UNU-WIDER World Income Inequality Database (WIID)

The UNU/WIDER (United Nations University/World Institute for Development Economics Research) World Income Inequality Database (WIID) collects and stores information on income inequality in developed, developing, and transition countries. The full database can be downloaded and data can be retrieved, viewed and exported in an Excel spreadsheet format. 

Spatial Coverage: 
International
Documentation: 

User Guide and Data Sources documentation can be downloaded in Adobe PDF.

Format: 

MS Excel

Data Access: 

Freely available data on internet.