Nigeria’s Tax Harmonisation Agenda and Where States Actually Stand

In presenting the 2026 Appropriation Bill to the National Assembly, Nigeria’s Presidency emphasized reforms aimed at building a fair, competitive, and robust fiscal foundation, including a push for states to adopt harmonised tax laws to reduce the burden of multiple, overlapping taxes, levies, and fees across federal, state, and local government tiers (State House, Abuja, 2026).

Multiple taxation has long been cited as a structural drag on Nigeria’s business environment, with overlapping levies imposed by different tiers of government creating compliance burden disproportionate to the revenue collected. The 2026 harmonisation push follows earlier reform, referenced in the Presidency’s own account, of four major tax reform bills signed by President Tinubu in June 2025 (State House, Abuja, 2026) — indicating the harmonisation agenda is a second-phase implementation effort building on that earlier legislative foundation, rather than a standalone new initiative.

The Presidency’s framing links harmonisation directly to broader fiscal strategy: commending states that have “aligned with the national tax harmonisation agenda,” the address positions harmonisation as improving fiscal space for productive investment in infrastructure and human capital, alongside the FX unification and subsidy-removal reforms already credited with strengthening corporate earnings (see Case Studies, Brief 3). This creates a coherent, if state-asserted, reform narrative: currency and subsidy reform stabilized macro conditions; tax harmonisation is intended to translate that stability into a more predictable environment for smallholders and small and medium enterprises specifically.

However, independent analysis published around the same period cautions that reform gains have concentrated in macro indicators — reserves, exchange-rate orderliness, moderating inflation — while directly questioning whether “the performance” match the price paid by ordinary Nigerians (Guardian Nigeria, 2026, as cited in Case Studies, Brief 3). Tax harmonisation’s success should therefore be assessed by its effect on SME formalization and compliance cost specifically, a narrower and more verifiable metric than general macro sentiment.

Analysts and consultants advising SME clients on Nigeria’s regulatory environment should track state-level adoption of harmonised tax laws as a concrete, verifiable indicator of reform follow-through, distinct from and more diagnostic than national-level GDP or reserve figures. Given that this is explicitly framed as a multi-tier, voluntary-alignment process rather than a uniform federal mandate, coverage should specify which states have and have not adopted harmonised frameworks, since uneven state-level adoption would materially affect the operating environment for businesses operating across multiple Nigerian states.

References

Guardian Nigeria. (2026, August 4). Nigeria has paid the price of reform. Where is the performance? https://guardian.ng/business-services/nigeria-has-paid-the-price-of-reform-where-is-the-performance/

State House, Abuja. (2026, January 1). 2026 marks the beginning of a more robust phase of economic growth. https://statehouse.gov.ng/2026-marks-the-beginning-of-a-more-robust-phase-of-economic-growth/