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World Inequality Report 2026 | Coming out soon

November 4, 2025 | WID.world

On December 10, 2025, the World Inequality Lab will release the 2026 World Inequality Report, offering the latest and most comprehensive analysis of global inequality

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Statement from the World Inequality Lab on the G20 Extraordinary Committee of Independent Experts’ Report on Global Inequality

November 4, 2025 | WID.world

The World Inequality Lab warmly welcomes the release of the G20 Extraordinary Committee of Independent Experts’ Report on Global Inequality, published today, November 4, 2025.

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Climate inequality report 2025 | Climate Change: A Capital Challenge, Why Climate Policy Must Tackle Ownership

October 28, 2025 | WID.world

The Climate Inequality Report 2025 reveals how wealth drives the climate crisis, and proposes new policy options to address it. It builds on the 2023

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Equality and Development: A Comparative & Historical Perspective 1800-2025

October 27, 2025 | WID.world

Understanding how inequality shapes economic development has long been a central question for economists, policymakers, and citizens alike. Does greater equality foster inclusiveness and productivity,

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Upward mobility is primarily driven by labor income but almost never by capital alone

October 6, 2025 | WID.world

Understanding the drivers of income mobility is a central question in economics, as individuals’ incomes come from both labor and capital sources. While factor shares

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Racial minorities in France face substantial earnings penalties

September 30, 2025 | WID.world

Due to the historical legacies of colonization and slavery, as well as more recent migration waves, Western societies have become increasingly diverse in terms of

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First global database of wealth accumulation covering 1800–2025 now available

September 11, 2025 | WID.world

The long-run evolution of wealth has been central to debates in economic history and macroeconomics, but until now evidence has been largely confined to Western

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Capital in the 21st Century, Ten Years Later

September 8, 2025 | WID.world

On the occasion of the tenth anniversary of Capital in the Twenty-First Century (2014) and the fifth anniversary of Capital and Ideology (2020), Thomas Piketty

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Thomas Piketty’s view on billionaire taxation and wealth redistribution

September 8, 2025 | WID.world

On 9 April 2025, Thomas Piketty was interviewed at the “Taxing Billionaires” conference. On this occasion, he shared his views on billionaire taxation and the

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Project management and web design: Pauline Bouaud, Mathieu Vicard and Anthony Wieczorek

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