| Duke University Median Registered Time to Degree to Ph.D. for Students Entering in 1998-2003 (Years) | ||||||
| Duke | US median in 2006 | |||||
| HUMANITIES | 6.3 | 9.7 | ||||
| Art History | 8.2 | n/a | ||||
| Classical Studies | 5.7 | n/a | ||||
| English | 6.0 | 8.9 | ||||
| German Studies | 6.3 | n/a | ||||
| Literature | 6.7 | 8.9 | ||||
| Music | 6.0 | n/a | ||||
| Philosophy | 5.7 | n/a | ||||
| Religion | 5.7 | n/a | ||||
| Romance Studies | 7.5 | 9.7 | ||||
| SOCIAL SCIENCES | 5.7 | 7.9 | ||||
| Business | 5.3 | 9.2 | ||||
| Cultural Anthropology | 6.7 | 9.7 | ||||
| Economics | 4.7 | 7.2 | ||||
| History | 6.7 | 9.7 | ||||
| Political Science | 6.3 | 9.1 | ||||
| Psychology | 5.3 | 7.0 | ||||
| Sociology | 5.7 | 9.7 | ||||
| PHYSICAL SCIENCES | 5.7 | 6.7 | ||||
| Chemistry | 5.1 | 5.9 | ||||
| Computer Science | 6.0 | 7.7 | ||||
| Earth and Ocean Sciences(includes Geology) | 5.0 | 7.7 | ||||
| Environment | 5.3 | 7.7 | ||||
| Mathematics | 4.8 | 6.7 | ||||
| Physics | 5.8 | 6.8 | ||||
| Statistical Science | 4.7 | n/a | ||||
| ENGINEERING | 5.0 | 6.9 | ||||
| Biomedical Engineering | 5.7 | n/a | ||||
| Civil and Environmental Engineering | 4.8 | n/a | ||||
| Electrical and Computer Engineering | 4.7 | n/a | ||||
| Mechanical Engineering and Materials Science | 4.3 | n/a | ||||
| BIOLOGICAL SCIENCES | 5.7 | 7.0 | ||||
| Biochemistry | 5.7 | 6.3 | ||||
| Bioinformatics and Genome Technology | 0.0 | n/a | ||||
| Biological Anthropology and Anatomy | 6.3 | 9.7 | ||||
| Biology (includes Botany,Zoology) | 5.7 | n/a | ||||
| Cell Biology | 5.5 | n/a | ||||
| Ecology | 5.7 | n/a | ||||
| Genetics and Genomics | 5.7 | n/a | ||||
| Immunology | 5.3 | n/a | ||||
| Molecular Cancer Biology | 5.7 | n/a | ||||
| Molecular Genetics and Microbiology(Genetics Departments,Microbiology) | 5.3 | n/a | ||||
| Neurobiology | 6.0 | n/a | ||||
| Pathology | 4.6 | n/a | ||||
| Pharmacology | 5.7 | n/a | ||||
| Five-year cohort data posted: October, 2009 | ||||||