The SAHEL Region and Emerging Threats of Border Security in West Africa

The Sahel a semi-arid region in Africa formed a transitional zone between the Sahara desert to the North and the Savannah to the South. It stretches across West Africa and North Central Africa, extending from Senegal in West Africa to Sudan in the east. The Sahel acts as a cultural and ecological bridge between the desert and more fertile regions, facilitating trade and cultural exchange. The Sahel, sprawling across the heart of West Africa, stands as one of the most troubled frontiers on the continent, if not the world. The Sahel’s vast and porous borders have morphed into corridors for a host of transnational threats: armed insurgencies, illicit arms trafficking, organized crime, human trafficking, and the movement of extremist groups. Nations like Mali, Burkina Faso, Niger, and Nigeria find themselves battling on multiple fronts not just with non-state actors, but also with the structural weaknesses of their own border management systems. According to the 2025 Global Terrorism Index (GTI) published by the institute for Economics and Peace, the Sahel accounted for 19% of all terrorist attacks worldwide and 51% of Global Terrorism related Index deaths in 2024 up from 48% in 2023.

At the core of this crisis lies the rampant proliferation of small arms and light weapons (SALW). These weapons, often smuggled in from conflict zones like Libya and Sudan, circulate with alarming ease across under-policed borders, fueling violence and undermining state authority. With every rifle that crosses unchecked into a borderland village, trust in governance erodes, and communities are pushed further into cycles of fear, displacement, and despair.

WAANSA Nigeria, have witnessed firsthand how these dynamics manifest on the ground. Our work in border communities linking the Sahel reveals that insecurity is not just a product of militant activity; it is the outcome of years of institutional neglect, economic marginalization, and a lack of regional coordination.

A sustained military focused strategy in Sahel can excercebate instability and conflicts rather resolve it. While it may weaken terrorist groups and reclaim territory, it can also leads to civilian casualties. While kinetic responses may suppress symptoms, they rarely address root causes. What the Sahel requires is a multidimensional approach that will integrates intelligence-led border management, arms control protocols, and the empowerment of borderland populations.

Our recent research and field engagements suggest that community-based early warning systems, civil-military partnerships, and youth inclusion in peace-building are keys to reversing the tide. Equally critical is the harmonization of border policies across ECOWAS states, and the strengthening of regional arms embargo monitoring mechanisms. Revitalization of agriculture remains a mainstream in Sahel economy, providing employment for 80% – 90% of the population. Investing in agriculture targeting unmarred border areas can stimulate rural development with the capacity to improve overall living standard.

This crisis is not confined to Africa. The ripple effects of Sahelian insecurity extend to Europe through irregular migration and to the global stage. The global community, the African Union, ECOWAS, and international partners must treat border security in the Sahel not as a localized problem, but as part of the broader global peace and security agenda.

Border communities must be reimagined, not as peripheries of the state, but as frontline partners in peace. Investing in their security, livelihoods, and civic agency is not charity but a strategic necessity.

In conclusion, addressing the threats facing the Sahel’s borders demands urgency, innovation, and unwavering political will. It is only through regional cooperation, people-centered governance, and sustained arms control efforts that we can transform the Sahel from a battleground of insecurity into a zone of resilience, peace and sustainable development.

By George-Okoli Francisco Chidi, Director of Programs, West African Action Network on Small Arms (WAANSA) – Nigeria