World income inequality database (WIID)
Title
World income inequality database (WIID)
Description
The UNU-WIDER World Income Inequality Database (WIID) collects and stores information on income inequality for developed, developing, and transition countries.
Creator
World Institute for Development Economics Research (UNU-WIDER)
Identifier
doi:10.5683/SP3/OMCHXB
Links
Collection
Statistics
Alternative Title
UNU-WIDER database
Terms of Use
This dataset is made available without information on how it can be used. You should communicate with the Contact(s) specified before use.
Data Type
Time series statistical tables
Notes
data files (MS Excel format) & accompanying documentation
Latest version (post-2008) - download from UNU-WIDER website: (https://www.wider.unu.edu/project/wiid-%E2%80%93-world-income-inequality-database)
Broad Topic
Social Sciences
Keywords
Economics and finance
Political Science
Time Period
1867-2008
Series
World income inequality database (WIID)
Citation
World Institute for Development Economics Research (UNU-WIDER), “World income inequality database (WIID),” MDL Data, accessed January 19, 2026, https://mdl-data.library.utoronto.ca/items/show/1527.