Leading 50 institutional collaborations

The leading 50 institutional north-south collaborations, ranked by total bilateral collaboration score (Bilateral CS) based on collaborative articles between north and south countries from 2015 to 2022. North and south countries were defined using the World Bank’s income-group classifications. See this supplement’s Guide to the Index for more information. Also listed are the corresponding Share contributions (CS1 & CS2) from the institutional pair over the same period.

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1National Institute for Nuclear Physics (INFN)Italy84.90The National Academy of Sciences of Ukraine (NASU)Ukraine4.2589.15
2National Institute for Nuclear Physics (INFN)Italy52.87Homi Bhabha National Institute (HBNI)India26.1178.98
3National Institute for Nuclear Physics (INFN)Italy70.71Kharkov Institute of Physics and Technology (KIPT)Ukraine2.4373.14
4European Organization for Nuclear Research (CERN)Switzerland60.36The National Academy of Sciences of Ukraine (NASU)Ukraine1.9362.28
5European Organization for Nuclear Research (CERN)Switzerland53.53Kharkov Institute of Physics and Technology (KIPT)Ukraine1.8655.39
6National Institute for Nuclear Physics (INFN)Italy46.69Panjab University (PU)India4.4251.12
7Chinese Academy of Sciences (CAS)China47.30COMSATS University Islamabad (CUI)Pakistan2.3649.66
8National Institute for Nuclear Physics (INFN)Italy39.27Tata Institute of Fundamental Research (TIFR)India7.0246.29
9European Organization for Nuclear Research (CERN)Switzerland30.74Homi Bhabha National Institute (HBNI)India11.9742.70
10Helmholtz Association of German Research CentresGermany34.81The National Academy of Sciences of Ukraine (NASU)Ukraine7.1341.94
11Helmholtz Association of German Research CentresGermany26.42Homi Bhabha National Institute (HBNI)India15.2241.64
12French National Centre for Scientific Research (CNRS)France17.03Tata Institute of Fundamental Research (TIFR)India24.2141.24
13National Institute for Nuclear Physics (INFN)Italy35.87Indian Institute of Technology Madras (IIT Madras)India2.3938.26
14French National Centre for Scientific Research (CNRS)France27.69The National Academy of Sciences of Ukraine (NASU)Ukraine10.4738.16
15Chinese Academy of Sciences (CAS)China36.38University of the PunjabPakistan1.2237.60
16National Institute for Nuclear Physics (INFN)Italy35.40Department of Atomic Energy (DAE)India2.0737.47
17Helmholtz Association of German Research CentresGermany29.10Tata Institute of Fundamental Research (TIFR)India8.2737.37
18National Institute for Nuclear Physics (INFN)Italy33.30Institute for Research in Fundamental Sciences (IPM)Iran3.7937.09
19Max Planck SocietyGermany18.99Tata Institute of Fundamental Research (TIFR)India17.1336.11
20National Institute for Nuclear Physics (INFN)Italy31.73Indian Institute of Science Education and Research Pune (IISER Pune)India4.2836.01
21French National Centre for Scientific Research (CNRS)France14.17Homi Bhabha National Institute (HBNI)India21.5435.71
22National Institute for Nuclear Physics (INFN)Italy32.31University of Delhi (DU)India2.4534.76
23National Institute for Nuclear Physics (INFN)Italy32.25Quaid-i-Azam University (QAU)Pakistan2.3234.57
24Helmholtz Association of German Research CentresGermany29.45Indian Institute of Technology Madras (IIT Madras)India4.7534.20
25European Organization for Nuclear Research (CERN)Switzerland29.80Panjab University (PU)India3.9333.72
26Chinese Academy of Sciences (CAS)China30.29Indian Institute of Technology Madras (IIT Madras)India3.0633.35
27Russian Academy of Sciences (RAS)Russia22.08The National Academy of Sciences of Ukraine (NASU)Ukraine11.2733.35
28National Institute for Nuclear Physics (INFN)Italy31.89Academy of Scientific Research and Technology (ASRT)Egypt0.4232.32
29French National Centre for Scientific Research (CNRS)France12.65Indian Institute of Science (IISc)India19.4032.05
30National Research Center Kurchatov Institute (NRCKI)Russia28.13The National Academy of Sciences of Ukraine (NASU)Ukraine3.8832.01
31European Organization for Nuclear Research (CERN)Switzerland23.60Tata Institute of Fundamental Research (TIFR)India8.3331.93
32Helmholtz Association of German Research CentresGermany27.20Panjab University (PU)India4.5931.79
33Chinese Academy of Sciences (CAS)China28.19Mongolian Academy of Sciences (MAS)Mongolia1.1229.31
34Helmholtz Association of German Research CentresGermany24.28Department of Atomic Energy (DAE)India4.1228.40
35Monash UniversityAustralia12.81Indian Institute of Technology Bombay (IIT Bombay)India14.6827.50
36National Institute for Nuclear Physics (INFN)Italy24.60Indian Institute of Science (IISc)India2.1126.71
37National Institute for Nuclear Physics (INFN)Italy24.92Mohammed V UniversityMorocco1.4326.35
38National Institute for Nuclear Physics (INFN)Italy25.40Université Mohammed Premier (UMP)Morocco0.7526.15
39Helmholtz Association of German Research CentresGermany23.14University of Delhi (DU)India2.9326.07
40Helmholtz Association of German Research CentresGermany20.81Indian Institute of Science (IISc)India5.1425.95
41Helmholtz Association of German Research CentresGermany22.30Quaid-i-Azam University (QAU)Pakistan3.2525.55
42Fermi National Accelerator Laboratory (Fermilab)United States of America (USA)17.45Homi Bhabha National Institute (HBNI)India7.5525.00
43National Research Center Kurchatov Institute (NRCKI)Russia13.50Homi Bhabha National Institute (HBNI)India11.0524.54
44National Institute for Nuclear Physics (INFN)Italy24.12University of Ruhuna (RUH)Sri Lanka0.2624.37
45Helmholtz Association of German Research CentresGermany22.45Institute for Research in Fundamental Sciences (IPM)Iran1.7424.19
46European Organization for Nuclear Research (CERN)Switzerland21.38Institute for Research in Fundamental Sciences (IPM)Iran2.2023.58
47European Organization for Nuclear Research (CERN)Switzerland21.15University of Delhi (DU)India2.4223.57
48Helmholtz Association of German Research CentresGermany21.23Indian Institute of Science Education and Research Pune (IISER Pune)India2.3223.55
49European Organization for Nuclear Research (CERN)Switzerland21.37Quaid-i-Azam University (QAU)Pakistan2.0923.46
50National Institute for Nuclear Physics (INFN)Italy22.66Cadi Ayyad University (UCA)Morocco0.3823.05