By OBIOMA TORI

Nigeria’s $21.7bn Loan Gamble: Annual External Debt Servicing Could Hit $4.2bn

NIGERIA’S proposed $21.7 billion external borrowing programme could significantly increase the country’s debt-servicing burden, with annual interest obligations projected to rise from approximately $3 billion to $4.2 billion if the Federal Government fully utilises the proposed facilities.

The borrowing request, submitted by President Bola Tinubu to the National Assembly under the 2026–2027 financing framework, is intended to support infrastructure development. However, the scale of the proposed loans has reopened questions about Nigeria’s growing external debt, the cost of accessing international finance and the ability of government revenue to sustain additional obligations.

At a time when public finances already face competing demands, the prospect of another substantial increase in foreign-currency liabilities raises an important economic question: can the infrastructure financed by these loans generate sufficient returns to justify the additional debt?

Although Nigeria needs substantial investment in transportation, energy, logistics and other productive sectors, the benefits of borrowing will depend on how effectively the government selects, finances and executes the proposed projects. Without strong implementation and improved revenue generation, the country could accumulate additional foreign obligations without securing the economic returns needed to service them.

A major borrowing programme against a rising debt stock

The proposed facilities comprise $20.5 billion and €1 billion. Using the exchange rate of $1.113 to the euro applied in the assessment, the euro-denominated facility translates into approximately $1.1 billion, bringing the total programme to about $21.6 billion, or approximately $21.7 billion.

The proposed amount represents roughly 39.8 per cent of Nigeria’s existing external debt stock. Consequently, full utilisation would constitute a substantial addition to the country’s foreign borrowing obligations.

The scale becomes clearer when viewed against the latest Debt Management Office figures. Nigeria’s external debt stock increased by $2.6 billion between the first and second quarters of 2026, representing a five per cent rise. Compared with the corresponding period of 2025, the increase amounted to $7.5 billion, or 16 per cent.

By the end of the second quarter of 2026, the country’s external debt had reached $54.5 billion.

The Federal Government accounted for $47.7 billion, representing 87.5 per cent of the total. State governments and the Federal Capital Territory accounted for the remaining obligations.

These figures demonstrate the extent to which the Federal Government already dominates Nigeria’s external debt portfolio. Therefore, another borrowing programme of this magnitude would increase the concentration of foreign debt within the national government’s fiscal responsibilities.

Debt-to-GDP ratio could rise, although the wider picture matters

Nigeria’s current external debt stock represents approximately 14.7 per cent of gross domestic product, based on the 2026 GDP forecast used in the assessment.

However, if the government fully utilises the proposed facilities, the ratio could increase to an estimated 20.5 per cent.

Although that projection remains below the 27 per cent level implied by the DMO’s 2024–2027 Medium-Term Debt Management Strategy, the increase deserves attention.

Debt-to-GDP ratios provide one measure of a country’s capacity to support its borrowing. Nevertheless, the ratio alone cannot establish whether a government can comfortably meet its repayment obligations.

Revenue generation, foreign-exchange earnings, borrowing costs, repayment schedules and the productivity of financed projects also determine debt sustainability.

For Nigeria, the central concern is that the government must service its obligations with revenue that is already required to finance salaries, security, education, healthcare, infrastructure maintenance and other public responsibilities.

Consequently, even a debt stock that appears manageable relative to GDP could create serious fiscal pressure if government revenue remains weak.

Annual debt servicing could rise to $4.2bn

The projected increase in debt servicing represents one of the most significant implications of the proposed borrowing.

Nigeria’s external debt-service costs, excluding principal repayments, rose by 47 per cent year-on-year to almost $1.5 billion in the first half of 2026.

Annualising that amount places the existing external interest burden at approximately $3 billion.

If the proposed borrowing programme is fully utilised, additional annual interest payments could reach approximately $1.2 billion. This would raise the annualised external interest burden to about $4.2 billion.

The increase would further narrow the government’s fiscal space, particularly if revenue growth fails to keep pace with rising obligations.

It is important, however, to distinguish interest payments from total debt service. The projected $4.2 billion represents annualised interest costs under the assessment. It does not include principal repayments, which would create additional cash-flow obligations according to the repayment schedules of the individual facilities.

Therefore, the full financial implications of the programme would depend not only on the interest rates but also on the maturity periods, grace periods, repayment structures and disbursement arrangements attached to each loan.

Commercial borrowing could make the programme more expensive

Finance Minister Taiwo Oyedele disclosed that approximately $7.9 billion of the proposed borrowing would come from multilateral and bilateral lenders. The government would source the remaining amount commercially.

The composition of the financing matters because concessional loans generally offer more favourable terms than commercial facilities.

An illustrative assessment assumes an average interest rate of 2.1 per cent for concessional borrowing and 7.8 per cent for commercial facilities. Based on those assumptions, the programme would carry a blended interest rate of approximately 5.7 per cent.

At that rate, full utilisation could generate additional annual interest payments of about $1.2 billion.

Although concessional financing would moderate the overall cost, the substantial commercial component could expose Nigeria to higher borrowing expenses and changing international financial conditions.

Global interest rates, investor confidence, credit assessments and the availability of foreign capital could all influence the terms under which the government accesses commercial funding.

Moreover, commercial borrowing often leaves governments with less room to renegotiate repayment terms than concessional arrangements.

Nevertheless, the proposed facilities may not all be disbursed immediately. A phased borrowing and implementation schedule could spread the additional obligations over time, thereby moderating the immediate impact on public finances.

Even so, the eventual burden would depend on the amount actually drawn, the timing of disbursements and the terms agreed with each lender.

The foreign-exchange mismatch creates another fiscal risk

Beyond the size and cost of the loans, Nigeria faces another major challenge: the currency mismatch between its borrowing obligations and the revenue expected from many infrastructure projects.

The proposed facilities are denominated in dollars and euros, while several of the projects expected to benefit from the funds would operate within the domestic economy and generate revenue in naira.

This arrangement creates an exchange-rate risk.

If the naira depreciates significantly, the government would need more local currency to obtain the foreign exchange required for interest payments and principal repayments.

Consequently, even where a project performs reasonably well in naira terms, its financial contribution may prove insufficient to cover the foreign-currency obligations attached to its financing.

The risk becomes more serious if Nigeria’s foreign-exchange earnings fail to grow sufficiently to support rising external debt payments.

A sustainable borrowing strategy must therefore consider the relationship between the currency in which a loan is obtained, the revenue a project generates and the foreign-exchange resources available to service the obligation.

Where projects generate primarily domestic-currency revenue, the government must assess how they will contribute to the wider economy and whether their indirect benefits can strengthen export earnings, productivity and public revenue.

Infrastructure needs provide an economic justification

Despite the risks, the case for infrastructure investment remains significant.

Nigeria continues to face substantial infrastructure gaps across transportation, electricity, logistics and other productive sectors. These weaknesses increase business costs, restrict economic activity and limit the ability of industries to compete.

Poor transport networks can raise the cost of moving goods, while inadequate electricity supply forces businesses to rely on more expensive alternatives. Similarly, weak logistics infrastructure can delay deliveries, reduce productivity and discourage private-sector investment.

Under these circumstances, well-planned infrastructure borrowing could support economic growth.

Projects that improve transportation, expand energy capacity, strengthen logistics and connect production centres to markets could reduce operating costs and encourage businesses to invest.

Furthermore, stronger economic activity could broaden the tax base, increase employment and improve government revenue over time.

However, infrastructure investment does not automatically produce these outcomes. The economic value of a loan depends on the quality of the projects it finances, the cost of implementation and the speed at which the facilities become operational.

Therefore, the government must demonstrate that the proposed projects can deliver measurable benefits rather than simply increase public expenditure.

Project execution will determine whether borrowing delivers value

The effectiveness of the proposed borrowing programme will ultimately depend on project selection and implementation.

Projects must undergo credible economic and financial assessments before the government commits substantial foreign resources. Their costs, expected benefits, completion periods and long-term maintenance requirements should also be clearly established.

Moreover, transparent procurement and effective supervision are essential to prevent cost overruns, unnecessary delays and inefficient spending.

Where projects remain incomplete for extended periods, the government may begin servicing loans before the infrastructure generates meaningful economic benefits.

That scenario would create a difficult imbalance: the debt obligations would continue accumulating even as the expected returns remained unrealised.

Conversely, timely completion could strengthen the economy by improving productivity, reducing business costs and supporting additional private investment.

The government must therefore ensure that financing arrangements correspond with realistic implementation schedules. Equally important, project monitoring should establish whether contractors meet agreed standards and whether public funds produce the intended outcomes.

Tax reforms could strengthen revenue mobilisation

The government’s ongoing tax reforms could provide some support for managing the additional debt burden.

Broader revenue collection, improved administrative efficiency and stronger compliance could increase the resources available for debt servicing and essential public expenditure.

However, the success of these reforms will depend on effective implementation and the government’s ability to improve revenue mobilisation without imposing excessive pressure on households and businesses.

A larger revenue base would provide greater flexibility in managing debt obligations. It could also reduce the government’s dependence on repeated borrowing to finance public investment.

Nevertheless, expected improvements in tax collection should not be treated as guaranteed revenue before the reforms deliver measurable results.

The government must align its borrowing decisions with realistic revenue projections rather than relying on optimistic assumptions about future collections.

The choice between productive borrowing & fiscal pressure

Nigeria’s proposed $21.7 billion borrowing programme presents a difficult balance between development needs and fiscal responsibility.

On one hand, the country cannot address its infrastructure deficit without substantial investment. On the other, foreign borrowing creates obligations that must be met regardless of whether projects are completed on schedule or deliver their expected benefits.

The projected increase in annual external interest payments from approximately $3 billion to $4.2 billion illustrates the scale of the additional commitment.

Moreover, foreign-exchange exposure, commercial borrowing costs and existing revenue constraints could make the programme more difficult to manage.

Ultimately, the government must demonstrate that every major facility will finance productive assets capable of strengthening economic activity and supporting future revenue generation.

That requires transparent loan agreements, credible project assessments, disciplined procurement, timely execution and effective public accountability.

Without those safeguards, Nigeria could end up carrying a heavier foreign debt burden while sacrificing fiscal resources needed for essential services.

The real measure of the borrowing programme will therefore not be the amount of money secured from international lenders. It will be the economic value generated by the projects, the revenue they help create and the country’s ability to repay the loans without undermining its broader development priorities.