2018 tables: Institutions - physical sciences

The 2018 tables are based on Nature Index data from 1 January 2017 to 31 December 2017.

Table criteria

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# Institution Share 2016 Share 2017 Count 2017 Change in Adjusted Share* 2016–2017
1 Institute for Research in Fundamental Sciences (IPM), Iran 14.42 10.05 96 -31.1%
2 Shahid Beheshti University (SBU), Iran 3.53 5.49 12 53.5%
3 University of Tehran (UT), Iran 3.59 4.12 24 13.4%
4 University of Tabriz, Iran 0.13 3.50 5 2667.1%
5 Shiraz University, Iran 10.27 3.33 7 -67.9%
6 Sharif University of Technology (SUT), Iran 3.15 3.26 10 2.3%
7 Damghan University, Iran 0.33 2.92 5 764.7%
8 Shahrood University of Technology, Iran – 2.83 4 N/A
9 Ferdowsi University of Mashhad (FUM), Iran 4.46 2.20 3 -51.2%
10 Isfahan University of Technology (IUT), Iran 3.24 1.94 46 -41.0%
11 Islamic Azad University (IAU), Iran 1.67 1.88 47 10.8%
12 Yazd University, Iran 0.75 1.76 38 131.6%
13 University of Sistan and Baluchestan (USB), Iran – 1.70 4 N/A
14 University of Qom, Iran 1.00 1.17 2 15.3%
15 Alzahra University, Iran 0.37 1.11 2 191.8%
16 University of Maragheh, Iran 3.24 1.08 6 -67.0%
17 Institute for Advanced Studies in Basic Sciences (IASBS), Iran 0.41 1.08 9 160.5%
18 Bu-Ali Sina University, Iran 0.67 1.00 1 48.2%
18 Urmia University, Iran – 1.00 1 N/A
18 Sirjan University of Technology, Iran – 1.00 1 N/A
19 Vali-e-Asr University of Rafsanjan (VRU), Iran – 0.90 2 N/A
20 Azarbaijan Shahid Madani University, Iran 3.13 0.67 2 -78.9%
21 Farhangian University (CFU), Iran – 0.50 1 N/A
21 University of Ayatollah Ozma Borujerdi, Iran – 0.50 1 N/A
22 University of Zanjan, Iran – 0.40 1 N/A
23 Shahid Rajaee Teacher Training University (SRTTU), Iran 0.25 0.38 2 51.5%
24 University of Kashan, Iran 0.50 0.33 1 -34.1%
25 Iran Science and Technology Museum (IRSTM), Iran 0.25 0.25 1 -1.2%
25 University of Isfahan (UI), Iran – 0.25 1 N/A
25 Graduate University of Advanced Technology (GUAT), Iran – 0.25 1 N/A
26 University of Guilan (GU), Iran 1.00 0.20 1 -80.2%
27 Young Researchers and Elite Club, Iran 0.25 0.17 1 -34.1%
28 Lorestan University, Iran 0.50 0.15 3 -71.1%
29 K. N. Toosi University of Technology (KNTU), Iran – 0.13 1 N/A
30 Amirkabir University of Technology (AUT), Iran 0.08 0.12 2 49.9%
30 Shahid Chamran University of Ahvaz, Iran – 0.12 2 N/A
31 Shahid Bahonar University of Kerman (SBUK), Iran – 0.10 1 N/A
32 Tehran University of Medical Sciences (TUMS), Iran 0.07 0.08 1 15.3%
32 Semnan University, Iran – 0.08 1 N/A
33 Institute of Materials and Energy (MERC), Iran – 0.07 1 N/A
34 Iran University of Science and Technology (IUST), Iran 0.00 0.00 1 -0.1%

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.


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