The average click-through rate (CTR) on Facebook ads is half that of an average ad banner and about 8 times less than average CTR on the Google Display Network. In figures, average CTR on GDN is 0.4%, on the average ad banner in the USA it is 0.1%, while on Facebook it’s just 0.051%. These figures come at a time when, according to TBG, Facebook ad rates increased by 40% in the year to 2012-Q1.

PPC analytics company Wordstream has pulled together this info and much more on their latest infographic which compares the relative effectiveness of the Facebook and Google offerings.

Spoiler Alert: Google Display Network wins. Good data. Check it out here.