𝗧𝗵𝗼𝗺𝗮𝘀 𝗣𝗶𝗸𝗲𝘁𝘁𝘆 and 𝗞𝗶𝗺 𝗦𝘁𝗮𝗻𝗹𝗲𝘆 𝗥𝗼𝗯𝗶𝗻𝘀𝗼𝗻 in conversation at the World Inequality Conference 2026👇 Watch the full session on our YouTube channel: youtu.be/jY9iFdWSbd0?...
Thomas Piketty
@thomaspiketty.bsky.social
Professor at EHESS & PSE Co-Director, World Inequality Lab inequalitylab.world | WID.world http://piketty.pse.ens.fr/
The problem is not too little growth, but the wrong kind. What matters is not how much we grow, but what we grow — and for whom. Our response in @financialtimes.com to @jburnmurdoch.ft.com Bottom line: economic and climate justice require rethinking growth, not necessarily abandoning it.
🟣 Videos from the plenary sessions at the 2026 World Inequality Conference are now available online! Watch them now ▶️ globaljusticeproject.wid.world/video/
Pour clarifier ses positions et unir ses forces, la gauche doit proposer l’adoption par référendum d’un impôt de solidarité nationale pesant sur les milliardaires et centimillionaires thomaspiketty.wordpress.com/2026/06/23/u...
Un référendum pour un nouveau modèle de développement
La France va faire des choix politiques décisifs dans l’année qui vient. D’un côté, une droite nationaliste en plein essor, de plus en plus proche des milieux d’affaires, et qui entend arriver au p…
thomaspiketty.wordpress.com
If you missed it, read @theguardian.com extensive coverage of our new #GlobalJusticeReport. You may want to start with this excellent piece by @jonathan-watts.bsky.social More in thread 🧵 👇 www.theguardian.com/environment/...
‘An equal and habitable world is possible’: academics set out sweeping vision for planetary survival
Global report provides an alternative to climate breakdown, political extremism and economic tensions
theguardian.com
I am among the more than 350 signatories who have put their names to support the “roadmap for eradicating poverty beyond growth”. Read the opinion piece: www.theguardian.com/commentisfre...
We economists have done the maths: ‘growth’ is a doomed strategy – there is a better way | Olivier De Schutter and others
Our roadmap has been shaped by experts across the world. We call on political leaders at all levels to use it, says Olivier De Schutter and others
theguardian.com
What would it take to achieve high prosperity and equality while remaining within planetary boundaries? The World Inequality Lab is very excited to launch the #GlobalJusticeReport. [1/7]
Outsourced workers in low-skilled service jobs (cleaning, catering, security) in 🇫🇷 face a substantial earnings penalty—about 10 log points—persisting for up to 7 years after outsourcing, find @ulojkine.bsky.social & @oliviergodechot.bsky.social in new study. More findings▶️ wid.world/news-article...
Cutting hours through outsourcing - WID - World Inequality Database
Cutting hours through outsourcing Olivier Godechot and Ulysse Lojkine study the effects of on-site outsourcing of low-skilled service jobs (cleaning, catering, security) in France.
wid.world
📝New study by @nitin-k-bharti.bsky.social D. Blakeslee, & S. Malik shows that land inequality in rural India is extremely high: 👉The top 10% own 44% of land area 👉Historical institutions and the caste system also leave persistent effects on land distribution More findings ▶️ wid.world/news-article...
Land Inequality in India: Nature, History, and Markets - WID - World Inequality Database
Land Inequality in India: Nature, History, and Markets In this paper, Nitin Kumar Bharti, David Blakeslee, and Samreen Malik study how agricultural suitability, historical institutions, and market acc...
wid.world
Peru 🇵🇪 has developed one of the most regressive tax systems in the world, characterized by low top marginal rates on income and inheritance and a limited capacity for redistribution. This is one of the key findings of @ccastgr.bsky.social's paper ▶️ wid.world/news-article... Spanish coverage ⬇️🧵
Conflicting Claims and Taxation: A Distributive History of 20th Century Peru - WID - World Inequality Database
César Castillo-García reconstructs Peru’s factor income shares and macroeconomic aggregates from 1942 to 2022 using the Distributional National Accounts (DINA) methodology and historical national acco...
wid.world
The Global Democratic Deficit: Undemocratic international institutions favor powerful countries—they secure power in the international system at a very cheap cost and chose who benefits from aid 🧵A thread on a NEW STUDY written with @PaulaDruschke 1/6 wid.world/news-article...
The Global Democratic Deficit: Undemocratic international institutions favor powerful countries—and shape who pays and who benefits - WID - World Inequality Database
The Global Democratic Deficit: Undemocratic international institutions favor powerful countries—and shape who pays and who benefits Paula Druschke and Gastón Nievas construct a novel historical databa...
wid.world
New on @wid.world: @gatonievas.bsky.social & P. Druschke find that 70% of World Bank and IMF funds are allocated to G7 geopolitically aligned countries. Rich countries pretend to be in favour of democracy but in practice they've built an undemocratic international system. wid.world/news-article...
The Global Democratic Deficit: Undemocratic international institutions favor powerful countries—and shape who pays and who benefits - WID - World Inequality Database
The Global Democratic Deficit: Undemocratic international institutions favor powerful countries—and shape who pays and who benefits Paula Druschke and Gastón Nievas construct a novel historical databa...
wid.world
𝐖𝐡𝐨 𝐫𝐞𝐚𝐥𝐥𝐲 𝐛𝐞𝐧𝐞𝐟𝐢𝐭𝐬 𝐟𝐫𝐨𝐦 𝐭𝐚𝐱 𝐛𝐫𝐞𝐚𝐤𝐬 𝐨𝐧 𝐩𝐨𝐥𝐢𝐭𝐢𝐜𝐚𝐥 𝐝𝐨𝐧𝐚𝐭𝐢𝐨𝐧𝐬? New research by Julia Cagé, @mgn89.bsky.social and Yuchen Huang suggests these can act as a windfall for a small group of donors, with no effect on participation or amounts given wid.world/news-article...
Should Charitable and Political Donations Benefit from Similar Tax Treatments? Evidence from a Survey Experiment - WID - World Inequality Database
Should Charitable and Political Donations Benefit from Similar Tax Treatments? Evidence from a Survey Experiment In this paper, Julia Cagé, Malka Guillot, and Yuchen Huang study how tax incentives aff...
wid.world
New working paper on @wid.world Bottom line: Had mining prices followed fuel prices over 1970–2025, Sub-Saharan Africa would own the world. Bargaining power and institutions matter.
Who benefits from global trade? New research by Simon Keller shows how commodity prices shape global wealth inequality: if mining exporters had raised prices like oil producers, Sub-Saharan Africa could hold foreign wealth of +1400% of GDP instead of –43%❗ Read more 🔗 wid.world/news-article...
"The militaristic drift of the United States resonates above all as a terrible admission of weakness in the face of the financial, commercial and political fragility of the country." My opinion piece in @lemonde.fr thomaspiketty.wordpress.com/2026/03/10/m...
Militaristic drift, admission of weakness
Let’s spell it out directly: The militaristic drift of the United States that we are witnessing with the war in Iran resonates above all as a terrible admission of weakness. American elites h…
thomaspiketty.wordpress.com
Quand la France invente la ségrégation extrême, financée par l'argent public: la part des enfants de 6e scolarisés dans le privé atteint 39% à Paris en 2025, avec des écarts hallucinants entre classes sociales www.lemonde.fr/societe/arti...
Avec la baisse du nombre d’enfants, le privé pourrait représenter la moitié des élèves parisiens de 6ᵉ en 2035
Une étude de l’Institut des politiques publiques, menée par les chercheurs Pauline Charousset et Julien Grenet, alerte sur les évolutions en cours, notamment dans la capitale. Elle pose le risque d’un...
lemonde.fr
🏫 Baisse démographique et dynamiques public-privé : vers une ségrégation scolaire accrue dans les grandes villes ? ✒️ Note IPP n°124 par Julien Grenet et Pauline Charousset ▶️ Lire la note : www.ipp.eu/publication/...
New working paper: Prosperity within Limits? Planetary Habitability, Global Convergence & Structural Transformation 2026-2100 wid.world/news-article... More to come in the Global Justice Report to be released at the World Inequality Conference Paris June 4-6 2026 inequalitylab.world/en/event/wor...
📝New research by @billywoom.bsky.social and @doniakamel.bsky.social uncovers how skin tone shapes player recognition in professional #football — even when performance is identical⚽️ These biases translate into lower market valuations for darker-skinned players. Read more ▶️ wid.world/news-article...
Skin Tone Penalties: Quasi-Experimental Evidence on Colorism in Football - WID - World Inequality Database
This paper studies skin tone discrimination in men’s professional football by comparing shots that narrowly score with those that narrowly miss the goal.
wid.world
To win the cultural and intellectual battle, Europe must now assert its values and defend its model of development, fundamentally opposed to the nationalist-extractivist model of Trump and Putin thomaspiketty.wordpress.com/2026/02/03/e...
Europe, a social-democratic power
To assert itself on the world stage, Europe first has to take pride in what it has become since 1945: a democratic, social and transnational power. European countries, which had long been fierce ri…
thomaspiketty.wordpress.com
2025 highlights: ✨ Inequality placed on the agenda of the 𝗚𝟮𝟬 𝘀𝘂𝗺𝗺𝗶𝘁 ✨2025 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗜𝗻𝗲𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗥𝗲𝗽𝗼𝗿𝘁 published in October ✨2026 𝗪𝗼𝗿𝗹𝗱 𝗜𝗻𝗲𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝗥𝗲𝗽𝗼𝗿𝘁 published in December ✨27 Working Papers authored by 78 researchers ...and more! 📖 Flip through our report heyzine.com/flip-book/22...
To make the most of the World Inequality Database, consult the DINA Guidelines and other resources: wid.world/methodology/ This 3rd edition includes improved or new: 🔹macro aggregates 🔹income and wealth definitions 🔹data-quality flags 🔹sections on wealth distribution and gender inequality
Un débat essentiel pour reprendre la main sur l’énergie ⚡ 🗣️ Avec @lucaschancel.bsky.social et Anne Debrégeas 🎙️Animé par @jadelindgaard.bsky.social 📅 Jeudi 29 janvier, 19h Entrée libre. Inscription conseillée ▶️ inequalitylab.world/fr/event/a-l... @attac.org
Le décrochage européen est plus une histoire de ralentissement que de point de non retour. La suite dans ma tribune @lemonde.fr fondée sur nos travaux du @wid.world où nous discutons tendances historiques avec R. Loubes, @thomaspiketty.bsky.social et A.-S. Robillard: www.lemonde.fr/idees/articl...
How do people argue for redistribution in Norway 🇳🇴 vs the U.S. 🇺🇸? Do debates lean more on emotional fairness arguments or analytical externality arguments? And what type of argument convinces who? New study by @mortenstostad.bsky.social, M. Lobeck & C. de Meulenaer ▶️ wid.world/news-article...
Mapping The Redistributive Debates In Norway And The United States - WID - World Inequality Database
Mapping The Redistributive Debates In Norway And The United States This paper studies pro-redistributive arguments in legislative debates in the U.S. Congress and the Norwegian Storting from 2015 to 2...
wid.world
New EQUALS episode is out ft @thomaspiketty.bsky.social Financial flows to north from south now exceed 1% of global GDP — more than all development aid. Piketty explains how debt & reserve currencies favor the North and what could actually change it. 🎧 Tune in: www.equals.ink/p/the-great-...
To better understand what made the Trump shock possible, and how to confront it in the future, we must turn to its roots, namely, to Project 2025 thomaspiketty.wordpress.com/2025/12/16/p...
Project 2025, from nightmare to reality
The year 2025 was marked by the Trump shock: an unprecedented wave of extreme brutality, unapologetic nationalism, and unrestrained extractivism that shook the world as never before since 1945. To …
thomaspiketty.wordpress.com
Today, we are publishing our World Inequality Report, which reviews the most recent #inequalitydata and exposes the magnitude of #inequality across time, space and all its dimensions. 👇Share this thread, share the report! www.youtube.com/watch?v=R67u...
World Inequality Report 2026
YouTube video by World Inequality Lab
youtube.com
📰 En Une du @lemonde.fr aujourd'hui : "L'extrême concentration des richesses mondiales" 3 article à lire pour découvrir en avant-première Le Rapport sur les inégalités mondiales 2026 www.lemonde.fr/economie/art...
South Africa remains the most unequal country in the world, with the top 10% earning 70% of all pretax income. New study by A. Gethin & L. Czajka shows that inequality in 2019 was as high as in 1993. Racial inequality reduced only because top 10% Black incomes surged. ▶️ wid.world/news-article...
Racial Inequality and Redistribution in Post-Apartheid South Africa - WID - World Inequality Database
Racial Inequality and Redistribution in Post-Apartheid South Africa The source for global inequality data. Open access, high quality wealth and income inequality data developed by an international aca...
wid.world
🟢 Climate change hits the poorest the hardest shows *Chapter 2.1 of the 2025 #ClimateInequality Report* ⚠️The bottom 50% wil bear ¾ of all income losses from climate change by 2050. Read more in the report 🔗 wid.world/news-article...