Answer

The World Development Indicators (WDI) contains statistical data for over 800 development indicators from global economies, including social, economic, financial, natural resources and environmental indicators.

Go to the Business Library's Economic and Statistical Information section for links to useful resources including links to the following suggested resources below.  

World Development Indicators. Provides information from The World Bank, a cooperative, made up of member countries which provides social, economic and environmental statistics for all countries of the world dating from 1960 to present.  It is continually updated and new variables are frequently added.

You may want to consult the NYU guide on Economic Resources.