A consortium of researchers dedicated to improving the understanding of the human causes and consequences of terrorism

Global Terrorism Database (GTD)

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RESEARCH

SELECTED PUBLICATIONS   |   DATA VISUALIZATIONS   |   PRESENTATIONS   |   GTD IN THE NEWS ↗   |   GTD IN RESEARCH ↗

Global Terrorism Database Heat Maps

GTD heat maps show the geographic concentration and intensity of terrorist attacks that occurred worldwide that year. Intensity is calculated based on the number of people killed or injured in each attack.

2020 GTD Heat Map
GTD Heat Map 2020

2019 GTD Heat Map
GTD Heat Map 2019

2018 GTD Heat Map
GTD Heat Map 2018

2017 GTD Heat Map
GTD Heat Map 2017

2016 GTD Heat Map
GTD Heat Map 2016

2015 GTD Heat Map
GTD Heat Map 2015

2014 GTD Heat Map
GTD Heat Map 2014

2013 GTD Heat Map
GTD Heat Map 2013

2012 GTD Heat Map
GTD Heat Map 2012


A World of Terror

Periscopic, a data visualization firm that promotes information transparency and public awareness, has produced an innovative, interactive tool that allows users to explore the impact and dynamics of GTD perpetrator groups. A World of Terror examines the 25 perpetrators that were most active between 1970 and 2013, visualizing their attack patterns across multiple dimensions including life span, recency, casualties, and geographic spread.

A World of Terror