2020 tables: Institutions - physical sciences - academic

The 2020 tables are based on Nature Index data from 1 January 2019 to 31 December 2019.

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# Institution Share 2018 Share 2019 Count 2019 Change in Adjusted Share* 2018–2019
1 Bilkent University, Turkey 5.95 11.26 17 86.6%
2 Istanbul Technical University (ITU), Turkey 3.84 6.24 83 60.3%
3 Boğaziçi University (BU), Turkey 1.51 4.06 132 165.4%
4 Koç University (KU), Turkey 2.76 2.10 5 -24.9%
5 Middle East Technical University (METU), Turkey 2.75 2.06 79 -25.9%
6 Kocaeli University, Turkey 1.42 1.42 3 -1.4%
6 Sabanci University (SU), Turkey 1.59 1.42 5 -12.0%
7 Burdur Mehmet Akif Ersoy University, Turkey 1.00 0.80 5 -21.1%
8 Çukurova University, Turkey 1.13 0.77 69 -33.4%
9 Izmir Institute of Technology (IZTECH), Turkey 1.22 0.57 37 -54.4%
10 Bolu Abant İzzet Baysal University (BAIBU), Turkey 0.09 0.52 2 464.7%
11 Özyeğin University, Turkey 0.05 0.51 35 823.7%
12 Uşak University, Turkey – 0.50 1 N/A
12 Ataturk University, Turkey – 0.50 1 N/A
12 Akdeniz University, Turkey – 0.50 1 N/A
13 Abdullah Gül University, Turkey 0.11 0.38 2 237.6%
14 Uludag University, Turkey 0.17 0.35 8 106.9%
15 Giresun University, Turkey 0.00 0.34 23 7035.4%
16 University of Turkish Aeronautical Association (UTAA), Turkey 0.25 0.33 1 31.4%
16 Gazi University, Turkey 0.13 0.33 1 162.9%
16 Suleyman Demirel University, Turkey 0.50 0.33 1 -34.3%
17 Istanbul University, Turkey 1.23 0.30 57 -76.1%
18 Doğuş University (DOU), Turkey 1.96 0.28 2 -86.0%
19 Selcuk University, Turkey – 0.25 1 N/A
20 Ankara University, Turkey 0.29 0.24 63 -16.8%
21 Istanbul Bilgi University, Turkey 0.20 0.22 109 8.6%
22 Bahcesehir University (BAU), Turkey 0.02 0.22 49 986.3%
23 Niğde Ömer Halisdemir University, Turkey 0.08 0.20 1 136.6%
23 Inonu University, Turkey – 0.20 1 N/A
24 Adıyaman University, Turkey 0.03 0.18 36 570.0%
25 Gebze Technical University (GYTE), Turkey 1.68 0.18 1 -89.3%
26 Ege University, Turkey 1.00 0.16 1 -84.4%
27 Erciyes University, Turkey – 0.16 2 N/A
28 Hacettepe University, Turkey 0.02 0.07 36 323.5%
29 Marmara University, Turkey 0.01 0.07 35 387.8%
30 Istanbul Aydin University (IAU), Turkey 0.05 0.05 87 2.9%
31 Near East University (NEU), Turkey 0.03 0.05 25 84.5%
32 Bartin University, Turkey – 0.05 1 N/A
33 Karamanoğlu Mehmetbey University (KMU), Turkey 0.00 0.05 34 1127.1%
34 University of Gaziantep (GAUN), Turkey 0.04 0.05 52 5.4%
35 Adana Alparslan Türkeş Science and Technology University (ATU), Turkey – 0.04 1 N/A
36 KTO Karatay University, Turkey 0.03 0.03 17 10.7%
37 TOBB University of Economics and Technology, Turkey 0.95 0.03 52 -97.3%
38 Izmir Kâtip Celebi University, Turkey – 0.03 1 N/A
39 Canakkale Onsekiz Mart University (COMU), Turkey – 0.02 1 N/A
40 Dokuz Eylül University, Turkey 0.07 0.01 2 -80.6%
41 Beykent University, Turkey 0.01 0.01 35 -29.8%
42 Gaziosmanpaşa University, Turkey 0.02 0.01 32 -49.2%
43 Mersin University, Turkey 0.01 0.01 35 -44.8%
43 Bingöl University, Turkey 0.01 0.01 35 -43.8%
43 Piri Reis University, Turkey 0.01 0.01 35 -44.8%
43 Kafkas University, Turkey 0.01 0.01 35 -44.8%
43 Sinop University, Turkey 0.01 0.01 35 -43.8%
43 Mimar Sinan Fine Arts University, Turkey 0.26 0.01 35 -97.2%
44 Sirnak University, Turkey 1.00 0.00 10 -99.8%
45 Erzincan Binali Yıldırım University, Turkey 0.01 0.00 9 -79.8%
46 Istanbul Arel University, Turkey – 0.00 1 N/A
47 Necmettin Erbakan University, Turkey 0.01 0.00 1 -97.7%

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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