COUNTRY GRAPHS

Follow the evolution of inequality within countries with user-friendly graphs

The source for global inequality data

Leading methodology to track inequality

Reference data to track economic inequality at the global level, within countries and over time. Based on the systematic combination of national accounts, survey and fiscal data.

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Open-access information to feed public debates

Open access data, easy-to-use visualization tools and transparent methodology for researchers, civil society, business and political communities.

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International, independent and leading research

More than 100 top-level researchers involved, covering 70 countries over 5 continents. Entirely funded by public and non-profit actors.

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What is income inequality?

Latest News

New paper on simplified distributional national accounts (WID.world Working Paper 2019/01)
January 14, 2019 | WID.world

This new paper by Thomas Piketty, Emmanuel Saez and Gabriel Zucman proposes a simplified methodology to estimate income inequality by combining surveys, tax data and ... Continue reading

WID.world and World Inequality Lab Newsletter – November 2018
December 11, 2018 | WID.world
New paper and Stata command on correcting survey data using tax data (WID.world Working Paper 2018/12)
December 5, 2018 | WID.world

This new paper by Thomas Blanchet, Ignacio Flores and Marc Morgan introduces a new method to adjust household surveys using tax data. ... Continue reading

New paper on the evolution of income inequality in Thailand (WID.world Working Paper 2018/15)
November 29, 2018 | WID.world

This new paper by Thanasak Jenmana sheds new light on the dynamics of income inequality in Thailand between 2001 and 2016. Data series related to ... Continue reading

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