Freely Accessible Data
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Global Terrorism Database"The Global Terrorism Database (GTD) is an open-source database including information on terrorist events around the world from 1970 through 2015 (with annual updates planned for the future). Unlike many other event databases, the GTD includes systematic data on domestic as well as international terrorist incidents..."
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Integrated Network for Societal Conflict Research (INSCR)Has several sets of interest including:
-- Major Episodes of Political Violence, 1946-2015
-- High Casualty Terrorist Bombings, 1989-2016 -
Political Instability Task Force Worldwide Atrocities Dataset"a global dataset that describes, in quantitative terms, the deliberate killing of non-combatant civilians in the context of a wider political conflict." 1995-2016.
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RAND Database of Worldwide Terrorism IncidentsIncludes incident data for 1968-2009
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Suicide Attack DatabaseFrom the Chicago Project on Security and Terrorism (CPOST). Covers data from 11/1982 - 09/2018
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Uppsala Conflict Data ProgramA wide range of data on violence and peacemaking. From Uppsala University, Sweden. Click on the download icon on the left.
Data available to Penn State faculty and students
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ICPSR (Inter-university Consortium for Political and Social Research) This link opens in a new windowA large archive of data used by social scientist. Includes numerous data sets on terrorism and armed conflicts. Penn State users must register to download the data.
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Cross-national time-series data archiveIncludes a Domestic Conflict Event Data set updated to 2015. Includes: Assassinations,General Strikes, Guerrilla Warfare, Major Government Crises,Purges, Riots, Revolutions, Anti-government Demonstrations
Public Opinion Data
Polling data can measure the level of concern for terrorism. Data is available for both foreign countries and the U.S. Links with the open lock are freely available to anyone.
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Gallup surveys on TerrorismA range of reports from Gallup on U.S. attitudes to terrorism including toward specific incidents.
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Roper iPoll This link opens in a new windowallows you to search for polling questions across time and polling organizations