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Defining Terrorism

Data taken from the Global Terrorism Database, University of Maryland.

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Preferred Citation:
National Consortium for the Study of Terrorism and Responses to Terrorism (START), 2018 Global Terrorism Database [Data file] Retrieved from https://wwwstartumdedu/gtd; Erin Miller, START Background Report, Global Terrorism D... (read more)

National Consortium for the Study of Terrorism and Responses to Terrorism (START), 2018. Global Terrorism Database [Data file]. Retrieved from https://www.start.umd.edu/gtd; Erin Miller, START Background Report, Global Terrorism Database, University of Maryland, https://www.start.umd.edu/pubs/START_GTD_Overview2017_July2018.pdf.

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Transcription:
One definition of terrorism: The threatened or actual use of illegal force and violence by a non-state actor to attain a political, economic, religious, or social goal through fear, coercion, or intimidation In 2017, there were 1... (read more)

One definition of terrorism: The threatened or actual use of illegal force and violence by a non-state actor to attain a political, economic, religious, or social goal through fear, coercion, or intimidation.

In 2017, there were 10,900 terrorist attacks around the world, which killed more than 26,400 people…. More than half of all attacks took place in four countries: Iraq (23%), Afghanistan (13%), India (9%), and Pakistan (7%)….

Ten Most Active Perpetrator Groups Worldwide, 2017

Perpetrator Group
Number of Attacks
Islamic State of Iraq and the Levant (IS, ISIL, ISIS)
1,321
Taliban
907
Al-Shabaab
573
New People’s Army (NPA)
363
Boko Haram
337
Communist Party of India (Maoist)
317
Khorasan Province of the Islamic State
197
Kurdistan Workers’ Party (PKK)
159
Houthi extremists
158
Sinai Province of the Islamic State
117

In the United States in 2017, there were 65 terrorist attacks. In 15 of them, information about the perpetrator was not reported, so they are not included in the analysis.

Ten Most Active Perpetrator Groups in the US, 2017

Perpetrator Group
Number of Attacks
White extremists
9
Anti-Muslim extremists
7
Jihadi-inspired extremists
4
Anti-LGBT extremists
3
Anti-white extremists
3
Ku Klux Klan
3
White Rabbit 3 Percent Illinois
2
Anti-government extremists
2
Muslim extremists
2
(7 groups)
1

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