In a few countries, a quarter or more of Muslims say that these acts of violence are at least sometimes justified, including 40% in the Palestinian territories, 39% in Afghanistan, 29% in Egypt and 26% in Bangladesh.

More generally, Muslims mostly say that suicide bombings and other forms of violence against civilians in the name of Islam are rarely or never justified, including 92% in Indonesia and 91% in Iraq. In the United States, a 2011 survey found that 86% of Muslims say that such tactics are rarely or never justified. An additional 7% say suicide bombings are sometimes justified and 1% say they are often justified in these circumstances.