NationMaster makes available correlating tools on countries of the world

"NationMaster.com, the world's largest online statistical database for country comparisons, has announced free access to their correlation tools. This service allows the user to compare any two statistics (out of a database of over 5,700) in order to shed new light on information highly-useful to journalists, writers, professors and the general public. Correlations can therefore be used to inform debates on crime, politics, education, poverty and so on"