World Bank Data

stevefarr

http://data.worldbank.org/

 

Hundreds of databases ssortable by topic or country.

Excel or XML formats, or API

 

Of course this is also available, with a host of other data sets through the RapidMIner Economics Extention. 

https://marketplace.rapidminer.com/UpdateServer/faces/product_details.xhtml?productId=rmx_quantx1