?

A late declaration generally requires a judicial procedure to rectify the birth certificate or obtain a supplementary court ruling (jugement supplétif) from the competent court. It's best to contact the district town hall promptly to find out the exact procedure to follow given the delay.

Does a religious or customary marriage have legal value in Benin without a civil marriage?

No, only a civil marriage held before a municipality's civil registrar has legal value in Benin. A religious or customary marriage can be held in addition, but it has no legal effect on civil status or marital property regime without first going through the town hall.

Can you get married civilly in a municipality other than your place of residence?

The marriage file is normally submitted at the town hall for the place of residence of one of the future spouses. For any special situation, it's recommended to check directly with the relevant civil registry office before starting the process.

Sources: Government of Benin – ANIP one-stop shop in healthcare facilities, ANIP.bj, Mariage.bj – applying for a civil marriage in Benin, Mariage.bj – secure marriage certificate online