Oversubscription Masks Nigeria’s Growing Dependence On Costly Debt

The federal government’s March 2026 bond auction has been presented, rather conveniently, as evidence of investor confidence. We must resist that simplistic interpretation. Yes, the auction recorded a 4.28 percent oversubscription, with N931.5 billion in bids against N750 billion on offer. But to equate demand with confidence, without interrogating cost, structure, and context, is analytically lazy.

What we are witnessing is not necessarily confidence. It is yield-seeking behaviour in a high-interest environment.

We note that the strongest demand clustered around the 9-year May 2033 bond, which attracted N462.21 billion in bids. This is not accidental. Investors are locking into longer-tenor instruments at yields as high as 16.64 percent. That is not a vote of faith in macroeconomic stability. It is a rational response to elevated returns in a risk-adjusted environment.

Let us be clear. When a sovereign must offer yields in the mid-to-high teens to attract capital, the narrative is not strength, it is cost.

The Debt Management Office’s decision to allot only N485.49 billion, a 7.4 percent decline from February, adds another layer of interpretation. On the surface, this suggests prudence, a deliberate attempt to limit borrowing despite strong demand. But we must ask, is this restraint strategic, or is it a reflection of the government’s growing sensitivity to the cost of debt?

We cannot ignore the broader fiscal context. Nigeria’s debt servicing burden remains elevated, and interest payments continue to consume a significant share of government revenue. In such an environment, every additional naira borrowed at double-digit yields compounds future fiscal pressure.

This is the paradox we must confront. Strong demand for government bonds does not reduce fiscal risk, it can, in fact, deepen it.

We also observe the pricing dynamics. The bonds were offered within wide yield bands, up to 19.89 percent for the 9-year instrument. This flexibility is often framed as market responsiveness. In reality, it reflects the government’s willingness to meet the market at increasingly expensive price points.

There is a structural issue here. Domestic debt markets are becoming the primary financing channel for the government, but at rates that are crowding out private sector borrowing. When sovereign instruments offer such high yields, capital naturally gravitates toward them, leaving businesses to contend with even higher borrowing costs or limited access to credit altogether. This is not a neutral outcome. It is a distortion.

We must also question the sustainability of this demand. Investor appetite is strong today because yields are attractive. But this is not a permanent condition. Should macroeconomic conditions shift, or should inflation expectations change, the same investors could demand even higher yields or withdraw altogether.

In that scenario, the government’s financing position becomes more precarious.

What, then, should we take from this auction?

We should recognise it for what it is, a short-term success in liquidity mobilisation, not a long-term validation of fiscal strength. Oversubscription is a metric, not a verdict. It tells us that capital is available, but it does not tell us that the terms of that capital are sustainable.

We must move beyond celebrating demand and begin scrutinising cost.

Until Nigeria can borrow at materially lower rates, supported by stronger macroeconomic fundamentals, improved revenue mobilisation, and credible fiscal discipline, these auctions will continue to reflect a fundamental imbalance, capital is accessible, but at a price that constrains future growth. We should not confuse access with advantage.