Most everyone who’s interested in global inequality has come across the famous elephant graph, originally developed by Branko Milanovic and Christoph Lakner using World Bank data. The graph charts the change in income that the world’s population have experienced over time, from the very poorest to the richest 1%.
We can update the elephant graph using the latest data from the World Inequality Database (WID), which covers the whole period from 1980 to 2016 using a method called “distributive national accounts”. Here’s what it looks like in real dollars (MER), developed in collaboration with Huzaifa Zoomkawala (click through for a series of interactive charts that Huzaifa has created):