| Subject | QS | THE | ARWU | U.S. News |
|---|---|---|---|---|
| Petroleum Engineering | #51-100 | — | — | — |
| Library & Information Science | #51-100 | — | — | — |
| Economics & Econometrics | #63 | — | #101-150 | #252 |
| Law | #101-150 | #68 | — | — |
| Mathematics | #151-200 | — | #76-100 | #315 |
| Accounting & Finance | #93 | — | #151-200 | — |
| Artificial Intelligence | #101-200 | — | — | — |
| Telecommunication Engineering | — | — | #101-150 | — |
| Social Sciences & Management | #116 | #501-600 | — | — |
| Electrical & Electronic Engineering | #151-200 | — | — | #360 |
| Business & Management | #151-200 | — | #201-300 | — |
| Communication & Media | #151-200 | — | #151-200 | — |
| Political Science & IR | #151-200 | — | #151-200 | — |
| Statistics | #151-200 | — | #201-300 | — |
| Business & Economics | — | #176-200 | — | — |
| Computer Science | #194 | #501-600 | #401-500 | #361 |
| History | #201-250 | — | — | — |
| Mechanical & Aerospace Engineering | #201-250 | — | #201-300 | — |
| Geography | #201-250 | — | — | — |
| Sociology | #251-300 | — | #201-300 | — |
| Engineering & Technology | #243 | #601-800 | — | #492 |
| Materials Science | #301-350 | — | — | — |
| Arts & Humanities | #451-500 | #301-400 | — | — |
| Physics & Astronomy | #351-400 | — | — | — |
| Natural / Physical Sciences | #451-500 | #801-1000 | — | — |
| Medicine / Clinical | #651-700 | — | — | — |
Carlos III University of Madrid ranks #301 in QS 2026, #900 in THE 2026, #901-1000 in ARWU 2025 and #951 in U.S. News 2026. Its consensus position across the major rankings is #912 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.