The Great Leveler: Violence and the History of Inequality from the Stone Age to the Twenty-First Century

by Walter Scheidel,
The Huffington Post, March 1, 2017

Inequality is great and growing, in the United States and elsewhere. Americans in the highest one tenth of one percent income bracket increased their share almost six times since 1970. The wealthiest twenty Americans own about as much as the bottom half of American households. And the richest one percent of households throughout the world have more than half of global private net wealth.