Terrorism in Southeast Asia has declined considerably as both Al-Qaeda (AQ) and the Islamic State (IS)-aligned jihadist groups are struggling under persistent counterterrorism pressure from regional states. In July, Jemaah Islamiyah, a Southeast Asian jihadist group linked to AQ, announced it would disband and move away from violence after twenty years. Enhanced regional cooperation among security institutions, improved intelligence sharing, and a balanced focus on kinetic and non-kinetic responses to violent extremism have suppressed the threat levels. External factors like the decline ...