2021 tables: Institutions - academic

Table criteria

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

2020 Institution Share 2019 Share 2020
1 University of Barcelona (UB), Spain 68.37 77.31
2 Autonomous University of Madrid (UAM), Spain 73.22 69.83
3 University of the Basque Country (UPV/EHU), Spain 50.81 60.00
4 University of Valencia (UV), Spain 54.31 55.05
5 Complutense University of Madrid (UCM), Spain 32.35 42.12
6 University of Santiago de Compostela (USC), Spain 36.52 36.61
7 Autonomous University of Barcelona (UAB), Spain 26.21 25.01
8 University of Oviedo (UniOvi), Spain 20.53 24.87
9 University of Granada (UGR), Spain 22.73 21.34
10 University of Zaragoza (Unizar), Spain 15.88 17.86
11 University of Girona (UdG), Spain 16.73 16.66
12 University of Salamanca (USAL), Spain 10.27 15.62
13 Rovira i Virgili University (URV), Spain 12.62 15.25
14 Pompeu Fabra University (UPF), Spain 12.15 14.80
15 Polytechnic University of Valencia (UPV), Spain 14.32 14.77
16 Polytechnic University of Catalonia (UPC), Spain 11.92 14.50
17 University of Murcia (UMU), Spain 10.96 14.30
18 University of Seville (US), Spain 14.11 13.03
19 University of La Laguna (ULL), Spain 12.10 12.48
20 University of Alcalá (UAH), Spain 10.53 10.05
21 Jaume I University (UJI), Spain 10.47 9.66
22 University of Valladolid (UVa), Spain 5.31 8.83
23 University of Vigo (UVIGO), Spain 5.79 8.79
24 University of the Balearic Islands (UIB), Spain 10.40 8.31
25 University of Castilla-La Mancha (UCLM), Spain 5.33 8.09
26 University of Alicante (UA), Spain 6.49 7.86
27 University of Málaga (UMA), Spain 7.72 7.61
28 Pablo de Olavide University (UPO), Spain 4.88 7.33
29 University of Cantabria (UC), Spain 9.81 6.82
30 King Juan Carlos University (URJC), Spain 4.81 6.34
31 University of Burgos (UBU), Spain 2.45 6.20
32 Technical University of Madrid (UPM), Spain 9.71 5.37
33 University of A Coruña (UDC), Spain 6.17 5.22
34 University of Navarra (UNAV), Spain 8.42 5.14
35 Miguel Hernández University of Elche (UMH), Spain 7.05 5.03
36 University of La Rioja (UR), Spain 3.15 4.87
37 Charles III University of Madrid (UC3M), Spain 2.88 4.65
38 San Pablo CEU University (USPCEU), Spain 0.11 3.71
39 University of Almeria (UAL), Spain 1.94 3.29
40 University of Extremadura (UEx), Spain 1.96 3.21
41 University of Huelva (UHU), Spain 1.95 3.07
42 University of Cádiz (UCA), Spain 3.32 1.95
43 Technical University of Cartagena (UPCT), Spain 2.32 1.84
44 University of Lleida (UDL), Spain 2.41 1.77
45 University of Cordoba (UCO), Spain 1.49 1.30
46 University of León (ULE), Spain 0.73 1.20
47 Ramon Llull University (URL), Spain 1.03 1.02
48 National University of Distance Education (UNED), Spain 0.88 1.02
49 University of Las Palmas de Gran Canaria (ULPGC), Spain 1.21 0.91
50 University of Jaén (UJU), Spain 1.61 0.63
51 Public University of Navarre (UPNA), Spain 1.51 0.61
52 Universitat Internacional de Catalunya (UIC), Spain 0.73 0.46
53 Barcelona Graduate School of Economics (Barcelona GSE), Spain 0.09 0.42
54 CEU Cardinal Herrera University, Spain 0.43 0.37
55 University of Vic - Central University of Catalonia (UVic-UCC), Spain 0.35 0.34
56 Comillas Pontifical University (UPCO), Spain 0.18 0.30
57 Naval Military Academy (ENM), Spain 0.25
58 Open University of Catalonia (UOC), Spain 0.04 0.23
59 IE University, Spain 0.20
60 Francisco de Vitoria University (UFV), Spain 0.07 0.18
61 Universidad Católica San Antonio de Murcia (UCAM), Spain 0.88 0.17
62 HM Hospitales, Spain 0.10
63 INS Valerià Pujol, Spain 0.10
64 Hospitales de Granada, Spain 0.00 0.08
65 Institute of Secondary Education Maimónides (IES Maimónides), Spain 0.07
66 Valencia Catholic University Saint Vincent Martyr (UCV), Spain 0.15 0.05
67 European University of Madrid (UEM), Spain 0.28 0.04
68 Fernando Pessoa Canarias University (UFPC), Spain 0.02 0.03
69 Fundació Jesuïtes Educació, Spain 0.03
70 Saint Louis University (SLU Madrid), Spain 0.02 0.01
70 University of Valencia Science Park, Spain 0.01
71 European University of the Atlantic, Spain 0.01
72 University of Deusto, Spain 0.01

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, 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 natureindex.com.

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 2020 levels to calculate the percentage change. For more information on the adjustment, please see the Adjusted metric explainer.