University of North Texas economist Michael Nieswiadomy has conducted several studies (in 1998, 2006, and 2008) derived from LSAC data. In the most recent study Nieswiadomy took the LSAC's categorization of test-takers into 162 majors and grouped these into 29 categories, finding the averages of each major [1]:
Mathematics/Physics160.0
Economics and Philosophy/theology (tie) 157.4
International relations 156.5
Engineering 156.2
Government/service 156.1
Chemistry 156.1
History 155.9
Interdisciplinary studies 155.5
Foreign languages 155.3
English 155.2
Biology/natural sciences 154.8
Arts 154.2
Computer science 154.0
Finance 153.4
Political science 153.1
Psychology 152.5
Liberal arts 152.4
Anthropology/geography 152.2
Accounting 151.7
Journalism 151.5
Sociology/social work 151.2
Marketing 150.8
Business management 149.7
Education 149.4
Business administration 149.1
Health professions 148.4
Pre-law 148.3
Criminal justice 146.0