Answered By: Edward Bilodeau Last Updated: Oct 07, 2016 Views: 34
Start with Economist Intelligence Unit - Country Data.
SourceOECD (for OECD nations primarily)
If the above don't go back far enough, use the Datastream terminal in the Humanites/McLennan Library, second floor. Search by country in the Economics area.
See our quick video on how to use Datastream.