Since the Taliban takeover of Afghanistan (2021), Afghanistan’s security landscape has undergone a structural shift from fragmented insurgency to a more consolidated and systematized militant network. The return of Taliban rule has not ended instability; it has reconfigured how violence, ideology and transnational actors operate.

Afghanistan is no longer a fractured battlefield but a compressed security space where terrorist groups, foreign fighters, ideological extremism and illicit economies function within a mutually reinforcing structure. Rather than dismantling militant infrastructures, post-2021 governance has enabled their persistence, blurring the line between ideological production and operational capacity. United Nations assessments indicate the presence of more than twenty international terrorist groups, with up to 13,000 foreign fighters and an estimated 20,000-23,000 militants overall, including Al-Qaeda, Tehrik-i-Taliban Pakistan, ISIL-K and East Turkestan Islamic Movement operating with sanctuary, mobility and coordination space.

Pakistan, by contrast, acts as a containment line absorbing pressure and limiting spillover. Yet this pressure is rising and increasingly crossing borders. The instability stems not from the Afghan population, but from a political order that integrates ideological enforcement, economic fragility and transnational militancy into a coherent system. This is not fragmentation but convergence turning Afghanistan into a platform for transnational militancy, reinforced by persistent denial of safe havens and weak diplomatic engagement that have allowed these networks to consolidate rather than fragment.

Pakistan on the Frontline

The Global Terrorism Index 2026 reinforces a critical shift in regional security dynamics: Afghanistan has re-emerged as the epicentre of terrorism spillover following the Taliban’s return to power in 2021. The current environment has enabled the re-establishment of safe havens for multiple terrorist groups, creating conditions that have intensified cross-border violence,........

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