Nigeria’s public-debt debate has a bad habit of moving between two extremes.
One side treats every new loan as proof that the country is bankrupt. The other treats borrowing as harmless because Nigeria’s debt-to-GDP ratio is lower than that of many advanced economies.
Both approaches are too simple.
The latest debate is being driven by the Debt Management Office’s provisional fourth-quarter bond calendar. The DMO plans bond offers of about ₦1.75 trillion in October, ₦2 trillion in November and another ₦2 trillion in December, for a total of roughly ₦5.75 trillion. Some market reports round that to ₦5.8 trillion.
That sounds enormous, and it is a large volume of securities. But one important clarification must come first: a bond issuance calendar is not necessarily the same thing as net new debt. Government may issue securities to refinance maturing obligations, manage cash flow or fund an approved budget deficit. The amount offered can also differ from the amount eventually allotted.
The bigger question is therefore not simply, “Is ₦5.8 trillion too much?”
It is, “What is Nigeria borrowing for, what does it cost, how much of it is truly additional debt, and can future revenues service it without crowding out development?”
Start with the debt stock
The Debt Management Office reported Nigeria’s total public debt at about ₦166.79 trillion at the end of June 2026.
That figure includes the external and domestic debt of the Federal Government, states and the Federal Capital Territory.
Domestic debt accounted for the larger share.
The number has grown substantially in naira terms in recent years for several reasons: new borrowing, recognition of previous obligations such as Ways and Means advances, and exchange-rate effects on foreign-currency debt.
A rising naira debt stock is therefore not caused by one single factor.
But the direction still matters.
Debt creates future obligations. Interest must be paid. Principal must eventually be refinanced or repaid. The larger the stock, the more important the quality of the assets or reforms financed with it becomes.
The 2026 budget already depends heavily on borrowing
Nigeria’s 2026 Appropriation Act is large.
The President signed a budget of about ₦68.32 trillion, with debt service of roughly ₦15.8 trillion and capital expenditure above ₦32 trillion.
The fiscal plan assumes a significant gap between projected revenue and spending.
That gap has to be financed.
Government can raise taxes, sell assets, obtain concessional project loans, issue domestic securities or borrow externally.
In practice, domestic borrowing remains one of the most important tools because Nigeria has a deep market for government securities among banks, pension funds, asset managers, insurers and other investors.
The Q4 bond calendar should therefore be understood inside the approved fiscal framework rather than as a completely separate borrowing decision.
Gross issuance is not the same as net borrowing
This is one of the most important distinctions in public finance.
Suppose ₦500 billion of bonds mature and government issues ₦500 billion of new bonds to repay or refinance them.
Gross issuance is ₦500 billion.
Net borrowing may be close to zero, depending on the wider transaction.
If government issues ₦1 trillion while ₦500 billion matures, the net increase is closer to ₦500 billion.
The same principle applies to Treasury Bills and other securities.
This is why a headline saying “government plans to borrow ₦5.8 trillion” can overstate the increase in debt if it does not account for maturities and refinancing.
FridayPosts would therefore treat the Q4 calendar as a gross financing programme until the DMO publishes the actual allotments, maturities and net financing effect.
Refinancing is normal, but it can still be expensive
Governments rarely repay every maturing bond entirely from current revenue.
They refinance.
This is normal sovereign debt management.
The issue is the interest rate.
If an old bond with a lower coupon matures and is replaced with a new bond at a higher yield, debt-service cost rises even if the principal amount does not increase much.
Nigeria has spent recent years in a high-interest-rate environment as the Central Bank tightened policy to fight inflation and stabilise the naira.
Bond yields have eased from some of their peaks, but government borrowing costs remain substantial.
The fiscal pressure therefore comes from both the size of debt and the price of servicing it.
Debt service is the more immediate constraint
Nigeria is not unusual because it has debt.
Almost every government borrows.
The more urgent Nigerian problem is that public revenue remains relatively low compared with the size of the economy and the country’s spending needs.
When a large share of federal revenue goes to debt service, less is available for security, healthcare, education, infrastructure and social protection.
The 2026 budget provides roughly ₦15.8 trillion for debt service.
That is not money that builds a new road or hospital today. It is the cost of past financing decisions.
This is why the revenue-to-debt-service relationship is often more useful than debt-to-GDP alone.
A wealthy country with a high debt ratio but strong tax revenues may have more fiscal space than a country with a lower debt ratio and weak revenue collection.
Debt-to-GDP can create false comfort
Government officials often point out that Nigeria’s debt-to-GDP ratio remains moderate by international standards.
That is relevant.
It means the total stock of public debt is not extraordinarily large compared with the estimated size of the economy.
But GDP is not the bank account from which interest is paid.
Government services debt from revenue.
Nigeria’s tax and non-oil revenue mobilisation has historically been weak compared with many peers.
The new tax reforms are intended to improve this.
If revenues grow faster than debt service, sustainability improves even if the debt stock rises in nominal terms.
If borrowing grows while revenue remains weak, fiscal pressure increases.
What matters most is what the borrowed money finances
There is a major difference between borrowing to build an economically productive asset and borrowing to fund recurring consumption.
A road that reduces logistics costs can raise productivity.
A power project can unlock industrial output.
A railway can improve freight movement.
A digital tax system can raise future revenue.
Those assets may generate economic returns larger than the interest cost of the debt.
Borrowing to cover persistent administrative waste, on the other hand, creates liabilities without creating equivalent future capacity.
Nigeria therefore needs a stronger link between debt and measurable outcomes.
Citizens should be able to see what portion of borrowing finances which projects.
Domestic borrowing can crowd out private investment
When the Federal Government offers attractive yields, banks and institutional investors have a choice.
They can lend to a manufacturing company with credit risk, or buy government securities that are easier to evaluate and generally considered lower risk.
If government borrowing is very large, it can absorb liquidity that might otherwise finance private businesses.
This is called crowding out.
It does not mean every government bond directly prevents an SME loan.
But high sovereign borrowing and high yields can set a price benchmark for the entire credit market.
A business may have to pay an even higher interest rate to persuade a bank to lend.
That is one reason companies watch government issuance calendars closely.
The bond market also performs useful functions
It would be wrong to describe government securities only as a problem.
A functioning bond market is an important part of financial development.
Pension funds need long-term assets.
Insurance companies need instruments that match liabilities.
Banks need liquid securities.
Government bonds create a yield curve that helps price corporate debt.
The challenge is balance.
The sovereign should deepen the market without dominating it so completely that private borrowers struggle to compete.
Longer maturities can reduce refinancing risk
Debt management is not only about the amount borrowed.
Maturity structure matters.
If too much debt matures in a short period, government faces refinancing risk.
A market shock can make it difficult or expensive to roll over obligations.
Longer-dated bonds spread maturities across time.
They may cost more initially because investors demand compensation for locking money away for longer, but they can improve predictability.
The DMO should continue to manage the maturity profile deliberately rather than chase only the cheapest short-term rate.
Foreign debt brings a different risk
External borrowing can sometimes be cheaper, especially from multilateral institutions.
But foreign-currency debt creates exchange-rate risk.
If the naira weakens, the local-currency cost of servicing dollar or euro debt rises.
Domestic debt avoids that currency mismatch, but can carry higher interest rates and crowd out local credit.
There is no risk-free financing source.
Nigeria needs a balanced debt portfolio.
The public needs clearer reporting on net financing
The DMO already publishes detailed debt statistics and issuance calendars.
But the public conversation would improve if every quarterly financing report included four simple numbers:
Gross securities issued.
Securities that matured.
Net new domestic borrowing.
Average effective cost of new debt.
That would make it easier to understand whether a large auction calendar represents debt growth, refinancing or both.
It would also reduce sensational headlines.
Revenue reform is the long-term answer
Nigeria cannot solve its fiscal challenge by borrowing less alone.
The country has enormous infrastructure, security and human-development needs.
If government abruptly stops borrowing without increasing revenue or cutting waste, capital projects and essential services will suffer.
The durable solution is a larger revenue base generated by a larger formal economy, better tax administration, higher non-oil productivity and better returns from public assets.
The objective should not be taxation for its own sake.
It should be to create enough reliable public revenue that government can invest without depending excessively on debt.
Oil revenue still matters too much
Nigeria has made progress in non-oil revenue, but oil remains central to fiscal and foreign-exchange conditions.
Production disruptions, price declines or weak remittances can quickly affect government financing.
A more diversified revenue base reduces this vulnerability.
This is why industrialisation, exports and formal employment are ultimately debt-policy issues too.
A richer economy gives government more ways to finance public services.
Borrowing should have a public return test
Every major borrowing programme should answer a simple question: what public value will this debt create?
For project-linked borrowing, that can be specific.
How many kilometres of road?
How many megawatts?
How much freight capacity?
For deficit financing, the link is broader but still measurable.
Did borrowing protect capital investment?
Did it prevent arrears?
Did it finance productive programmes?
Debt becomes politically easier to defend when citizens can see what was built.
Nigeria should publish a fiscal risk dashboard
A useful quarterly dashboard would track public debt, debt service, federal revenue, interest-to-revenue ratio, average borrowing cost, maturity profile, foreign-currency share, and the proportion of borrowing linked to capital spending.
This would make sustainability a continuous discussion rather than a crisis conversation each time a large bond offer is announced.
Markets already analyse these numbers.
Citizens should be able to do the same.
So, how much debt can Nigeria afford?
There is no single magic naira figure.
Debt capacity depends on revenue, economic growth, interest rates, currency stability, maturity structure and what borrowed funds produce.
A country whose revenues are growing strongly can carry more debt safely than one whose revenues are stagnant.
A country borrowing at low rates for productive investment is in a different position from one borrowing at high rates to finance recurring expenditure.
This is why the answer cannot be “₦166 trillion is too much” or “36 per cent of GDP is safe.”
The answer is conditional.
The Q4 borrowing plan should be judged after three tests
First, how much of the roughly ₦5.75 trillion offered is actually allotted?
Second, how much is refinancing and how much represents net new debt?
Third, what is the average cost and what budget purpose does the money serve?
Those questions matter more than the rounded headline.
Nigeria can borrow.
It will need to borrow for years because its development needs exceed current public revenues.
But every year of heavy borrowing raises the standard of discipline required.
The country cannot afford debt that creates no corresponding productive capacity.
The real fiscal danger is not debt itself.
It is paying tomorrow for money that did too little today.
Sources and further reading
- Debt Management Office: Q4 2026 FGN Bond Issuance Calendar
- Debt Management Office: Nigeria’s total public debt as at 30 June 2026
- State House: 2026 Appropriation Act assent
- PUNCH, 14 October 2026: DMO eyes ₦5.8tn from FGN bond sales in Q4
A. Joshua Adedeji
A. Joshua Adedeji is a leadership strategist, organisational development consultant, author, teacher and values-driven transformation leader. He writes on leadership, strategy, governance, organisational effectiveness, business, personal development and Nigeria’s social and economic transformation, connecting ideas and current realities to practical implications for leaders, institutions, entrepreneurs and citizens. His work is shaped by a commitment to clear thinking, responsible leadership, stronger institutions and the development of people and systems capable of producing lasting impact.
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