The article presents an overview of the international scientific conference "The Global Knowledge of Economic Inequality. The Measurement of Income and Wealth Distribution since 1945", which took place on November 15 to 17, 2018, at the German Historical Institute London (United Kingdom). The conference was dedicated to the state and to prospects of research into the problems of economic inequality in the world. The main attention of the conference participants was focused on issues of the welfare state, economic inequality, its measurement, income, wealth, and poverty in various perspectives. More than 30 people made presentations in English and in discussions, including scientists from the UK, China, Russia, the USA, Germany, France and other countries.