Rad Data Climate Crisis Economic Inequality OECD Chart: Income inequality, Gini coefficient, 0 = complete equality; 1 = complete inequality, Annual, last 5 years War & Peace According to the Costs of War project at Brown University, over 929,000 people were “killed by direct war violence in Iraq, Afghanistan, Syria, Yemen, and Pakistan” during the 20-year “War on Terror”, including 387,000 civilians.