Nigeria's Debt Dilemma: $121 Billion Debt and the Rising Cost of Financing Development

Nigeria is seeking a fresh $500 million World Bank loan to establish an infrastructure financing platform, even as President Bola Tinubu seeks Senate approval for a $7.7 billion external borrowing programme. The developments raise a difficult question: how sustainable is Nigeria's growing dependence on debt to finance economic development?

According to the Debt Management Office (DMO), Nigeria's public debt reached $120.93 billion as of June 30, 2026, equivalent to ₦166.79 trillion.

The bigger concern, however, is not simply the size of the debt. It is the government's ability to generate enough revenue to service it.

The DMO projects that debt servicing could consume 71.7% of federal government revenue by 2030. In practical terms, for every $100 collected by the government, approximately $71.70 could go towards servicing existing debt, leaving just $28.30 for other government obligations.

This creates an increasingly difficult fiscal environment, where borrowing costs compete directly with spending on healthcare, education, infrastructure and public services.

The proposed $500 million World Bank facility is intended to support a broader $3.85 billion infrastructure financing platform, designed to attract private investment into projects that struggle to secure commercial financing.

The initiative combines multilateral financing, government equity, private capital, commercial debt and guarantees.

Its potential value lies in mobilizing private capital rather than relying entirely on government borrowing to finance infrastructure.

However, guarantees also create contingent liabilities. If privately financed projects fail to meet their obligations, the government could eventually bear part of the financial burden.

The distinction is important: the $500 million loan is proposed financing, while the wider platform's guarantees are not equivalent to immediate cash borrowing.

Nigeria's debt composition provides further insight into the country's exposure.

Nigeria's debt trajectory is becoming increasingly vulnerable, even if it does not automatically imply an imminent sovereign debt crisis.

The IMF's assessment of moderate sovereign stress suggests that the country retains some capacity to manage its obligations. However, the projected 71.7% debt-service-to-revenue ratio highlights how little fiscal room could remain by the end of the decade.

The central challenge is therefore not simply reducing the debt stock. It is growing government revenue faster than debt-servicing obligations.