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The WIID celebrates 20 years with a daring new planAfter 20 years of contributions to income inequality research, the World Income Inequality Database (the WIID) is getting a new expansion that will...
The World Income Inequality Database (WIID) presents information on income inequality for developed, developing, and transition countries. It provides the most comprehensive set of income inequality statistics available and can be downloaded for free.
The latest version of the WIID, released in May 2020, covers 200 countries (including historical entities), with over 11,000 data points in total. With the current version, the latest observations now reach the year 2018. The data can be downloaded here. WIID is also available in the interactive visualization tool.
Research focal point: Carlos Gradín
Database manager: Antti Pelanteri
Research Assistant: Anustup Kundu
Project assistant: Iina Kuuttila
Communications: Timothy Shipp
Download the latest version
WIID Explorer
After 20 years of contributions to income inequality research, the World Income Inequality Database (the WIID) is getting a new expansion that will...
The understanding of inequality requires the analysis of changes in income distributions across countries and over time as well as the identification...
Income inequality is the result of complex processes with multiple interacting driving forces but understanding those drivers in emerging economies is...
27 August 2014 Jukka Pirttilä and Tony Addison The last few months have seen major research activity in the area of inequality at UNU-WIDER. An update...
Theme: 2014-18, Inclusion