Holding answer received on 15 January 2015
The Higher Education Statistics Agency collects and publishes data on student enrolments at UK Higher Education Providers. Statistics on enrolments by mode, level and subject of study at UK Universities are published in Table 4 of their annual Statistical First Release, “Higher Education Student Enrolments and Qualifications obtained at Higher Education Providers in the United Kingdom”. The latest available statistics refer to the 2013/14 Academic Year and are available at the link:
The Government does not forecast the number of students studying particular subjects, as those numbers are dependent on decisions taken by individuals and universities.
The Higher Education Statistics Agency will publish statistics for the 2014/15 academic year in January 2016.