In June 2025, EQUALITAS researchers Gustavo A. Marrero, Juan César Palomino and Dmitry Petrov, together with Clara Martínez-Toledano, launched the project “New Spain Wealth Atlas: Understanding Regional Wealth Inequality in Spain” in collaboration with the World Inequality Lab and EsadeEcPol.
This project aims to analyse wealth inequality in Spain by combining administrative fiscal data with household surveys and national accounts between 2016 and 2022.
For more information, the data can be accessed at https://spainwealthatlas.world/, the working paper can be found at https://wid.world/document/regional-wealth-inequality-in-spain-evidence-from-the-spain-wealth-atlas-world-inequality-lab-working-paper-2025-13/, and the policy report is available at https://www.esade.edu/ecpol/es/publicaciones/riqueza-espana-comunidades-autonomas/.