Complutense University of Madrid (UCM)
Universidad Complutense de Madrid (UCM)
Spain
Time frame: 1 May 2025 - 30 April 2026Profile
The Nature Index tracks primary research articles from 178 applied, health, natural and social sciences journals, across many different publishers, chosen by an independent group of researchers. The Nature Index provides absolute Count of primary research articles and fractional Share counts of author contribution to articles. The positions in the table below reflect Complutense University of Madrid (UCM)'s position overall, domestically, within their sector, and in various subject areas based on their Share. Each position links to the corresponding table where Complutense University of Madrid (UCM) is listed.
Position by research output Share
Position by research output Share in subject areas
Research
Complutense University of Madrid (UCM) has the following research output in the current window (1 May 2025 - 30 April 2026) of the Nature Index. Click on Count to view a list of articles representing the corresponding Share value.
Overall research output
| Count | Share | |
|---|---|---|
| Overall | 381 | 60.44 |
Overall Count and Share for 'Complutense University of Madrid (UCM)' based on the 12-month time frame mentioned above.
Research outputs by subject area
| Subject | Count | Share |
|---|---|---|
| Applied sciences | 26 | 6.10 |
| Biological sciences | 36 | 6.42 |
| Chemistry | 79 | 12.90 |
| Earth & environmental sciences | 17 | 3.72 |
| Health sciences | 135 | 8.49 |
| Physical sciences | 81 | 22.33 |
| Social sciences | 7 | 0.50 |
Note: Hover over the donut graph to view the Share for each subject.
Leading research topics
| Topics | Count | Share |
|---|---|---|
| Particle and High Energy Physics | 35 | 11.22 |
| Quantum Physics | 12 | 4.85 |
| Organic Chemistry | 22 | 4.42 |
| Astronomical Sciences | 22 | 4.22 |
| Macromolecular and Materials Chemistry | 20 | 3.47 |
| Physical Chemistry | 28 | 3.03 |
| Ecology | 5 | 2.26 |
| Medical Biotechnology | 5 | 1.63 |
Share output for the past 5 years
| Subject area or journal group | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Overall | 34 | 33 | 41 | 56 | 62 |
| Applied sciences | 4 | 2 | 3 | 5 | 7 |
| Health sciences | 3 | 6 | 7 | 9 | 9 |
| Natural sciences | 25 | 25 | 32 | 39 | 44 |
| Biological sciences | 3 | 2 | 2 | 6 | 6 |
| Chemistry | 9 | 6 | 9 | 13 | 12 |
| Earth & environmental sciences | 2 | 3 | 2 | 6 | 3 |
| Physical sciences | 11 | 13 | 17 | 14 | 23 |
| Social sciences | 2 | 0 | 0 | 2 | 2 |
| Nature & Science | 1 | 0 | 1 | 1 | 1 |
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Collaboration
Nature Index collaborations highlight fruitful collaborations that lead to high quality research around the world. A collaboration can be between any two institutions or locations co-authoring at least one article in the journals tracked by the Nature Index. The collaboration score between two institutions is the sum of each of their Shares on the papers to which both have contributed. The table and charts below highlight the leading collaborators with Complutense University of Madrid (UCM).
International vs domestic collaboration by Share
| Type | Percentage |
|---|---|
| International (204 institutions) | 17.5% |
| Domestic (171 institutions) | 82.5% |
Note: Hover over the pie chart to view the Share for each collaboration type.
Note: Hover over the graph to view collaboration by percentage of Share.
Top 5 domestic collaborators with Complutense University of Madrid (UCM) by Share
Collaborating institutions
Note: Hover over the bars to view details about each institution's Share.
| Collaborating Institution | Collaborators' Share | Collaboration Score |
|---|---|---|
| Spanish National Research Council (CSIC) | 16.89 / 18.66 | 35.55 |
| Autonomous University of Madrid (UAM) | 10.52 / 13.06 | 23.58 |
| Institute of Health Carlos III (ISCIII) | 7.55 / 13.19 | 20.74 |
| ORFEO-CINQA Research Network | 1.04 / 12.53 | 13.57 |
| University of Alcalá (UAH) | 3.41 / 6.20 | 9.61 |
Top 5 international collaborators with Complutense University of Madrid (UCM) by Share
Collaborating institutions
Note: Hover over the bars to view details about each institution's Share.
| Collaborating Institution | Collaborators' Share | Total Share |
|---|---|---|
| French National Centre for Scientific Research (CNRS) | 3.96 / 3.65 | 7.62 |
| University of Cambridge | 1.79 / 2.35 | 4.14 |
| Helmholtz Association of German Research Centres | 1.61 / 2.52 | 4.13 |
| University of Lisbon (ULISBOA) | 1.59 / 2.42 | 4.00 |
| National Institute for Health and Medical Research (INSERM) | 1.92 / 0.39 | 2.31 |
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Relationships
Affiliated institutions
The following affiliated institutions are wholly owned, operated, administered or contains research facilities for Complutense University of Madrid (UCM). All affiliations for an affiliated institution are credited to the institution to which it is affiliated. Each of the affiliated institutions listed below has its own research profile.
- Complutense University of Madrid (UCM)
Affiliated joint institutions and consortia
Represents joint institutions and consortia for which the institution is designated as a partner institution. Each partner institution of a joint institution or consortium receives an equivalent Share for every affiliation in which the consortium is included.
- Advanced Microscopy Laboratory (LMA)
- Applied Magnetism Institute (IMA)
- CALIFA Collaboration
- CEI Campus Moncloa
- Campus of International Excellence UCM-UPM
- Geosciences Institute (IGEO)
- Grupo Interdisciplinar de Sistemas Complejos (GISC)
- Grupo de Química de Sistemas Insaturados y Heterociclos Bioactivos (UCM-CSIC)
- Hall A Collaboration
- Health Research Institute of San Carlos (IdISSC)
- Institute of Economic Geology (IGE)
- Institute of Mathematical Sciences (ICMAT)
- Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS)
- Instituto de Investigación Hospital 12 de Octubre (i+12)
- Investigación Sanitaria del Hospital Gregorio Marañón (IISGM)
- Laboratorio de Heteroestructuras con Aplicación en Spintronica
- Laboratory of Cognitive and Computational Neuroscience (LNCyC)
- Madrid Science Park
- Matter at High Pressure (MALTA)
- ORFEO-CINQA Research Network
- Proteomass Scientific Society
- The MAGIC Collaboration
- The Pierre Auger Collaboration
- UCM-ISCIII Joint Centre for Research into Human Evolution and Behaviour
- Unidad Asociada Materiales y Heteroestructuras para Espintrónica
- Unidad Asociada Química Física Molecular (UCM-CSIC)
- Unidades Asociadas de I+D+i (CSIC-UCM)