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The short answer
NIMC's self-service portal at selfservicemodification.nimc.gov.ng handles four changes: name, phone number, date of birth and address. Payment is by Paystack, NIMC's February 2026 Service Charter targets 48 to 72 hours for portal modifications, and other fields, along with gender, which NIMC lists as non-updatable, cannot be changed there.
The four changes you can make online
| Change | Documents NIMC asks for |
|---|---|
| Name | Court affidavit, newspaper extract, marriage certificate (for a change on marriage), another government ID |
| Address | Utility bill, tenancy agreement or a community leader's attestation letter |
| Phone number | Police report |
| Date of birth | Digitised National Population Commission attestation certificate if born before 1992, or digitised NPC birth certificate if born after 1992 |
For a phone number change, NIMC says to enter the new number without the leading 0 after +234, in the form +234 812...
How a date of birth change works on the portal
Date of birth is the change people get wrong most often, so NIMC sets out the steps:
- Verify your NIN and log in.
- Open your dashboard and choose the date of birth modification.
- Pay through Paystack.
- Enter your NPC certificate number and validate it. The portal fills in the date from the NPC record and you cannot edit it.
- Upload the NPC certificate and any other supporting documents.
- Preview the change, tick the attestation box and submit.
- Your transaction slip appears in the modification table. When the change is approved, you are notified and the new NIN slip is emailed; you can also print it from the dashboard.
If you have lost your birth certificate, NIMC points you to the NPC's online attestation at nationalpopulation.gov.ng before you start. Because the date comes from the NPC record, the portal will not let you type a different one.
Fees and timings
| Item | NIMC's February 2026 Service Charter |
|---|---|
| Change of name, address or other information | ₦2,000 |
| Correction of date of birth | ₦28,574 |
| NIN slip via self-service portal | ₦1,000 |
| Portal modification turnaround | 48 to 72 hours |
| Date of birth change of more than five years | Two weeks |
NIMC's modification web pages still show the older N500-per-field and N15,000 date of birth fees. NIMC announced a fee review on 1 May 2025, and the charter is the later document, but the amount Paystack shows at checkout is the one you pay. The charter's date of birth fee, like the old one, is for processing only; NIMC's earlier page called it non-refundable.
More than one change at once
NIMC's older pages priced modifications per field, at N500 a field. The February 2026 charter lists a single line for change of name, address and other information at ₦2,000 and does not say whether that is per field or per request. If you need, say, your surname and address changed after marriage, check the portal's checkout for the total before paying, and keep each receipt. NIMC lists refunds for wrong fee charges as a fee-related complaint with a 5 to 10 working day target.
What self-service does not cover
- New enrolment. A first NIN needs fingerprints and a photograph taken at a centre; see enrolment documents and process.
- Retrieving a forgotten NIN. That is done with *346# from the enrolment phone number.
- A copy of your slip. The charter lists ₦1,000 for a slip through the portal; NIMC's NINAuth app says slip downloads in the app are free.
What the portal cannot change
NIMC's modification rules list fields that cannot be changed at all, online or at a centre:
- Gender
- The NIN itself, the tracking number and the date of registration
- State, LGA and centre of registration, ward and polling unit
- Fingerprints, the fingerprint reason codes and your signature
- ID card number and the originating and loading centres
Fields that can be updated but are not on the portal, such as place of birth, state and town of origin, and your parents' NIN and origin details, need a visit to an enrolment centre with the original NIN slip, the payment reference, a signed application letter and the supporting document. NIMC captures your biometrics at that visit.
Things to sort first
- Make sure the error is in your NIN record and not only in your BVN or bank file; see BVN and NIN details that do not match.
- Have clear scans of the documents before you pay.
- For a date of birth change, get the NPC certificate or attestation first.
- Keep the transaction slip and payment receipt. If the change is not applied within the charter time, email nimcmodification@nimc.gov.ng with both; see how long a NIN modification takes.
Questions people ask
What can I change on the NIMC self-service portal?
Name, phone number, date of birth and address, each with the supporting documents NIMC lists.
How much is NIN date of birth correction?
NIMC's February 2026 Service Charter lists ₦28,574. Older NIMC web pages still show N15,000, so check the amount at checkout.
Can I change my gender on my NIN?
No. NIMC lists gender among the non-updatable fields.
How long does self-service NIN modification take?
The charter targets 48 to 72 hours for portal modifications and two weeks for date of birth changes of more than five years.
Sources
- NIMC: Self-Service Modifications · accessed Oct 2026
- NIMC: NIN Modifications (Adults) · accessed Oct 2026
- NIMC Service Charter, February 2026 (PDF) · accessed Oct 2026
- NIMC press releases (fee review, 1 May 2025; extortion notice, 20 Dec 2024) · accessed Oct 2026
- NINAuth, NIMC's digital ID and consent service · accessed Oct 2026
- NIMC: SMS Services (USSD NIN retrieval) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.