World Income Inequality Database - WIID3.4
Note | Newer version available. Go to WIID4.
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The current revision ― WIID3.4 ― is an update of the third major revision of the database, WIID3. The current version includes observations for six additional countries, with the latest observations now reaching the year 2015. In total, the data cover 182 countries with 8,817 observations. Read more about the observation composition here.
The database will be updated and notifications and details on the updates will be given on the website. Some minor corrections can be done without a change of the database version. Please cite this database version as UNU-WIDER, ‘World Income Inequality Database (WIID3.4)’.
Please contact the database manager for any questions on the database. We also encourage comments on this revision and contributions of updated data points.