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 Cayetano Heredia University (UPCH), Peru 0.96 2.41 10 140.9%
2 Pontifical Catholic University of Peru (PUCP), Peru 0.87 2.28 30 151.5%
3 National University of Engineering (UNI), Peru – 0.85 4 N/A
4 Geophysical Institute of Peru (IGP), Peru 0.33 0.59 3 70.7%
5 Ministry of Energy and Mines of Peru (MEM), Peru 0.33 0.51 2 46.9%
6 National University of San Antonio Abad in Cuzco (UNSAAC), Peru 0.39 0.40 6 -0.6%
7 Peruvian University of Applied Sciences (UPC), Peru 0.01 0.38 1 6372.3%
8 National Institute of Neoplastic Diseases (INEN), Peru – 0.34 1 N/A
9 Universidad Autónoma del Perú (UA), Peru – 0.33 1 N/A
10 National University of San Marcos (UNMSM), Peru 0.79 0.31 3 -62.4%
11 Scientific University of the South (UCSUR), Peru – 0.30 3 N/A
12 Universidad Continental, Peru – 0.26 2 N/A
13 Instituto Nacional de Salud (INS), Peru – 0.26 2 N/A
14 University of Engineering and Technology (UTEC), Peru 0.08 0.20 1 150.7%
15 Instituto del Mar del Perú (IMARPE), Peru 0.13 0.18 2 31.7%
16 Universidad del Pacífico, Peru – 0.17 1 N/A
17 National University of Saint Augustine (UNSA), Peru – 0.16 2 N/A
18 Collasuyo Archaeological Research Institute (CARI) - Peru, Peru – 0.15 1 N/A
19 Asociación Benéfica PRISMA, Peru 0.02 0.13 1 491.4%
20 Instituto Nacional de Innovación Agraria (INIA), Peru – 0.13 1 N/A
21 Yunkawasi, Peru – 0.12 2 N/A
22 National University of Trujillo (UNT), Peru – 0.10 1 N/A
23 Ministerio del Ambiente (MINAM), Peru – 0.08 1 N/A
24 Jardín Botánico de Missouri (JBM), Peru 0.04 0.06 2 44.3%
25 National Agrarian University (UNALM), Peru 0.22 0.06 1 -75.9%
25 Association for the Conservation and Development of Natural Resources, Peru – 0.06 1 N/A
26 Catholic University Los Angeles of Chimbote (Uladech), Peru – 0.05 1 N/A
27 University of San Martín de Porres (USMP), Peru 0.00 0.04 2 2252.7%
28 Museo de Sitio Huaca Pucllana, Peru – 0.04 1 N/A
29 Instituto de Investigaciones de la Amazonía Peruana (IIAP), Peru 0.13 0.04 2 -73.4%
30 Instituto del Bien Común (IBC), Peru – 0.03 1 N/A
31 Universidad Andina del Cusco (UAC), Peru – 0.03 1 N/A
32 Peru Ministry of Culture, Peru – 0.02 1 N/A
33 Jorge Basadre Grohmann National University (UNJBG), Peru 0.20 0.01 2 -93.6%
33 Center for Conservation Research and Management of Protected Areas (CIMA), Peru – 0.01 2 N/A
33 Chestnut Project, Peru – 0.01 2 N/A
34 Universidad de Huánuco (UDH), Peru – 0.01 1 N/A
35 Universidad Nacional de la Amazonía Peruana (UNAP), Peru 0.02 0.01 3 -72.1%
36 Peru Ministry of Health (MINSA), Peru 0.02 0.00 3 -78.0%

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/.
  5. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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.


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