2021 tables: Institutions

The 2021 tables are based on Nature Index data from 1 January 2020 to 31 December 2020.

Table criteria

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# Institution Share 2019 Share 2020 Count 2020 Change in Adjusted Share* 2019–2020
1 Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN HH), Romania 4.47 3.82 118 -17.5%
2 West University of Timișoara (UVT), Romania 4.03 3.02 45 -27.6%
3 Babeș-Bolyai University (UBB), Romania 4.03 2.62 16 -37.3%
4 University of Bucharest (UB), Romania 2.58 2.17 14 -18.9%
5 Romanian Academy, Romania 2.82 1.49 11 -49.2%
6 Alexandru Ioan Cuza University (UAIC), Romania 0.88 1.36 44 48.3%
7 Institute of Space Science (ISS), Romania 0.67 0.96 31 37.8%
8 University of Oradea, Romania 0.45 0.67 5 44.8%
9 Technical University of Cluj-Napoca, Romania 0.34 0.56 2 59.0%
10 Transilvania University of Brașov (UniTBv), Romania 0.09 0.53 45 475.7%
11 Romania Ministry of National Education, Romania 0.10 0.48 46 364.6%
12 National Institute of Materials Physics (NIMP), Romania 0.56 0.42 3 -27.7%
13 National Institute for Research and Development in Microtechnologies, Romania – 0.39 1 N/A
14 Romanian Institute of Science and Technology (RIST), Romania 0.02 0.33 1 1828.4%
14 National Institute for Research and Development in Microtechnology (IMT), Romania 0.13 0.33 1 157.1%
15 National Institute of Research and Development for Microbiology and Immunology - Cantacuzino (NIRDMI), Romania – 0.29 1 N/A
16 Carol Davila University of Medicine and Pharmacy (UMFCD), Romania 0.01 0.26 4 1636.3%
17 Ştefan cel Mare University of Suceava (USV), Romania 1.00 0.25 1 -75.9%
18 National Institute for Laser, Plasma and Radiation Physics (INFLPR), Romania 0.55 0.24 2 -58.9%
19 National Institute for Research and Development of Marine Geology and Geoecology (GeoEcoMar), Romania 0.25 0.17 1 -35.7%
20 Lucian Blaga University of Sibiu (ULBS), Romania 0.31 0.14 1 -55.5%
21 Politehnica University of Bucharest (UPB), Romania 0.01 0.09 35 673.6%
22 Iuliu Hațieganu University of Medicine and Pharmacy (UMF Cluj), Romania – 0.09 4 N/A
23 National Institute for Earth Physics (NIEP), Romania – 0.08 2 N/A
24 National Institute of Infectious Diseases "Prof. Dr. Matei Bals" (INBIMB), Romania – 0.08 2 N/A
25 Hyperion University, Romania – 0.06 1 N/A
26 The Oncology Institute "Prof. Dr. Ion Chiricuta" (IOCN), Romania 0.02 0.03 1 54.3%
27 National Institute for Research and Development in Forestry Marin Dracea (I.N.C.D.S.), Romania – 0.02 1 N/A
28 University of Medicine and Pharmacy Craiova (UMF Craiova), Romania 0.02 0.02 2 -24.9%
29 Victor Babes National Institute of Pathology (INCDVB), Romania – 0.01 1 N/A
30 Faculty of Veterinary Medicine, Romania – 0.01 1 N/A
31 Bucharest University of Economic Studies, Romania 0.01 0.01 2 10.2%
32 Marius Nasta Institute of Pneumology, Romania – 0.01 1 N/A
33 Alexandru Obregia Clinical Psychiatric Hospital, Romania 0.01 0.00 1 -57.0%
34 Center for Health Outcomes and Evaluation srl, Romania 0.00 0.00 2 37.7%
35 Institutul Clinic Fundeni, Romania 0.02 0.00 3 -91.2%
36 Emergency Hospital of Saint Pantelimon, Romania 0.00 0.00 1 -42.0%
36 National Institute of Legal Medicine Mina Minovici (NILM), Romania 0.00 0.00 1 -42.0%
36 University Emergency Hospital Bucharest, Romania 0.00 0.00 1 -67.4%
36 Cardio-aid, Romania 0.00 0.00 1 -79.1%

Footnote

Each year, the Nature Index publishes tables based on counts of high-quality research outputs in the previous calendar year. Users please note:

  1. The data behind the tables are based on a relatively small proportion of total research papers, they cover the natural sciences only and outputs are non-normalized (that is, they don’t reflect the size of the country or institution, or its overall research output).
  2. The Nature Index is one indicator of institutional research performance. The metrics of Count and Share used to order Nature Index listings are based on an institution’s or country’s publication output in 82 natural-science journals through 2022, in 2023 64 health-science journals were added to the Index. The 146 journals in the Nature Index were selected on reputation by an independent panel of leading scientists in their fields.
  3. Nature Index recognizes that many other factors must be taken into account when considering research quality and institutional performance; Nature Index metrics alone should not be used to assess institutions or individuals.
  4. Nature Index data and methods are transparent and available under a creative commons licence at nature.com/nature-index/.

The Nature Index database undergoes regular updating, corrections, adjustment of institutional hierarchies, and removal of retracted papers and thus the live website can differ from the frozen annual tables.

*The change in adjusted Share accounts for the small annual variation in the total number of articles in Nature Index journals. Share values have been adjusted to 2022 levels to calculate the percentage change. For more information on the adjustment, please see the Adjusted metric explainer.


Numerical information only is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.