Université Libre de Bruxelles (ULB)
Belgium
Time frame: 1 June 2025 - 30 May 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 Université Libre de Bruxelles (ULB)'s position overall, domestically, within their sector, and in various subject areas based on their Share. Each position links to the corresponding table where Université Libre de Bruxelles (ULB) is listed.
Position by research output Share
Position by research output Share in subject areas
Research
Université Libre de Bruxelles (ULB) has the following research output in the current window (1 June 2025 - 30 May 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 | 269 | 49.80 |
Overall Count and Share for 'Université Libre de Bruxelles (ULB)' based on the 12-month time frame mentioned above.
Research outputs by subject area
| Subject | Count | Share |
|---|---|---|
| Applied sciences | 20 | 6.18 |
| Biological sciences | 27 | 4.86 |
| Chemistry | 12 | 4.09 |
| Earth & environmental sciences | 18 | 4.39 |
| Health sciences | 70 | 13.13 |
| Physical sciences | 115 | 14.69 |
| Social sciences | 7 | 2.47 |
Note: Hover over the donut graph to view the Share for each subject.
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Leading research topics
| Topics | Count | Share |
|---|---|---|
| Particle and High Energy Physics | 76 | 6.10 |
| Oncology and Carcinogenesis | 19 | 5.45 |
| Quantum Physics | 11 | 4.28 |
| Clinical Sciences | 27 | 4.09 |
| Biochemistry and Cell Biology | 6 | 2.18 |
| Environmental Management | 3 | 1.67 |
| Astronomical Sciences | 18 | 1.52 |
| Atmospheric Sciences | 6 | 1.46 |
Share output for the past 5 years
| Subject area or journal group | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Overall | 38 | 39 | 39 | 43 | 51 |
| Applied sciences | 2 | 3 | 5 | 6 | 0 |
| Health sciences | 4 | 10 | 10 | 11 | 0 |
| Natural sciences | 30 | 25 | 24 | 24 | 0 |
| Biological sciences | 5 | 5 | 6 | 5 | 0 |
| Chemistry | 6 | 8 | 3 | 4 | 4 |
| Earth & environmental sciences | 2 | 3 | 2 | 4 | 0 |
| Physical sciences | 18 | 9 | 14 | 11 | 0 |
| Social sciences | 1 | 0 | 0 | 3 | 0 |
| Nature & Science | 0 | 2 | 3 | 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 Université Libre de Bruxelles (ULB).
International vs domestic collaboration by Share
| Type | Percentage |
|---|---|
| International (78 institutions) | 52.2% |
| Domestic (30 institutions) | 47.8% |
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 Université Libre de Bruxelles (ULB) by Share
Collaborating institutions
Note: Hover over the bars to view details about each institution's Share.
| Collaborating Institution | Collaborators' Share | Collaboration Score |
|---|---|---|
| Brussels University Hospital (H.U.B) | 9.35 / 5.50 | 14.85 |
| International Solvay Institutes | 5.21 / 4.53 | 9.75 |
| Free University of Brussels (VUB) | 4.85 / 3.52 | 8.37 |
| Catholic University of Louvain (UCLouvain) | 4.09 / 2.01 | 6.10 |
| WEL Research Institute | 4.49 / 0.75 | 5.25 |
Top 5 international collaborators with Université Libre de Bruxelles (ULB) 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) | 10.06 / 5.73 | 15.80 |
| Sorbonne University | 4.46 / 1.40 | 5.86 |
| University of Paris-Saclay | 3.25 / 1.21 | 4.46 |
| Université PSL | 2.78 / 1.57 | 4.35 |
| IPSL Atmospheres Laboratory (LATMOS) | 2.07 / 1.67 | 3.74 |
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Relationships
Affiliated institutions
The following affiliated institutions are wholly owned, operated, administered or contains research facilities for Université Libre de Bruxelles (ULB). 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.
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.
- Brussels Institute for Thermal-fluid systems and clean Energy (BRITE)
- Brussels Interuniversity Genomics High Throughput Core (BRIGHTcore)
- Center for Microscopy and Molecular Imaging (CMMI)
- Equipe de Recherche Méthodes Quantitatives pour les Modèles Aléatoires de la Physique (MEPHYSTO)
- European Plotkin Institute for Vaccinology (EPIV)
- European Project for Ice Coring in Antarctica (EPICA)
- Evolution and Tracers of Habitability on Mars and the Earth (ET-HOME)
- Future Circular Collider Design Study (FCC)
- IceCube Collaboration
- Interuniversity Institute for High Energies (IIHE)
- Interuniversity Institute of Bioinformatics in Brussels (IB)²
- North Greenland Eemian Ice Drilling (NEEM)
- Telescope Array Collaboration
- The CMS Collaboration
- The OPERA Collaboration