Table 5-20
Index of international collaboration on S&E articles, by selected country/economy pair: 1998 and 2008
 
  International
collaboration index
Country/economy pair 1998 2008
 
North/South America    
Canada–U.S. 1.21 1.18
Mexico–U.S. 1.01 1.03
U.S.–Brazil 0.87 0.89
Argentina–Brazil 4.33 5.32
Mexico–Argentina 2.99 3.74
North Atlantic    
UK–U.S. 0.67 0.74
Germany–U.S. 0.68 0.68
France–U.S. 0.56 0.60
Canada–France 0.63 0.74
Europe    
France–Germany 0.74 0.91
France–UK 0.73 0.87
Germany–UK 0.68 0.86
Belgium-Netherlands 2.50 2.68
Italy–Switzerland 1.51 1.38
Poland–Czech Republic 2.15 3.48
Hungary–Germany 1.23 1.34
Germany–Czech Republic 1.27 1.46
Scandinavia    
Finland–Sweden 3.39 3.98
Norway–Sweden 4.10 3.96
Sweden–Denmark 2.88 3.38
Finland–Denmark 2.36 3.15
Pacific Rim    
Japan–U.S. 1.03 0.89
China–U.S. 0.82 0.97
South Korea–U.S. 1.38 1.23
Taiwan–U.S. 1.44 1.23
China–Canada 0.66 0.73
Japan–Canada 0.59 0.55
Asia/South Pacific    
China–Japan 1.53 1.38
South Korea–Japan 1.99 1.90
Australia–Singapore 1.93 1.70
Australia–China 1.05 1.14
Australia–New Zealand 4.28 3.80
India–Japan 0.94 1.12
India–South Korea 1.61 2.19
 

UK = United Kingdom

NOTES: International collaboration index is first country's rate of collaboration with second country divided by second country's rate of international coauthorship. Article counts from set of journals covered by Science Citation Index (SCI) and Social Sciences Citation Index (SSCI). Articles classified by year they entered database, rather than year of publication, and assigned to country/economy on basis of institutional address(es) listed on article. Articles on whole-count basis, i.e., each collaborating country/economy credited one count.

SOURCES: Thomson Reuters, SCI and SSCI, http://thomsonreuters.com/products_services/science/; The Patent BoardTM; and National Science Foundation, Division of Science Resources Statistics. See appendix table 5-41.

Science and Engineering Indicators 2010