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: Get inequality data from Stata SSC package
June 16, 2017 | introduced a new tool to download data from the World Wealth and Income Database into the statistical analysis software Stata. With this new Stata command, ... Continue reading

New top income share series for Australia
May 16, 2017 |

Australian top fiscal income share series have just been updated to 2014 by Roger Wilkins. Top 10% income share reaches its highest level since 1950 (Click ... Continue reading

New paper on private property and inequality in China
April 19, 2017 |

This new paper by T. Piketty, L. Yang and G. Zucman, “Capital Accumulation, Private Property and Rising Inequality in China”, Working Paper 2017/06 combines ... Continue reading

New paper on income inequality dynamics in France
April 14, 2017 |

This new paper by B. Garbinti, J. Goupille-Lebret and T. Piketty, “Income Inequality in France 1900-2014: Evidence from Distributional Accounts”, Working Paper 2017/04, combines ... Continue reading

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