Perpetrators
Sunni extremists accounted for the greatest number of terrorist attacks and fatalities for the third consecutive year. More than 5,700 incidents were attributed to Sunni extremists, accounting for nearly 56 percent of all attacks and about 70 percent of all fatalities. Among this perpetrator group, al-Qa‘ida (AQ) and its affiliates were responsible for at least 688 attacks that resulted in almost 2,000 deaths, while the Taliban in Afghanistan and Pakistan conducted over 800 attacks that resulted in nearly 1, 900 deaths.
Secular, political, and anarchist groups were the next largest category of perpetrators, conducting 2,283 attacks with 1,926 fatalities, a drop of 5 percent and 9 percent, respectively, from 2010.