Top 100 domestic collaborations

Chinese institutions ranked by their bilateral collaboration score (CS) with international and domestic partners in 2016. The CS sums the fractional count of collaborative papers from the two partnering institutions.

Rank 2016 Chinese institution 1 City 1 Institution 1 contribution Chinese institution 2 City 2 Institution 2 contribution Bilateral CS
1 Institute of Chemistry (ICCAS), CAS Beijing 97.77 Peking University (PKU) Beijing 90.11 187.88
2 Peking University (PKU) Beijing 50.79 Tsinghua University (TH) Beijing 44.91 95.70
3 Institute of Physics (IOP), CAS Beijing 36.00 Peking University (PKU) Beijing 37.67 73.67
4 Institute of Chemistry (ICCAS), CAS Beijing 46.99 University of Chinese Academy of Sciences (UCAS) Beijing 22.55 69.54
5 Changchun Institute of Applied Chemistry (CIAC), CAS Changchun 50.19 University of Chinese Academy of Sciences (UCAS) Beijing 16.79 66.98
6 Institute of Physics (IOP), CAS Beijing 35.63 Tsinghua University (TH) Beijing 28.23 63.86
7 Hefei Institutes of Physical Science (HIPS), CAS Hefei 26.69 University of Science and Technology of China (USTC) Hefei 34.37 61.05
8 Nankai University (NKU) Tianjin 39.59 Tianjin University (TJU) Tianjin 21.12 60.71
9 National Astronomical Observatories (NAOC), CAS Beijing 32.06 University of Chinese Academy of Sciences (UCAS) Beijing 13.60 45.66
10 Dalian Institute of Chemical Physics (DICP), CAS Dalian 36.61 University of Chinese Academy of Sciences (UCAS) Beijing 7.78 44.39
11 Peking University (PKU) Beijing 19.89 University of Chinese Academy of Sciences (UCAS) Beijing 22.50 42.39
12 The Chinese University of Hong Kong (CUHK) Hong Kong 18.53 The University of Hong Kong (HKU) Hong Kong 18.93 37.46
13 Nanjing University (NJU) Nanjing 20.10 University of Science and Technology of China (USTC) Hefei 16.66 36.76
14 Fujian Institute of Research on the Structure of Matter (FJIRSM), CAS Fuzhou 24.90 University of Chinese Academy of Sciences (UCAS) Beijing 4.95 29.84
15 Fudan University Shanghai 17.70 Nanjing University (NJU) Nanjing 10.87 28.56
16 Fudan University Shanghai 22.10 Shanghai Jiao Tong University (SJTU) Shanghai 5.82 27.92
17 Shanghai Institutes for Biological Sciences (SIBS), CAS Shanghai 20.16 University of Chinese Academy of Sciences (UCAS) Beijing 7.22 27.38
18 Tsinghua University (TH) Beijing 9.90 University of Science and Technology of China (USTC) Hefei 17.41 27.31
19 National Astronomical Observatories (NAOC), CAS Beijing 14.00 Peking University (PKU) Beijing 11.69 25.69
20 Institute of Biophysics (IBP), CAS Beijing 16.43 University of Chinese Academy of Sciences (UCAS) Beijing 8.76 25.19
21 Beijing Normal University (BNU) Beijing 14.90 Peking University (PKU) Beijing 10.09 24.98
22 Technical Institute of Physics and Chemistry (TIPC), CAS Beijing 17.21 University of Chinese Academy of Sciences (UCAS) Beijing 5.81 23.01
23 Nanjing University (NJU) Nanjing 15.54 Purple Mountain Observatory (PMO), CAS Nanjing 7.17 22.71
24 Peking University (PKU) Beijing 5.51 University of Science and Technology of China (USTC) Hefei 15.29 20.80
25 Hong Kong University of Science and Technology (HKUST) Hong Kong 10.16 The University of Hong Kong (HKU) Hong Kong 10.32 20.49
26 Fudan University Shanghai 13.73 Zhejiang University (ZJU) Hangzhou 6.26 19.99
27 Fudan University Shanghai 13.98 University of Science and Technology of China (USTC) Hefei 5.68 19.65
28 Institute of High Energy Physics (IHEP), CAS Beijing 14.25 Peking University (PKU) Beijing 5.13 19.38
29 Hong Kong University of Science and Technology (HKUST) Hong Kong 10.32 The Chinese University of Hong Kong (CUHK) Hong Kong 8.37 18.68
30 National Center for Nanoscience and Technology (NCNST), CAS Beijing 7.02 University of Science and Technology of China (USTC) Hefei 11.61 18.63
31 Fudan University Shanghai 13.98 Hefei Institutes of Physical Science (HIPS), CAS Hefei 4.43 18.41
32 National Center for Nanoscience and Technology (NCNST), CAS Beijing 12.66 University of Chinese Academy of Sciences (UCAS) Beijing 5.43 18.09
33 Peking University (PKU) Beijing 14.32 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 3.18 17.50
34 Hefei Institutes of Physical Science (HIPS), CAS Hefei 10.94 Nanjing University (NJU) Nanjing 6.28 17.22
35 Nanjing University (NJU) Nanjing 9.82 Peking University (PKU) Beijing 7.30 17.12
36 University of Science and Technology of China (USTC) Hefei 8.87 Zhejiang University (ZJU) Hangzhou 8.04 16.91
37 Nanjing University (NJU) Nanjing 9.98 National Astronomical Observatories (NAOC), CAS Beijing 6.91 16.89
38 Institute of High Energy Physics (IHEP), CAS Beijing 10.85 University of Chinese Academy of Sciences (UCAS) Beijing 5.66 16.50
39 Institute of Chemistry (ICCAS), CAS Beijing 11.52 Tianjin University (TJU) Tianjin 4.49 16.01
40 Hong Kong Baptist University (HKBU) Hong Kong 6.09 The University of Hong Kong (HKU) Hong Kong 9.59 15.68
41 City University of Hong Kong (CityU) Hong Kong 6.46 Hong Kong University of Science and Technology (HKUST) Hong Kong 9.21 15.66
42 Shanghai Institutes for Biological Sciences (SIBS), CAS Shanghai 6.70 Shanghai Jiao Tong University (SJTU) Shanghai 8.96 15.66
43 City University of Hong Kong (CityU) Hong Kong 6.99 The University of Hong Kong (HKU) Hong Kong 8.53 15.51
44 Huazhong University of Science and Technology (HUST) Wuhan 10.62 Wuhan Institute of Physics and Mathematics (WIPM), CAS Wuhan 4.58 15.20
45 Jilin University (JLU) Changchun 9.20 Tsinghua University (TH) Beijing 6.00 15.20
46 Lanzhou Institute of Chemical Physics (LICP), CAS Lanzhou 12.56 University of Chinese Academy of Sciences (UCAS) Beijing 2.47 15.03
47 City University of Hong Kong (CityU) Hong Kong 7.03 The Chinese University of Hong Kong (CUHK) Hong Kong 7.93 14.96
48 Purple Mountain Observatory (PMO), CAS Nanjing 10.80 University of Chinese Academy of Sciences (UCAS) Beijing 3.97 14.77
49 Nankai University (NKU) Tianjin 1.40 Sichuan University (SCU) Chengdu 13.15 14.55
50 Hong Kong Baptist University (HKBU) Hong Kong 6.23 Hong Kong University of Science and Technology (HKUST) Hong Kong 8.24 14.46
51 Shanghai Jiao Tong University (SJTU) Shanghai 5.36 University of Science and Technology of China (USTC) Hefei 8.81 14.17
52 Fudan University Shanghai 13.12 Huawei Technologies Co., Ltd. Shenzhen 0.89 14.01
53 Hong Kong Baptist University (HKBU) Hong Kong 6.71 The Chinese University of Hong Kong (CUHK) Hong Kong 7.26 13.96
54 Tsinghua University (TH) Beijing 3.91 Xiamen University (XMU) Xiamen 9.91 13.82
55 FiberHome Technologies Group Wuhan 3.97 Huazhong University of Science and Technology (HUST) Wuhan 9.33 13.30
56 Nanjing University (NJU) Nanjing 8.85 Southeast University (SEU) Nanjing 4.44 13.29
57 China Shipbuilding Industry Corporation (CSIC) Beijing 3.60 Huazhong University of Science and Technology (HUST) Wuhan 9.33 12.92
58 Nanjing Tech University (NanjingTech) Nanjing 5.02 Nanjing University of Posts and Telecommunications (NUPT) Nanjing 7.77 12.79
59 Institute of Semiconductors (IOS), CAS Beijing 5.60 Jilin University (JLU) Changchun 7.01 12.61
60 City University of Hong Kong (CityU) Hong Kong 5.57 Hong Kong Baptist University (HKBU) Hong Kong 6.97 12.54
61 East China Normal University (ECNU) Shanghai 9.92 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 2.62 12.53
62 Institute of Semiconductors (IOS), CAS Beijing 6.08 Tsinghua University (TH) Beijing 6.35 12.43
63 Beijing Normal University (BNU) Beijing 3.51 National Astronomical Observatories (NAOC), CAS Beijing 8.66 12.17
64 Beijing Normal University (BNU) Beijing 8.43 Tsinghua University (TH) Beijing 3.66 12.10
65 Institute of Chemistry (ICCAS), CAS Beijing 4.75 Tsinghua University (TH) Beijing 7.22 11.97
66 Nankai University (NKU) Tianjin 4.84 Peking University (PKU) Beijing 7.11 11.95
67 Nanjing University (NJU) Nanjing 10.66 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 1.13 11.80
68 Nanjing University (NJU) Nanjing 7.32 Shanghai Jiao Tong University (SJTU) Shanghai 4.43 11.75
69 Institute of Physics (IOP), CAS Beijing 9.40 University of Chinese Academy of Sciences (UCAS) Beijing 2.27 11.67
70 Institute of Genetics and Developmental Biology (IGDB), CAS Beijing 7.07 University of Chinese Academy of Sciences (UCAS) Beijing 4.59 11.66
71 Tsinghua University (TH) Beijing 5.35 University of Chinese Academy of Sciences (UCAS) Beijing 6.08 11.43
72 Institute of High Energy Physics (IHEP), CAS Beijing 7.51 University of Science and Technology of China (USTC) Hefei 3.88 11.39
73 Hong Kong University of Science and Technology (HKUST) Hong Kong 8.31 South China University of Technology (SCUT) Guangzhou 2.99 11.30
74 Nanjing University (NJU) Nanjing 4.71 Zhejiang University (ZJU) Hangzhou 6.48 11.19
75 East China University of Science and Technology (ECUST) Shanghai 6.66 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 4.51 11.17
76 Beijing University of Technology (BJUT) Beijing 2.44 Tsinghua University (TH) Beijing 8.57 11.00
77 Shanghai Institutes for Biological Sciences (SIBS), CAS Shanghai 9.81 ShanghaiTech University Shanghai 1.15 10.96
78 Nankai University (NKU) Tianjin 4.83 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 6.08 10.92
79 Nanjing Medical University (NJMU) Nanjing 3.18 Nanjing University (NJU) Nanjing 7.66 10.85
80 Nanjing University (NJU) Nanjing 5.86 Tsinghua University (TH) Beijing 4.84 10.70
81 Lanzhou University (LZU) Lanzhou 9.50 Nankai University (NKU) Tianjin 1.19 10.69
82 Sichuan University (SCU) Chengdu 10.13 Tianjin University (TJU) Tianjin 0.43 10.57
83 Institute of Atmospheric Physics (IAP), CAS Beijing 7.79 University of Chinese Academy of Sciences (UCAS) Beijing 2.57 10.36
84 National Institute of Biological Sciences, Beijing (NIBS) Beijing 5.71 Peking University (PKU) Beijing 4.63 10.34
85 Fudan University Shanghai 5.00 Shanghai Institutes for Biological Sciences (SIBS), CAS Shanghai 5.25 10.24
86 Shanghai Jiao Tong University (SJTU) Shanghai 3.28 Zhejiang University (ZJU) Hangzhou 6.83 10.11
87 Changchun Institute of Applied Chemistry (CIAC), CAS Changchun 7.10 Jilin University (JLU) Changchun 2.73 9.83
88 Institute of Chemistry (ICCAS), CAS Beijing 8.00 Nankai University (NKU) Tianjin 1.79 9.79
89 National Center for Nanoscience and Technology (NCNST), CAS Beijing 5.84 Peking University (PKU) Beijing 3.88 9.72
90 Institute of Physics (IOP), CAS Beijing 3.71 University of Science and Technology of China (USTC) Hefei 5.98 9.68
91 Beijing Normal University (BNU) Beijing 6.55 Institute of Atmospheric Physics (IAP), CAS Beijing 3.06 9.61
92 Lanzhou University (LZU) Lanzhou 8.97 Tianjin University (TJU) Tianjin 0.56 9.53
93 University of Chinese Academy of Sciences (UCAS) Beijing 1.25 Xinjiang Technical Institute of Physics and Chemistry (XTIPC), CAS Urumqi 8.27 9.52
94 Kunming Institute of Botany (KIB), CAS Kunming 7.69 University of Chinese Academy of Sciences (UCAS) Beijing 1.83 9.52
95 Institute of Theoretical Physics (ITP), CAS Beijing 5.13 University of Chinese Academy of Sciences (UCAS) Beijing 4.36 9.49
96 Beihang University (BUAA) Beijing 5.46 Technical Institute of Physics and Chemistry (TIPC), CAS Beijing 4.00 9.46
97 Shanghai Astronomical Observatory (SHAO), CAS Shanghai 6.99 University of Chinese Academy of Sciences (UCAS) Beijing 2.46 9.45
98 Hefei Institutes of Physical Science (HIPS), CAS Hefei 3.36 Zhejiang University (ZJU) Hangzhou 6.05 9.40
99 Wuhan Institute of Virology (WIV), CAS Wuhan 3.05 Wuhan University (WHU) Wuhan 6.35 9.40
100 Fudan University Shanghai 4.39 Shanghai Institute of Organic Chemistry (SIOC), CAS Shanghai 4.86 9.25

The Chinese Academy of Sciences has been split into its top-level constituent institutes.

These results are based on the most recent data available as of 10 February 2017. Owing to continual refinements of the data, the figures in the database are liable to change and might differ to those printed in the supplement.