The Department fought off stiff competition from Cambridge and Salford in second and third place respectively to retain prime position for the subject, with an overall score of 100 – nearly nine points ahead of Cambridge.
Oxford was also named the best University overall in the UK, taking first place from last year’s prime-placed university St Andrew’s, which fell to second position.
The Guardian’s league tables rank institutions by subject, based on student satisfaction, staff numbers, spending and career prospects.