| Subject | QS | THE | ARWU | U.S. News |
|---|---|---|---|---|
| Earth & Geosciences | #201-250 | — | #43 | #223 |
| Chemical Engineering | #97 | — | #51-75 | — |
| Hospitality & Tourism | — | — | #51-75 | — |
| Library & Information Science | — | — | #76-100 | — |
| Materials Science | #201-250 | — | #101-150 | #456 |
| Education | #301-350 | #176-200 | #101-150 | — |
| Chemistry | #351-400 | — | #101-150 | #125 |
| Sociology | — | — | #101-150 | — |
| Communication & Media | — | — | #101-150 | — |
| Accounting & Finance | — | — | #101-150 | — |
| Electrical & Electronic Engineering | — | — | #151-200 | #389 |
| Telecommunication Engineering | — | — | #151-200 | — |
| Law | — | — | #151-200 | — |
| Engineering & Technology | #501-550 | #176-200 | — | #489 |
| Computer Science | — | #251-300 | #201-300 | — |
| Civil Engineering | — | — | #201-300 | — |
| Water Resources | — | — | #201-300 | — |
| Biotechnology | — | — | #201-300 | #236 |
| Statistics | — | — | #201-300 | — |
| Political Science & IR | — | — | #201-300 | — |
| Psychology | — | #201-250 | #201-300 | #450 |
| Business & Management | — | — | #201-300 | — |
| Biological Sciences | #451-500 | — | — | #232 |
| Natural / Physical Sciences | #401-450 | #251-300 | — | — |
| Environmental Science | #351-400 | — | #301-400 | #366 |
| Mechanical & Aerospace Engineering | #501-575 | — | #301-400 | — |
| Economics & Econometrics | — | — | #301-400 | #374 |
| Life Sciences & Medicine | — | #301-400 | — | — |
| Public Health | — | — | — | #353 |
| Agriculture & Forestry | — | — | — | #365 |
| Nanoscience & Nanotechnology | — | — | — | #369 |
| Physics & Astronomy | #451-500 | — | #401-500 | — |
| Arts & Humanities | — | #401-500 | — | — |
| Social Sciences & Management | — | #401-500 | — | — |
| Mathematics | #451-500 | — | — | #412 |
| Business & Economics | — | #501-600 | — | — |
| Clinical & Health | — | #501-600 | — | — |
| Medicine / Clinical | #701-850 | — | — | — |
University of Delaware ranks #553 in QS 2026, #450 in THE 2026, #201-300 in ARWU 2025 and #455 in U.S. News 2026. Its consensus position across the major rankings is #373 globally.
QS weights employer reputation and international metrics more heavily; THE places more weight on research influence and teaching environment. Differences of this size between the two systems are common — see our methodology comparison.