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.

› learn more

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.

› learn more

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.

› learn more

What is income inequality?

Latest News

New paper and inequality series on Russia
August 1, 2017 |

This new paper by F. Novokmet, T. Piketty and G. Zucman, “From Soviets to Oligarchs: Inequality and Property in Russia, 1905-2016”, Working Paper 2017/09 ... Continue reading

New income inequality series and paper for Cote d’Ivoire
July 6, 2017 |

HIGHLIGHTS: New data shows that the level of inequality in Cote d’Ivoire is substantially higher than previously thought. According to survey data, the top 1% income share ... Continue reading partners with the Commitment to Equity (CEQ) Institute
July 6, 2017 |

We are happy to announce that will partner with the CEQ Institute to produce Distributional National Accounts in a number of low and middle ... Continue reading

Fiscal income share series for the UK updated to 2014
July 5, 2017 |

The series of fiscal income shares for the United Kingdom have been extended to years 2013 and 2014 by Facundo Alvaredo (click here). As for all ... Continue reading

Subscribe to newsletter