Key political and security trends likely to shape West Africa in 2026

West Africa enters the next year confronting a security and political landscape shaped less by isolated shocks than by the convergence of risks across borders, institutions, and conflict theatres. The events of 2025, which caused fragmentation within the region, paradoxically set the trend for interconnection that will define the outlook for 2026. Political instability, militant violence, and regional governance crises are no longer contained within discrete national arenas. They are merging into a shared risk environment that stretches from the central Sahel to coastal West Africa.

The attempted coup in Benin in December 2025 captured this shift with unusual clarity. Although the plot was foiled, its significance lies in its symbolism. Benin has long been viewed as one of the region’s more resilient democracies, insulated from the cycles of military intervention that have swept Mali, Burkina Faso, and Niger. The incident demonstrated that political risk is no longer confined to states with weak democratic credentials. Instead, it increasingly reflects elite fragmentation, security sector stress, and the spillover effects of regional instability.

Nowhere is this spillover more evident than along the Benin, Niger, and Nigeria borderlands. One of the most consequential developments shaping the outlook for 2026 is the consolidation of this tri-border zone as a new frontline in the wider Sahelian conflict. Throughout 2025, this area emerged as a strategic priority for both Sahelian and Nigerian militant groups, transforming it into a conflict hotspot with direct implications for coastal states.

Northern Benin experienced its deadliest year on record as Jama’at Nusrat al Islam wal Muslimin (JNIM) militants intensified cross-border operations from eastern Burkina Faso. In April, coordinated attacks culminated in the killing of more than 50 Beninese soldiers in Park W, a watershed moment that underscored the vulnerability of Benin’s northern security architecture. The 7 December coup plotters would later cite the perceived disregard for the lives of their fellow soldiers as a motive for the coup attempt in Benin. 

Soldiers of the Nigerian Army during an operation [PHOTO: X @HQNigerianArmy]

By midyear, JNIM had pushed further south into the Borgou department along the Nigerian border, extending its operational reach beyond Atacora and Alibori. In late October, the group claimed its first attack on Nigerian soil, signalling a deliberate expansion into a new theatre.

At the same time, the Islamic State Sahel Province reinforced its foothold in southwestern Niger, advancing closer to the border city of Gaya and sustaining pressure across the Niger-Nigeria frontier. In Sokoto and Kebbi states, ISSP continued attacks on villages, security posts, and military patrols, while also sabotaging critical infrastructure. By the end of 2025, both JNIM and ISSP had established a durable presence in northwestern and western Nigeria, eroding the long standing separation between Sahelian and Nigerian conflict zones.

This growing convergence marks a turning point. What were once distinct theatres are gradually merging into a single, interconnected conflict environment stretching from Mali through Niger and Burkina Faso into Benin and Northwestern Nigeria. The tri-border area between Benin, Niger and Nigeria is likely to become a central arena of competition in the year ahead, as multiple armed actors increasingly overlap. Alongside JNIM and ISSP, groups such as Ansaru, factions of the Islamic State West Africa Province, and organised bandit networks are now operating within shared spaces. As these actors interact, the risk is not only escalation, but the emergence of new alliances, rivalries, and patterns of violence that further complicate security responses.

While this southern expansion reshapes the Sahelian conflict map, military regimes in the central Sahel face mounting internal and external pressures. In 2025, Mali, Burkina Faso, and Niger moved further toward entrenched military rule through extended transition timelines, managed political dialogues, and constitutional revisions. The coming year will test whether these strategies generate even minimal legitimacy or deepen popular frustration. Fiscal strain, urban discontent, and the burden of protracted counterinsurgency campaigns are narrowing the margin for error.

Regional governance structures are also under strain. ECOWAS enters the next year weakened by its inability to reverse coups or enforce democratic norms, yet still indispensable as a platform for negotiation. Its response to the Alliance of Sahel States will be decisive. If ECOWAS fails to adapt from a sanctions driven posture to a pragmatic mediation role, it risks long term marginalisation. For businesses and investors, this uncertainty complicates assumptions around trade regimes, mobility, and regulatory coordination.

Economic pressures will continue to act as a force multiplier for instability. In 2025, subsidy reforms, debt servicing obligations, and IMF backed adjustment programmes triggered protests and labour unrest across several states. With inflation and unemployment remaining high, governments face increasing difficulty sustaining social bargains. Where economic grievances intersect with insecurity, particularly in border regions, the risk of rapid escalation grows.

Climate stress adds another layer of volatility. Flooding, heat stress, and food insecurity increasingly translate into displacement and communal tension, especially in areas already affected by militant violence. The credibility of climate adaptation efforts will depend less on commitments than on visible implementation.

Taken together, the outlook for West Africa in 2026 is defined by convergence. Political fragility, militant expansion, economic stress, and climate shocks are reinforcing one another across borders. The lesson of 2025, from the coup attempt in Benin to the transformation of the tri-border frontier, is that stability can no longer be assessed in isolation.