This figure, which represents an extra £160,000, is how much more the average UK graduate will earn over the course of their working life than their non graduate counterparts. At the same time, there are variations according to the subject studied (medicine graduates earn more extra cash than art graduates) and the age – graduates often earn similar amounts to non-graduates when they start their careers but the gap widens quickly with more experience.

Source: uk.biz.yahoo.com