Progressive Taxation and Inequality: Minimum Taxation of High-Net-Worth Individuals in Latin America and the Caribbean
Tax policy is an essential instrument for reducing inequality. This report, commissioned by Brazil under the Presidency of the Regional Platform for Tax Cooperation in Latin America and the Caribbean (PTLAC) from the International Tax Observatory (ITO), analyses the progressivity of tax systems in Latin America and the Caribbean, with special emphasis on the limitations they face in taxing very high-net-worth individuals.
Our purpose
Our purpose
The International Tax Observatory conducts innovative research on taxation, contributes to a democratic and inclusive debate on the future of taxation, and fosters dialogue between the scientific community, civil society, and policymakers worldwide.
Recent publications
14.04.2026
Progressive Taxation and Inequality: Minimum Taxation of High-Net-Worth Individuals in Latin America and the Caribbean
This report, commissioned by Brazil under the PTLAC Presidency from the International Tax Observatory (ITO), analyses the progressivity of tax systems in Latin America and the Caribbean (LAC), with special emphasis on the limitations they face in taxing very high-net-worth individuals.
27.04.2026
Offshore Wealth and Uneven Transparency: Implications for Developing Countries
This research note builds on the updated offshore wealth series from the Atlas of the Offshore World to examine these regional asymmetries and their implications for domestic revenue mobilization.
07.04.2026
The Global Allocation of Extractive Windfalls
Oil, gas, and mineral extraction generates large economic rents, but it remains unclear how windfall profits are distributed across multinational enterprises. This WP addresses this by combining global firm-level financial data with detailed information on extraction activity at the affiliate level.
Our news
14.04.2026
New report examines how to tax large fortunes more effectively in Latin America
The study assesses seven countries and finds that a minimum tax of 2% on fortunes above US$100 million could raise around US$24 billion a year, and restore progressivity at the top.
05.02.2026
Press Release: Announcing the International Tax Observatory
We are thrilled to announce the launch of the International Tax Observatory (ITO) on February 5, 2026. The ITO will continue and expand the work of the EU Tax Observatory.
04.12.2025
Press Release: How profit shifting cuts into employee profit-sharing
Paris, December 4, 2025 - A new study by the European Tax Observatory, based on previously unpublished confidential data, shows that the 314 largest French multinationals shift more than €10 billion in profits out of France each year.
In the press
18.05.2026
PAgina 12
Inequality generates ultra-wealthy individuals
This initiative has gained prominence on the international distributive justice agenda and was the central topic of a recent debate among experts at the Faculty of Economics of the University of Buenos Aires (UBA), where the latest report of the International Tax Observatory was presented.
17.05.2026
El Economista
Taxing the super-rich would leave Mexico with an additional 173.3 billion pesos: experts
In an interview, French economist Quentin Parrinello recalled that the recent International Tax Observatory (ITO) report indicated that a minimum wealth tax of 2% could generate an additional $10 billion in annual revenue for the country.
15.05.2026
Le Nouvel Obs
Gabriel Zucman, the “Zorro of taxation”: “I did not come with an insatiable desire to tax billionaires”
Although the text was later rejected in the Senate, this “Zucman tax,” for which the economist is the main intellectual architect, has become a symbol of the fiscal justice defended by the entire left, from the Socialist Party to La France Insoumise.
Our Tools
To widen access to knowledge, the International Tax Observatory provides interactive tools, including a simulator of the tax deficit of multinational companies, and an explorer of country-by-country data on the activities of multinationals firms.
Our events
Paris School of Economics, Room R2.21 11.06.2026
The Law of Capitalism and How to Transform It
Join us for the fifth lecture in our Offshore Talks series with Katharina Pistor, who will present her book "The Law of Capitalism and How to Transform It".
Paris School of Economics, 48 Boulevard Jourdan 75014 04.06.2026
World Inequality Conference 2026
The World Inequality Lab is organizing the third edition of the World Inequality Conference, to be held at the Paris School of Economics on June 4-6, 2026.
Hybride 01.09.2025
2025-26 Lunch Seminar
Twice a month, the International Tax Observatory holds a seminar to discuss the challenges posed to national tax systems by the increased global mobility of capital and labour.
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