By Jude Dike, PhD
”The most expensive thing Africa is losing may not be its oil, its currency, or its sovereign wealth. It may be the millions of girls whose futures are being negotiated away before they are old enough to choose them.”
Africa knows how to count its losses when the losses come dressed in crude oil.
We count the barrels stolen from pipelines. We count the billions lost to corruption. We count the naira swallowed by inflation, the dollars spent defending the currency, the trillions committed to debt servicing, and the fortunes promised by the next industrial revolution.
We can summon an entire nation to debate a fuel subsidy, a refinery, a public offering, a budget deficit, or the latest scandal involving a government agency.
But there is another balance sheet we rarely open.
It records the girls who leave school and never return. The children whose childhoods end in marriages arranged by adults. The young women whose earning years are compromised before their working lives have properly begun. The future doctors, engineers, teachers, entrepreneurs, scientists, and political leaders whose choices are narrowed before they have had a fair chance to discover their abilities.
This balance sheet has no trading ticker. No stock exchange lists its losses. No finance minister announces its quarterly performance.
Yet its liabilities accumulate in homes, clinics, classrooms, labour markets, and national budgets.
Africa is not merely confronting a child-marriage crisis. It is financing a quiet economic catastrophe with the futures of its girls.
And almost nobody is treating it with the urgency of an economic emergency.
The numbers are not a metaphor
Consider the evidence.
According to UNICEF, approximately 650 million women and girls alive today were married before their eighteenth birthday. More than 12 million girls are married in childhood each year worldwide. Sub-Saharan Africa has one of the highest regional prevalences of child marriage, with roughly 31 per cent of girls marrying before age 18 in the latest UN summary. These figures measure different things: the first is the accumulated global population of child brides, the second the annual flow, and the third a regional prevalence measure. They are not interchangeable.
UNICEF’s continental analysis published in 2022 estimated that 130 million girls and women in Africa had been married as children. That is not 130 million weddings to be filed away as private family decisions. It is a staggering measure of childhoods interrupted across generations.
Now bring the numbers home to Nigeria.
The latest 2024 Demographic and Health Survey figures cited by UNICEF put the proportion of young Nigerian women aged 20–24 who married before 18 at approximately 33.4 per cent. That is roughly one in three. UNICEF’s child-marriage data portal estimates about 23.7 million Nigerian girls and women were married before age 18, using its cumulative count.
The national average, however, conceals a much harsher geography. The prevalence is around 60 per cent or higher in some north-western states, including Jigawa, Zamfara, Sokoto, and Katsina, according to the latest state-level figures available through the Child Marriage Data Portal.
Read that again.
In some communities, the marriage of a girl before adulthood is not an exceptional event. It is a risk so normalised that a society can begin to confuse frequency with inevitability.
But no harmful practice becomes harmless because it is familiar.
And no country can plausibly claim to be building a modern economy while so many of its girls face a future constrained by their sex, their birthplace, and the income of the household into which they were born.
Nigeria’s missing girls are also a missing workforce
The education numbers make the economic indictment even more difficult to ignore.
UNICEF reports that Nigeria has approximately 10.5 million children aged 5–14 out of school, while its broader education reporting identifies girls as about 60 per cent of the out-of-school population. Separately, UN reporting in December 2025 cited an estimate of 7.6 million Nigerian girls out of school, about half of them in the North.
The point is not that every girl outside school is a child bride. That would be false. Poverty, insecurity, displacement, child labour, inadequate school infrastructure, and other barriers all contribute to exclusion.
The point is that school exclusion and child marriage can reinforce one another.
A girl who cannot access a safe classroom has fewer routes to economic independence. A girl married early is more likely to face interrupted education, early pregnancy, restricted mobility, and unpaid care responsibilities. A household struggling to survive may see marriage as a way to reduce its immediate financial burden, even when that decision carries enormous long-term costs for the girl.
This is how poverty reproduces itself: not only through low incomes, but through the systematic restriction of opportunities.
And the damage does not stop with the individual.
When a country fails to educate a girl, it limits the pool of people who can become skilled workers, productive entrepreneurs, innovative farmers, health professionals, and taxpayers. It weakens the foundation on which a more diversified economy must stand.
Nigeria wants a demographic dividend. It wants a larger working-age population, higher productivity, more industrial output, more competitive businesses, and less dependence on crude oil.
But a large population is not automatically an economic advantage.
A population becomes a dividend when people are healthy, educated, skilled, and able to participate in productive life. Without those conditions, population growth can magnify unemployment, deprivation, and pressure on public services.
A country cannot marry away the potential of its girls and then expect demographics to do the work of development.
South Africa: a different crisis, the same economic warning
South Africa illustrates why Africa must not treat girls’ exclusion as a single, uniform problem.
Its child-marriage profile differs substantially from Nigeria’s. Its educational challenge is not characterised by the same scale or geography of early marriage. Yet access to schooling, the transition into and completion of secondary education, inequality, teenage pregnancy, safety, and the economic exclusion of young people remain important concerns.
UNESCO Institute for Statistics data presented through the Global Education Resource show that South Africa’s estimated out-of-school rates in 2024 were approximately 2 per cent for girls of primary-school age, 4 per cent for girls of lower-secondary age, and 17 per cent for girls of upper-secondary age.
These are rates, not counts of girls. They should not be presented as a total number of out-of-school South African girls without applying the relevant age-specific population estimates. They also do not establish that child marriage is the principal cause of exclusion.
That distinction matters. A credible argument should never force the evidence to fit the headline.
South Africa’s challenge is a reminder that getting a girl into primary school is not enough. She must be able to remain in school, complete her education, acquire relevant skills, and make the transition into dignified employment or entrepreneurship.
Nigeria has an enormous access problem. South Africa faces serious inequalities in educational progression and opportunity despite much higher primary-school participation.
Different national realities. One economic lesson: a girl’s education is not a ceremonial social benefit. It is part of a country’s productive infrastructure.
The bridge between these crises is not that every African girl is being married off. It is that millions of girls across the continent still face barriers that prevent them from exercising their rights and building their capabilities.
The policy response must be specific enough to respect those differences and ambitious enough to confront their shared consequences.
The family decision that becomes a national liability
Here is the uncomfortable question: why does child marriage persist when its human costs are so well documented?
Because the decision often takes place at the level of a household, while many of its costs are transferred to society.
A struggling family may calculate that marrying a daughter will reduce the immediate cost of feeding, clothing, and educating her. In some communities, families may also be responding to insecurity, social pressure, fear of sexual violence, or beliefs about honour and respectability. These circumstances do not justify child marriage, but they help explain why moral condemnation alone has failed to eliminate it.
The household may see an immediate financial adjustment. The girl bears the consequences. The public health system may later absorb costs associated with early pregnancy and maternal complications. Schools lose students. Employers lose potential workers. Governments lose future tax revenue and productivity.
The distribution of these costs is profoundly unequal.
The person with the least power to decide may bear the greatest burden.
This is where the issue belongs in the economic debate. Not because a girl’s worth should be reduced to her future earnings, but because an economy that ignores the conditions under which its people develop is an economy that misunderstands its own foundations.
A child is not a household expense to be transferred to a husband.
A girl is not a budget line to be deleted when a family is poor.
And marriage is not an acceptable substitute for public policy.
What the government should do instead
Nigeria does not need another summit at which officials praise the girl child, pose for photographs, issue a communiqué, and return to business as usual.
It needs a funded, measurable national programme that treats child marriage prevention and girls’ education as linked priorities.
First, make the law real.
Nigeria must strengthen the consistent enforcement of protections against child marriage, align legal frameworks across jurisdictions, ensure that birth and marriage registration systems work, and provide accessible reporting and protection services. Federal and state authorities must resolve legal inconsistencies and make the minimum-age protections effective in practice, with due regard to constitutional and jurisdictional realities. Laws that exist only on paper do not protect girls.
Second, pay to keep girls in school.
Schooling must be affordable, safe, and accessible. For the poorest households, targeted cash transfers, scholarships, transport support, school meals, menstrual-health provisions, and emergency assistance can help remove the pressures that push girls out of education. Programmes should be designed around local evidence, with additional support for conflict-affected and rural communities.
Third, build a return route for girls who have already left.
A girl who is married, pregnant, parenting, displaced, or otherwise excluded must not be treated as a lost cause. Flexible learning, accelerated education, childcare support, vocational pathways, and opportunities to return to formal schooling can restore options that were previously denied.
Fourth, fund the community-level work that changes behaviour.
Traditional rulers, religious leaders, parents, teachers, health workers, youth organisations, and girls themselves must be involved in sustained prevention. The message must be clear: protecting a girl’s future is compatible with community values, family dignity, and economic security. The state should work with communities without surrendering a child’s rights to the preferences of adults.
Fifth, make the budget accountable.
Federal and state governments should publish annual, sex-disaggregated data on school attendance, retention, completion, child-marriage prevalence, birth registration, and protection-service coverage. Each participating state should publish a costed action plan, identify responsible agencies, and report actual spending and measurable results.
The question must change from, *“How much did we allocate to the girl child?” to, “How many girls did the money keep safe, learning, and able to shape their futures?”
Sixth, connect education to economic opportunity.
Girls need more than a school certificate. They need foundational literacy and numeracy, digital skills, technical and vocational education, access to finance where appropriate, and fair opportunities in the labour market. Governments should work with employers to create pathways from education into productive work, while protecting girls from exploitation.
Finally, evaluate what works.
Policies should be tested against transparent outcomes rather than political slogans. Independent evaluators, national statistical agencies, civil society, and girls’ organisations should help determine which interventions reduce early marriage, improve school completion, and expand economic opportunity, and which programmes merely consume money.
The policy principle is simple: protect the girl, remove the economic pressures that undermine her choices, and make government answerable for the results.
The radical proposal: a Girls’ Future Dividend
Nigeria should establish a Girls’ Future Dividend, a ring-fenced, publicly reported financing programme jointly supported by federal and state governments, with development partners and private-sector participation where appropriate.
This should not be another opaque fund, a political patronage scheme, or a new agency with an expensive headquarters.
It should be a results-based mechanism that directs resources to verified needs and publishes where every naira goes.
Its first priority should be communities with the greatest combination of school exclusion, child-marriage risk, poverty, and insecurity. Funding should support school access and retention, social protection for vulnerable families, safe transport, birth registration, legal assistance, community prevention, and second-chance education.
States should qualify for performance-linked funding by meeting independently verified standards, not by submitting the most impressive photographs or the most polished reports. Performance must account for local conditions so that the poorest or conflict-affected states are not punished for starting from a more difficult position.
A public dashboard should report allocations, releases, spending, school attendance, completion, and child-marriage indicators. Girls and local civil-society groups should have a formal role in monitoring delivery and reporting failures.
The programme should have a clear initial implementation period, independently evaluated results, and a route to expansion only where evidence demonstrates effectiveness.
And there should be a strict rule: no school access without a credible plan for school safety, retention, and learning; no programme funding without transparent reporting.
The purpose is not to place a price tag on girls. It is to stop treating their deprivation as financially invisible.
A serious government would measure the cost of failing its girls with the same discipline it applies to fuel subsidies, debt obligations, and major infrastructure projects.
If the state can establish elaborate mechanisms to manage the nation’s oil wealth, it can establish transparent mechanisms to protect the people who must eventually build an economy beyond oil.
The revolutionary demand: make the girl count
This is where the conversation must move beyond another International Day of the Girl Child.
We should demand that every Nigerian state publish a Girls’ Futures Ledger: an annual public account showing how many girls are out of school, how many return, how many complete secondary education, where child marriage remains prevalent, how much government spends to address these problems, and whether those investments produce results.
The ledger should be independently verified. Its indicators should inform budget decisions. Its findings should be debated publicly. Communities should be able to challenge inaccurate figures and expose programmes that exist only on paper.
Every local government should know where its out-of-school girls are concentrated and which barriers prevent them from attending. Every state should know whether its interventions are improving retention and completion. Every budget should make clear who is responsible for delivery.
And every girl who leaves school because of poverty, marriage, pregnancy, displacement, or insecurity should have a route back to learning and opportunity.
This is not a call to shame poor families. It is a call to stop leaving families alone with a burden that public policy can help reduce.
It is not a call to demonise cultures. It is a call to ensure that no custom, economic pressure, or political convenience erases a child’s rights.
It is not a call to make girls symbols in a national campaign. It is a call to let them become participants in the economy, authors of their lives, and decision-makers in the societies they will inherit.
The revolution begins when a girl’s future is no longer treated as a private matter beyond the reach of public accountability.
The final question nobody wants to answer
Nigeria has spent years debating how to stop the economy from bleeding.
We have debated subsidy removal, the cost of securing oil, the ownership of refineries, public offerings, agency scandals, borrowed money, and the difference between a country that is poor and a country that makes its people poor.
Those are important debates. But they share a question that rarely receives the same attention: what is the country doing to preserve and develop the capabilities of its people?
There is little point in celebrating the wealth beneath our soil while neglecting the potential growing inside our classrooms.
There is little point in demanding productivity from a future workforce while tolerating systems that push girls out of school.
There is little point in promising a demographic dividend while allowing poverty, insecurity, and harmful practices to determine the life chances of millions of children.
The child-bride crisis is not separate from the economy. It is one of the ways the economy’s deepest inequalities are reproduced.
The girl who never returns to school is not merely an education statistic. She is evidence of a public system that failed to keep an opportunity open.
The girl forced into marriage before adulthood is not merely a family story. She is evidence of a society that has allowed an adult decision to eclipse a child’s future.
And the state that counts its oil barrels more carefully than it counts the girls excluded from opportunity must explain what, exactly, it believes development is for.
On this International Day of the Girl Child, the demand should not be another promise to empower girls.
It should be an accounting.
Count the girls.
Fund their futures.
Publish the results.
Protect their choices.
Hold the institutions responsible.
Because Africa’s future will not be secured by demographic projections, mineral wealth, or grand speeches alone.
It will be secured by what we allow every child to become.
The most expensive resource a nation can waste is not the oil it fails to refine. It is the human potential it refuses to develop.
And if we continue to marry away that potential, we should stop pretending to be surprised when poverty refuses to leave.
(Jude Dike, PhD, writes the What Nobody Is Saying column on the political economy, public accountability, and the questions that shape Nigeria’s future.)
