The QS World University Rankings by Subject 2018 feature two new subjects this year, meaning the rankings now cover a total of 48 disciplines ñ highlighting the worldís top-performing universities in each academic area. The two new subjects are Classics & Ancient History, and Library & Information Management.

The QS World University Rankings by Subject are compiled annually to help prospective students identify the leading universities in a particular subject. Research citations, along with the results of major global surveys of employers and academics are used to rank universities. More information about this yearís methodology is available.

All 48 tables included in this yearís QS World University Rankings by Subject can be accessed by clicking the links below. They are also available via the free QS World University Rankings app, available for iPhone and Android.