Integrated Inequality Database. User Guide and Data Sources
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This document describes the dataset that provides information on 201 economies by combining inequality and income statistics from four major sources: the UNU-WIDER World Income Inequality Database (WIID), Luxembourg Income Study (LIS), World Bank Poverty and Inequality Platform (PIP), and the Standardized World Income Inequality Database (SWIID). For each platform, this document reports the version used and provides direct links to the corresponding sources. We provide a brief overview of each underlying dataset to contextualize the conceptual and methodological differences that shape inequality estimates.