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An accelerated demographic transition: between inertia and inequality
In the early 1960s, Senegal was still a largely rural country with a population of just three million. Dakar, the capital, welcomed 400,000 souls, mainly concentrated on the Cape Verde peninsula.
Sixty years later, the country was transformed.
Its population is close to 18 million people, nearly 4 million of whom live in the Dakar region.
This impressive population growth, far from being an isolated phenomenon, is part of a continental trend that places Africa at the centre of the global population concerns of the twenty-first century.
In this context, Senegal illustrates a strategic dilemma: how to take advantage of a young and dynamic population, while controlling the social, economic and environmental risks involved in rapid growth?
For while population growth can be seen as a reservoir of human potential, it can also become a factor of fragility if public policies do not keep pace with this dynamic.
According to updated UN projections (World Population Prospects 2024), the population of Senegal will reach about 47 million inhabitants by 2100 in the median scenario.
This estimate could vary significantly, with a range of 33 million (Low projection) to 65 million (high projection), According to future trends in fertility rate, migration and public health policies.
These figures, though hypothetical, measure the challenge ahead. In less than a century, the country could multiply its population by two or three. Such a demographic transition, if not anticipated, can lead to lasting structural crises.
The fertility rate is the main driver of this development.
Currently estimated at 4.2 children per woman on averageIt hides significant disparities between rural and urban areas. In the countryside, the rate rises to more than 5,4, while urban, especially in Dakar, it descends to about 3,5in some neighbourhoods.
This differential reflects the effects of education, access to reproductive health services and the socio-economic environment on household behaviour.
The decline in the fertility rate over the decades reflects a slow transition to a smaller family model.
This is due to several factors: the increasing enrolment of girls, the development of family planning, and urbanization, which tends to make the burden of a large family costly and less sustainable.
However, this transition remains incomplete.
In many parts of the country, social norms, the enhancement of maternity, the persistence of polygamy and lack of access to contraceptives hinder this dynamic.
In a predominantly Muslim society, the debate on birth limitation remains delicate. It sometimes arouses religious or cultural resistance, and the taboos surrounding the issue of fertility make open and rational discussion difficult.
This collective silence is not without consequence. It prevents the identification of mechanisms by which demographics affect social organization, the economy, the environment and governance.
However, it is crucial to address this issue without passion or stigma, as the implications are profound.
Unchecked population growth, in a country with high unemployment rates and persistent inequalities, could increase poverty, weaken institutions and undermine long-term development prospects.
The case of Dakar is telling.
The city, which now accounts for nearly one fifth of the national population, suffers from uncontrolled urban sprawl, saturation of infrastructure, a glaring lack of affordable housing and constant pressure on basic services.
If this dynamic continues without regulation, other large Senegalese cities, such as Thiès, Saint-Louis or Ziguinchor, may in turn experience the harmful effects of anarchic urbanization.
Planning for urban development requires foresight, resources and a long-term vision that anticipates future transport, education, health and environmental needs.
This makes it necessary to reconsider the priorities. Demography cannot be treated as a simple secondary variable. It is at the heart of public policy.
A young population, if trained, employed and supervised, can bring growth, foster innovation and stimulate consumption. Conversely, if poorly integrated, it becomes a source of frustration, social instability and even conflict.
Beyond Senegalese borders, the phenomenon takes on a regional dimension. Niger, for example, has one of the highest fertility rates in the world, with more than seven children per woman. Its population, currently estimated at about 27 million, could reach 66 million by 2050.
Such a change leads to imbalances between neighbouring countries, with cascading effects on migration, natural resources and political balances.
Even if Senegal is able to stabilize its own population growth, it will have to deal with migration flows from regions where the demographic transition is still in the infancy.
In this context, demographic discourse should not be limited to findings. It must be accompanied by strategic reflection on the tools to be mobilised.
The first of them is education, especially for girls.
All international studies show that a higher level of education among women mechanically results in a reduction in the average number of children. This delays the age of marriage, improves economic autonomy and increases reproductive health choice.
But education is effective only if it is prolonged in time and supported by appropriate social policies. Early abandonment, forced marriage or teenage pregnancy are all obstacles to this virtuous dynamic.
Towards development under pressure: social, cultural and environmental challenges
One of the other essential levers in this fundamental reflection remains universal access to reproductive health. In Senegal, despite notable progress in large cities, a large section of the population — especially in rural areas — remains away from care centres or family planning facilities.
The supply of contraception is often insufficient, sometimes poorly understood, and regularly confronted with cultural or religious resistance.
However, birth decisions cannot be left solely to social dynamics or traditional instincts. They must be able to rely on informed information, medical support, and real freedom of choice for women and couples.
In many rural families, social pressure continues to exert a silent but powerful influence. The appreciation of the number of children as a sign of success or blessing remains anchored.
In polygamous contexts, in particular, where several women share the same husband, there is sometimes a form of implicit competition around fertility, seen as a means of securing its place or status in the family unit.
It is not a question of questioning traditional beliefs or structures, but of questioning their impact in a changing society faced with new economic, social and environmental balances.
At the economic level, rapid population growth is creating constant pressure on the labour market. The Senegalese productive fabric is already struggling to absorb every year the tens of thousands of young people who leave the education system, often without training or concrete opportunities.
The informal sector still accounts for a large part of the activity, with precarious, low-paid jobs and no real social protection.
In such a context, each additional child presents an additional challenge for families, but also for the State, which is called upon to provide services, infrastructure and support to an ever larger population.
Environmental challenges must also be considered. A population that doubles in a few decades increases mechanically the pressure on natural resources : arable land, forests, wetlands, freshwater reserves.
In some areas already faced with land degradation or salinization of agricultural land, the capacity to feed and sustain a growing population is becoming a critical issue.
While urbanization can reduce the per capita footprint, this urbanization needs to be planned, controlled and sustainable. However, urban expansion in Senegal too often follows spontaneous logics, without coordination between actors, without taking into account flood-prone areas, nor anticipation of road needs, sanitation or public services.
Yet there are inspiring examples.
Some countries, while facing similar challenges, have been able to accompany their demographic transition with bold and inclusive policies.
The Tunisia, for example, has invested very early in education and family planningThis has drastically reduced the fertility rate in a generation.
For its part, the Rwanda has put in place a decentralized community health policy, based on local health workers, which has improved access to care even in the most remote areas.
Senegal could draw on these experiences to adapt its own strategies, anchoring them in its cultural and institutional context.
It is also crucial not to isolate the demographic phenomenon from other public policies. Everything is connected.
A reform of education, if it does not take into account demographics, may soon be overtaken by the mass of pupils to be accommodated. An economic development plan that ignores the population growth curve will be faced with an impossible job pressure. Therefore, demographic data must be systematically integrated into medium- and long-term planning as one of the fundamental parameters of national development.
At this stage, a often neglected dimension of the debate must be addressed: that of perception. In public opinion, population growth is sometimes perceived as an intangible, almost natural data that cannot be questioned or directed.
Yet human societies have always shaped their demographic trajectories according to collective choices, beliefs, but also the political tools used.
Opening the debate does not mean questioning the foundations of a society, but rather allowing it to choose its future with clarity.
This debate must be inclusive, open to all sensitivities, respectful of religious beliefs but based on verifiable data.
There is no question here of imposing a unique vision of development, but of empowering every citizen, man or woman, to understand the stakes, to ask the right questions, and to participate in the answers.
Demography is not a problem to be solved, but a reality to be accompanied. To ignore is to expose oneself to crises; To embrace with discernment is to pave the way for balanced, resilient, and human-centred development.
Anticipating for transformation: governance, regional cooperation and intergenerational justice
From a broader perspective, it is imperative to take into account regional and international interactions that shape demographic dynamics. Senegal does not live in a vacuum. It shares borders with countries whose trajectories are sometimes even faster, such as Mali, Guinea, or Mauritania.
If one of them suffers from severe demographic instability, a collapse of his education or health system, or a major ecological crisis, it is likely that this will result in Migration to Senegal.
These flows, when poorly anticipated, can exacerbate social tensions, overload infrastructure and complicate local governance.
In the face of these cross-cutting challenges, regional cooperation appears to be an unavoidable response.
It is not just about harmonizing population policies, but also about pooling resources, exchanging good practices and building a shared vision for development in West Africa.
ECOWAS, as a regional organization, could play an enhanced role in coordinating these efforts, placing the population issue at the centre of its strategic priorities. Senegal's future is intrinsically linked to that of its neighbours, and any sustainable national strategy must be within a coherent subregional framework.
This also implies that transformation of planning tools national level.
The Senegalese State must have reliable, up-to-date and geographically accurate data to understand trends, identify areas of pressure and direct public investment. A 10-year census is no longer enough.
In the digital age, integrated territorial information systems, combining health, education, employment and mobility data, would enable a fine reading of local dynamics and rapid adaptation of public policies. It is also a way of bringing administration closer to the daily realities of citizens.
At the same time, it becomes crucial to redefine the economic model so that it better fits the current demographic structure. An economy centred on a few major urban centres, based on labour-intensive sectors, will not meet the demand for jobs for millions of young people who will enter the market in the coming decades.
The future lies in a inclusive productive diversification : development of intelligent agriculture, support for local entrepreneurship, digital transformation adapted to the territories, exploitation of creative industries. Every young person who finds a useful activity becomes a pillar of national development; Each untapped potential is a lost link in the chain of progress.
Institutionally, local and regional authorities must be strengthened.
They are often at the forefront of managing the effects of population growth, whether in urban planning, waste management, drinking water or access to education.
To give them more autonomy, resources and skills is also to make the bet on community governance, more agile and more responsive to people. The historical centralism of the Senegalese system is now reaching its limits.
An expanding population cannot be effectively administered from a single decision centre.
Finally, it should be recalled that the demographic issue is also a question of Intergenerational justice.
What do we transmit to those who come after us?
A country weakened by unaccepted choices, or a territory that has been able to anticipate, regulate, and equitably share its resources?
This ethical reflection is essential.
These are not just figures, curves or ratios. These are human lives, children who will be born tomorrow and who, like all of us, will have the right to a dignified life, to opportunities, to a future.
To educate a girl today is to avoid a vicious cycle of poverty tomorrow. To give access to contraception to a woman who wishes to do so is to allow her to choose her life, her rhythm, her project.
Train a young person and help start a businessIt is sowing the seeds of a stronger, fairer, more united Senegal.
These decisions are not random; They require political courage, social will and real investment in the long term.
Population growth is neither good nor bad in itself. It is a neutral, double-edged phenomenon that can both strengthen and exhaust a society.
It is the way it is governed, anticipated, accompanied, that determines its impact.
Today the warning signs are there: too rapid urbanization, underemployed youth, overstretched social services.
But opportunities also exist: a huge human potential, a young, creative, resilient society.
It is still time to make this demographic transition a force. It is still possible to transform mass into movement, explosion into momentum, number into power.
But this will not happen on its own. This will require collective awareness, shared vision, courageous decisions, and above all, confidence in Senegal's ability to write its future with lucidity and ambition.
