Database
World Income Inequality Database - WIID, version 6 May 2020

Note | Newer version available. Go to WIID.

With this WIID version, observations reach the year 2018 and coverage is extended to 200 countries (including historical entities), with over 11,000 data points in total. There are now more than 3,600 unique country-year observations in the database. Read more about the observation composition here. 

Excel	Stata	User guide	Revision note
WIID.xlsx	WIID.zip	WIID User Guide.pdf	WIID Version Note.pdf

Please contact the WIID team for any questions about the database. We also encourage comments on this version and contributions of updated data points. The database will be updated and notifications and details about the updates will be given on the website. Some minor corrections can be done without a change in the database version. Please cite this database version (along with the version date 6 May 2020) as UNU-WIDER, World Income Inequality Database (WIID).