Nigeria Credit Upgrade Signals Reform Momentum for Investors

S&P Global Ratings has raised Nigeria’s long-term foreign and local currency ratings to ‘B’ from ‘B-‘, assigning a stable outlook. The move anchors a narrative of reform-driven credit improvement rather than cyclical luck.

Reforms start to rebuild macro credibility

S&P’s review, published on 15 May 2026, links the higher rating in part to macroeconomic and structural reforms under President Bola Tinubu’s administration, alongside improvements in Nigeria’s external position and oil sector. The agency points to the liberalisation of the foreign exchange market and efforts to strengthen domestic energy production as key supports for Nigeria’s external accounts and growth prospects.

FX reform has been central. Authorities have moved towards a more market-driven exchange rate. They have moved toward a more unified, market-driven FX system and sharply tightened monetary policy under the Central Bank’s current leadership, measures aimed at improving FX market functioning and supporting the naira. While FX volatility and liquidity frictions remain, S&P judges that the direction of travel now supports a gradual normalisation of balance of payments dynamics and investor access.

On the real-economy side, S&P highlights rising crude oil production and expanding domestic refining capacity as structural positives. Incremental improvements in upstream output, combined with the ramp-up of large-scale refining, are expected to reduce fuel import bills, support current account receipts, and narrow long-standing external vulnerabilities over the medium term.

S&P expects Nigeria’s real GDP per capita to gradually improve over the medium term if reforms are sustained. That would mark a decisive break from the average contraction over the previous decade, when population growth consistently outpaced economic expansion. The upgrade therefore signals not only better credit metrics, but also the start of a modest recovery in per-capita incomes if reforms hold.

Growth prospects improve, but discipline remains critical

S&P’s action fits into a broader reassessment of Nigeria across multilaterals and rating agencies. The World Bank projects that Nigeria’s economy will grow by around 3–4% over the next few years, placing it towards the upper end of growth among large African economies, provided reforms are sustained. However, the Bank has also stressed that policy slippage could quickly erode these gains.

World Bank guidance centres on three themes. First, maintain fiscal discipline, particularly around recurrent spending. Second, avoid a return to broad-based fuel subsidies that would absorb oil windfalls and re-open fiscal and external gaps. Third, ringfence higher oil revenues for savings and productive investment, especially in infrastructure and human capital, to strengthen long-term resilience.

S&P echoes these concerns in subtler form. The stable outlook reflects both the progress made and the still-elevated risks from high inflation, exchange rate volatility, and exposure to oil price swings. Nigeria’s inflation has remained elevated and continued to rise into early 2026, with recent increases in March and April driven in part by higher fuel and food costs. The Central Bank of Nigeria has responded with a tight monetary stance, aiming to anchor expectations and bolster naira confidence, but the transmission to prices and credit conditions will take time.

Importantly, the upgrade comes against a backdrop of global uncertainty. Geopolitical tensions involving Iran, Israel and the United States have added to energy price volatility and transport cost pressures. Nigeria’s position as a crude exporter and emerging refined product producer gives it some insulation, yet it also ties the country’s fortunes to an unpredictable oil market.

For investors, the Nigeria credit upgrade resets the conversation around risk and reward. A ‘B’ rating and stable outlook will support benchmark index inclusion prospects, lower risk premia at the margin, and broaden the pool of institutional buyers for future Eurobond and syndicated loan issuance.

The bigger opportunity, however, lies in whether Nigeria can convert this early endorsement into a sustained reform cycle that delivers stable FX access, lower inflation, and credible fiscal anchors. Over the next 12 to 24 months, the durability of FX and fuel-pricing reforms, the pace of refining ramp-up, and the use of oil windfalls will determine whether this upgrade becomes the first step in a longer re-rating story.

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