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The most popular Oregon State University undergraduate major is Computer Science. Business Administration and Management, General and Mechanical Engineering are other popular majors.
| Computer Science | 877 |
| Business Administration and Management, General | 382 |
| Mechanical Engineering | 325 |
| Psychology, General | 284 |
| Human Development and Family Studies, General | 208 |
| Kinesiology and Exercise Science | 201 |
| Biology/Biological Sciences, General | 191 |
| Health/Medical Preparatory Programs, Other | 149 |
| Finance, General | 142 |
| Civil Engineering, General | 126 |
| Environmental Science | 124 |
| Marketing/Marketing Management, General | 118 |
| Natural Resources Management and Policy | 118 |
| Public Health, General | 117 |
| Electrical and Electronics Engineering | 114 |
| Fishing and Fisheries Sciences and Management | 107 |
| Sociology | 89 |
| Biochemistry and Molecular Biology | 88 |
| Chemical Engineering | 78 |
| Construction Engineering | 77 |
| Manufacturing Engineering | 76 |
| Operations Management and Supervision | 69 |
| Political Science and Government, General | 69 |
| Agriculture, General | 68 |
| Digital Communication and Media/Multimedia | 68 |
| Accounting | 67 |
| Animal Sciences, General | 65 |
| Economics, General | 64 |
| Bioengineering and Biomedical Engineering | 61 |
| Mathematics, General | 61 |
| Interior Design | 58 |
| History, General | 56 |
| Liberal Arts and Sciences/Liberal Studies | 56 |
| Sustainability Studies | 56 |
| Zoology/Animal Biology | 56 |
| Education, General | 49 |
| Horticultural Science | 49 |
| Management Information Systems, General | 49 |
| Chemistry, General | 48 |
| Anthropology | 47 |
| English Language and Literature, General | 45 |
| Forest Engineering | 43 |
| Industrial Engineering | 41 |
| Foods, Nutrition, and Wellness Studies, General | 38 |
| Design and Visual Communications, General | 37 |
| Speech Communication and Rhetoric | 35 |
| Geological and Earth Sciences/Geosciences, Other | 34 |
| Microbiology, General | 29 |
| Food Science | 28 |
| Geography, Other | 27 |
| Agricultural Business and Management, General | 26 |
| Art/Art Studies, General | 25 |
| Nuclear Engineering | 24 |
| Agricultural Economics | 23 |
| Parks, Recreation and Leisure Studies | 21 |
| Spanish Language and Literature | 21 |
| Agricultural Engineering | 19 |
| Physics, General | 19 |
| Botany/Plant Biology, Other | 18 |
| Consumer Merchandising/Retailing Management | 18 |
| Architectural Engineering | 17 |
| Apparel and Textiles, General | 16 |
| Manufacturing Engineering | 15 |
| Philosophy | 15 |
| Business Administration and Management, General | 14 |
| Music, General | 14 |
| Environmental/Environmental Health Engineering | 13 |
| Elementary Education and Teaching | 12 |
| Engineering, Other | 12 |
| German Language and Literature | 12 |
| Women’s Studies | 12 |
| Agronomy and Crop Science | 9 |
| Biotechnology | 9 |
| French Language and Literature | 9 |
| Management Science | 9 |
| Social Sciences, General | 9 |
| Public Policy Analysis, General | 8 |
| Hospitality Administration/Management, General | 7 |
| Interior Design | 7 |
| Creative Writing | 6 |
| Design and Applied Arts, Other | 6 |
| Music Performance, General | 6 |
| Sociology | 5 |
| Ethnic, Cultural Minority, Gender, and Group Studies, Other | 4 |
| Health/Medical Physics | 4 |
| Human Development and Family Studies, General | 4 |
| Management Information Systems, General | 4 |
| Mathematics, General | 4 |
| Political Science and Government, General | 4 |
| Range Science and Management | 4 |
| Research and Development Management | 4 |
| Wood Science and Wood Products/Pulp and Paper Technology | 4 |
| Accounting | 3 |
| American/United States Studies/Civilization | 3 |
| Consumer Merchandising/Retailing Management | 3 |
| Finance, General | 3 |
| Geology/Earth Science, General | 3 |
| History, General | 3 |
| Industrial Engineering | 3 |
| Multi-/Interdisciplinary Studies, Other | 3 |
| Religion/Religious Studies | 3 |
| Biomathematics, Bioinformatics, and Computational Biology, Other | 2 |
| Creative Writing | 2 |
| Economics, General | 2 |
| Marketing/Marketing Management, General | 2 |
| Mechanical Engineering | 2 |
| Public Policy Analysis, General | 2 |
| Religion/Religious Studies | 2 |
| Agricultural Economics | 1 |
| Apparel and Textiles, General | 1 |
| Art/Art Studies, General | 1 |
| Biochemistry and Molecular Biology | 1 |
| Chemistry, General | 1 |
| Civil Engineering, General | 1 |
| Electrical and Electronics Engineering | 1 |
| Environmental Science | 1 |
| Environmental/Environmental Health Engineering | 1 |
| Horticultural Science | 1 |
| Liberal Arts and Sciences/Liberal Studies | 1 |
| Logistics, Materials, and Supply Chain Management | 1 |
| Natural Sciences | 1 |
| Physics, General | 1 |
| Psychology, General | 1 |
| Public Health, General | 1 |
| Speech Communication and Rhetoric | 1 |
The data on this website is sourced as public domain data from the most recent survey year of the National Center for Education Statistics’ College Navigator tool. That tool can be found at this link: https://nces.ed.gov/collegenavigator/. MyCollegeSelection encourages students to explore multiple resources as part of the research process in selecting the college of their dreams.