The World Inequality Database (WID) is an open-access database of the world’s historical and current distribution of wealth and incomes within and between countries. It’s goal is to offer high quality data on issues of economic inequality and at the same time promote democratic transparency. More than 100 researchers from 70 countries contribute to this resource which is coordinated by an executive committee of five codirectors from the Paris School of Economics and the University of California Berkeley. Academics in many disciplines will find this useful because it offers visual representation of data on key indicators regarding inequality.