Lucas Chancel is an economist, specialized in inequality and in environmental policy. His work focuses on the measurement of economic inequality, its interactions with sustainable development and on the implementation of social and ecological policies.

Lucas is Co-Director of the World Inequality Lab at the Paris Scool of Economics (PSE) and Affiliate Professor at Sciences Po. He is also a an Associate Researcher at PSE and at the Institute for Sustainable Development and International Relations, as well as Senior Advisor at the European Tax Observatory.

[New] World Inequality Report 2022
L. Chancel, T. Piketty, E. Saez, G. Zucman, Harvard University Press, 2022

The World Inequality Report 2022 provides the most up-to-date data on global income and wealth inequalities and presents new findings on global gender and climate change inequalities.

“Read this report, shout out its messages, find ways to act upon them.” Esther Duflo and Abhijit Banerjee

Published in English by Harvard University Press, in French by Le Seuil. Available open access online.

More information [Release on 7 December 2021]

Unsustainable inequalities: social justice and the environment
L. Chancel, Harvard University Press, 2020

Selection of best books in economicsFinancial Times

Selection of best science booksNature magazine

“Essential” – Science magazine

“An original perspective on the two greatest challenges of our times” – Martin Wolf, Financial Times

“An absolute must read” – Thomas Piketty

More info

World Inequality Report 2018
F. Alvaredo, L. Chancel, T. Piketty, E. Saez, G. Zucman, Harvard University Press, 2018

Data and analysis on global income and wealth inequalities. Book published in 10 languages.

More information

Research / Publications
[New] Global Carbon Inequality 1990-2019
L. Chancel, WID.world Study and Working Paper, 2021
[New] Why is Europe More Equal than the US?
T. Blanchet, L. Chancel, A. Gethin, American Economic Journal: Applied Economics, forthcoming
[New] Global Income Inequality, 1820-2020: The Persistence and Mutation of Extreme Inequality
L. Chancel, T. Piketty, Journal of the European Economic Association, 2021, vol. 19, p. 3025–3062
Ten facts about inequality in advanced economies
L. Chancel, in 'Combating Inequality: Rethinking Government's Role', MIT Press, 2021 (eds. O. Blanchard, D. Rodrik)
Indian Income Inequality, 1922-2015: from British Raj to Billionaire Raj?
L. Chancel, T. Piketty, Review of Income and Wealth, 2019, vol. 65, p. 33-62
Global Inequality Dynamics: New Findings from WID.world
F. Alvaredo, L. Chancel, T. Piketty, E. Saez et G. Zucman. American Economic Review P&P, 2017, vol. 107 (5), p. 404-409
07/12/2021 - Paris School of Economics
World Inequality Conference

Presentation of the World Inequality Report 2022 at the World Inequality Conference. Full programme here.

04/2021 - IMF World Bank
Inequalities and tax justice

Conference at the World Bank IMF Spring Meetings.

8/10/2020 - London School of Economics
Unsustainable inequalities: book launch

Book launch of “Unsustainable Inequalities” (Harvard University Press, 2020) at the International Inequalities Institute of the London School of Economics. See here.

Interview in Le Monde

Interview in Le Monde on taxation, inequalities and social policies in a post-covid world, see here.

Op-Ed in the Guardian on climate change and inequality

Text available here.

Interview on France Inter – 8h20

Interview for the launch of the World Inequality Report 2022.

See the replay.