The Federal Inland Revenue Service (FIRS) has announced that the National Identification Number (NIN) will now serve as the Tax Identification Number (TIN) for Nigerians, as part of efforts to simplify tax administration and improve compliance. The move aligns Nigeria’s tax system with global best practices by creating a single, harmonised identity framework for taxpayers.

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According to FIRS, the integration eliminates the need for separate TIN registration, reduces duplication of records, and strengthens transparency across government revenue systems. With the new arrangement, individuals and businesses can access tax services using their NIN, while data sharing among relevant agencies is expected to enhance efficiency and curb tax evasion.

The development follows ongoing reforms by the federal government to expand the tax base, modernise revenue collection, and ease the burden of doing business. FIRS assured Nigerians that data protection measures are in place and urged taxpayers to ensure their NIN details are accurate and up to date to avoid service disruptions.