The Institute for Economics and Peace, an independent, non-partisan, non-profit think tank with offices in Sydney, New York and Mexico City, ranked 162 countries in its 2015 Global Peace Index. The Index uses 23 indicators covering three broad themes: the level of safety and security in society, the extent of domestic and international conflict, and the degree of militarization.
Iceland received the best score. The United States scored well below the mid-point at position number 94. Many African countries did better. Countries in the Horn of Africa, however, all scored below the United States with Djibouti at 102, Ethiopia 119, Eritrea 127, Kenya 133, Sudan 156, Somalia 157, and South Sudan 159. Syria came in last place at 162.