The Global Terrorism Database (GTD) is an open-source database including information on terrorist events around the world from 1970 through 2010 (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 that have occurred during this time period and now includes more than 98,000 cases. Learn more
Unknown, Yemen
Mosul, Iraq
Four Decades of Terrorism: A Message from START’s Director
Our understanding of terrorism was forever transformed by the events of September 11, 2001. As we approach the 10th anniversary of those attacks, this new release of the Global Terrorism Database (GTD) marks a milestone in our collective knowledge of terrorist activity. For the first time, we have information spanning four decades on both domestic and international terrorist attacks from around the world.