| Subject | QS | THE | ARWU | U.S. News |
|---|---|---|---|---|
| Nursing | #10 | — | #101-150 | — |
| English Language & Literature | #19 | — | — | — |
| Pharmacy & Pharmacology | #28 | — | #201-300 | #310 |
| Biomedical Engineering | — | — | #36 | — |
| Arts & Humanities | #50 | #101-125 | — | #160 |
| History | #50 | — | — | — |
| Performing Arts | #51-100 | — | — | — |
| Theology & Religious Studies | #51-100 | — | — | — |
| Dentistry | #51-150 | — | #51-75 | — |
| Geography | #51-100 | — | — | — |
| Development Studies | #51-100 | — | — | — |
| Public Administration | #51-100 | — | — | — |
| Modern Languages | #53 | — | — | — |
| Accounting & Finance | #60 | — | #101-150 | — |
| Education | #66 | #126-150 | #301-400 | — |
| Economics & Econometrics | #127 | — | #101-150 | #71 |
| Law | #73 | #101-125 | #151-200 | — |
| Political Science & IR | #81 | — | #201-300 | — |
| Social Sciences & Management | #91 | #151-175 | — | — |
| Life Sciences & Medicine | #93 | #126-150 | — | — |
| Psychology | #96 | #126-150 | #151-200 | #93 |
| Medicine / Clinical | #95 | — | #151-200 | #145 |
| Archaeology | #101-150 | — | — | — |
| Philosophy | #101-150 | — | — | — |
| Artificial Intelligence | #101-200 | — | — | — |
| Civil Engineering | #101-150 | — | — | — |
| Anatomy & Physiology | #101-200 | — | — | — |
| Anthropology | #101-200 | — | — | — |
| Communication & Media | #101-150 | — | — | — |
| Sociology | #101-150 | — | #151-200 | — |
| Sports Science | #101-150 | — | — | — |
| Business & Economics | — | #101-125 | — | — |
| Clinical & Health | — | #101-125 | — | — |
| Chemistry | #109 | — | #401-500 | #304 |
| Materials Science | #109 | — | #201-300 | #243 |
| Computer Science | #121 | #201-250 | #201-300 | #425 |
| Electrical & Electronic Engineering | #124 | — | #301-400 | — |
| Biological Sciences | #127 | — | #151-200 | #143 |
| Physics & Astronomy | #128 | — | #401-500 | #244 |
| Business & Management | #134 | — | #201-300 | — |
| Mechanical & Aerospace Engineering | #139 | — | — | — |
| Engineering & Technology | #149 | #201-250 | — | #431 |
| Natural / Physical Sciences | #149 | #201-250 | — | — |
| Linguistics | #151-200 | — | — | — |
| Earth & Geosciences | #151-200 | — | #301-400 | #179 |
| Environmental Science | #151-200 | — | #151-200 | #420 |
| Telecommunication Engineering | — | — | #201-300 | — |
| Public Health | — | — | #301-400 | #207 |
| Mathematics | #251-300 | — | — | — |
| Statistics | #251-275 | — | — | — |
| Nanoscience & Nanotechnology | — | — | #301-400 | #292 |
| Energy Science & Engineering | — | — | #301-400 | — |
Trinity College Dublin ranks #75 in QS 2026, #173 in THE 2026, #201-300 in ARWU 2025 and #207 in U.S. News 2026. Its consensus position across the major rankings is #168 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.