This statistic shows the terrorist groups responsible for the most attacks between 2000 and 2014. Islamic State of Iraq and the Levant (ISIL) were responsible for 757 attacks. This equated to 12 percent of all coordinated terror attacks during that period. Boko Haram, an ISIL affiliated group, were responsible for 558 attacks.
Terrorist groups responsible for the most attacks, 2000-2014
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National Consortium for the Study of Terrorism and Responses to Terrorism. (November 16, 2015). Terrorist groups responsible for the most attacks, 2000-2014 [Graph]. In Statista. Retrieved March 08, 2025, from https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/
National Consortium for the Study of Terrorism and Responses to Terrorism. "Terrorist groups responsible for the most attacks, 2000-2014 ." Chart. November 16, 2015. Statista. Accessed March 08, 2025. https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/
National Consortium for the Study of Terrorism and Responses to Terrorism. (2015). Terrorist groups responsible for the most attacks, 2000-2014 . Statista. Statista Inc.. Accessed: March 08, 2025. https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/
National Consortium for the Study of Terrorism and Responses to Terrorism. "Terrorist Groups Responsible for The Most Attacks, 2000-2014 ." Statista, Statista Inc., 16 Nov 2015, https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/
National Consortium for the Study of Terrorism and Responses to Terrorism, Terrorist groups responsible for the most attacks, 2000-2014 Statista, https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/ (last visited March 08, 2025)
Terrorist groups responsible for the most attacks, 2000-2014 [Graph], National Consortium for the Study of Terrorism and Responses to Terrorism, November 16, 2015. [Online]. Available: https://www.statista.com/statistics/592630/terror-groups-most-attacks-2000-to-2014/