This paper is the first to compare global trends in income and wealth inequality this century. It is based on large income and wealth microdata samples designed to be representative of all countries in the world. Measured by the Gini coefficient, inequality between countries accounts for about...

Understanding wealth inequality has unique significance in South Africa. The coexistence of extreme poverty and extreme wealth is starkly visible. Apartheid-era inequality has persisted despite more than 20 years of democracy. Much of the research on inequality has focused on inequality of...

We introduce two separate datasets - the Global Consumption Dataset and the Global Income Dataset - containing an unprecedented portrait of consumption and income of persons over time, within and across countries, around the world. The benchmark version of the dataset presents estimates in...

This paper describes the gaps and limitations in the data available on urban populations for many low- and middle-income nations and how this limits the accuracy of international comparisons - for instance of levels of urbanization and of the size of city populations. It also discusses how the...

Over many past decades countries in sub-Saharan Africa have received extensive bilateral and multilateral aid in support of the production of relevant, timely, and good quality data and statistics. But assessing aid effectiveness in the statistical area is a complex matter. Many datasets are...

This paper presents version 4.0 of the CIT-IRP5 firm-level panel dataset. Version 4.0 is the latest edition of the firm-level component of the combined administrative data using sources from the South African Revenue Service. We show that differences in forms and vintages do generally not...

Economic, social, and political inequalities are at the forefront of today's public debate. While governments around the world have made conscious efforts to promote social inclusion, and major progress in fulfilling basic needs has been witnessed during the last decades, certain groups of...

A new methodology, Tracking Under-Reported Financial Flows (TUFF), allows us to systematically gather open-source information - e.g. news reports, case studies, project inventories from embassy websites, and grant and loan data published by recipient governments - about Chinese development...

Inequality and social exclusion receive considerable contemporary policy attention. In the field of international development, inequality - both vertical (between individuals and households) and horizontal (between groups) - is a core concern in the 2030 Agenda for Sustainable Development....

A considerable body of research suggests that horizontal inequality between ethnic groups has major socioeconomic implications, in particular for peace and economic development. Much of this work focuses on horizontal inequality as an independent causal variable, rather than an outcome of...