Nov 14, 2025 · 500 economists and inequality experts from seventy countries support call for new ‘IPCC for inequality’ November 14, 2025 | WID.world

To ensure full transparency, we make available the full set of WID.world computer codes used to construct the database from both researchers’ data and official sources. These codes are …

The WID provides complete balance sheets (financial and non-financial) for the national economy as a whole and the different sectors of the economy. A detailed description of the concepts is …

WID – World Inequality Database Only countries for which we have detailed information on inequality can be included in this simulator. We are continuously working to extend this list.

Generally speaking, the World Inequality Database (WID.world) aims to provide open access to the most extensive available database on the historical evolution of the world distribution of …

Dec 7, 2021 · Wealth tax simulator: interface where users will be able to design a wealth tax by adjusting thresholds and tax rates, and eventually to measure the revenue generated and the …

Dec 10, 2025 · World Inequality Report 2026 – “Inequality persists at a very extreme level” The World Inequality Report 2026, edited by Lucas Chancel, Ricardo Gómez-Carrera, Rowaida …

For the purpose of long-run series, WID divides the world into 8 regions and 33 core territories (24 countries + 9 subregions). The core aggregate variables include total population, adult …

We collapse each individual billionaires by country of reference, and exclude those whose country cannot be matched to the WID data. We obtain a dataset with a number of billionaires and …

The data and analysis presented here are based on the work of more than 100 researchers over four years, located on all continents, contributing to the World Inequality Database …