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. 2014 Jan 29;12:15. doi: 10.1186/1741-7015-12-15

Table 4.

Productivity and patterns of collaboration by countries

Country Total papers, n Papers per million inhabitants, n Collaborations, n Distinct countries of collaborations, n Main collaborator(s) (number of collaborations)
USA
310
0.99
428
43
UK (63)
UK
297
4.73
380
44
USA (69)
Canada
143
4.15
200
29
USA (53)
Australia
70
3.14
165
30
UK (30)
Italy
57
0.94
205
29
USA (34)
The Netherlands
57
3.41
173
27
USA (27)
France
51
0.78
159
27
USA (26)
Germany
50
0.61
164
32
USA (30)
Switzerland
47
5.94
177
35
USA (25)
Denmark
41
7.36
124
28
UK (18)
Belgium
23
2.09
92
23
UK (14)
Sweden
21
2.22
69
14
USA (13)
Spain
19
0.41
76
28
USA (8)
Norway
14
2.83
56
20
UK and USA (11)
Japan
13
0.10
51
21
USA (9)
New Zealand
13
2.95
24
11
UK (8)
Finlad
11
2.04
43
14
Australia and USA (7)
Brazil
9
0.05
40
16
UK and USA (5)
Greece
8
0.71
12
5
UK and USA (4)
Israel
8
1.03
7
5
USA (3)
Ireland
6
1.31
24
14
UK (5)
China
6
0.00
10
7
USA (4)
South Africa
6
0.12
23
16
USA (4)
Argentina
5
0.12
24
13
Brazil, Switzerland, UK and USA (3)
Czech Republic
5
0.48
42
18
UK and USA (5)
Poland
5
0.13
23
13
UK (4)
South Korea
5
0.10
31
13
USA (4)
Austria
4
0.47
9
6
Germany (3)
Thailand
4
0.06
10
10
All countries (1)
Chile
3
0.17
10
8
Canada and USA (2)
India
3
0.00
2
2
Australia and UK (1)
Portugal
3
0.28
1
1
Canada (1)
Taiwan
3
0.13
3
3
Denmark, UK and USA (1)
Costa Rica
2
0.42
8
6
Canada and USA (2)
Hungary
2
0.20
16
14
UK and USA (2)
Pakistan
2
0.01
2
1
UK (2)
Russia
2
0.01
18
14
Belgium, Denmark, Germany, and UK (2)
Saudi Arabia
2
0.07
7
6
UK (2)
Serbia and Montenegro
2
0.28
4
2
Denmark and Italy (2)
Turkey
2
0.03
13
9
Australia, Canada, Switzerland and USA (2)
Colombia
1
0.02
6
6
All countries (1)
Cuba
1
0.09
5
5
All countries (1)
Gabon
1
0.65
10
10
All countries (1)
Ghana
1
0.04
10
10
All countries (1)
Latvia
1
0.49
12
12
All countries (1)
Mexico
1
0.01
1
1
USA (1)
Morocco
1
0.03
10
10
All countries (1)
Mozambique
1
0.04
10
10
All countries (1)
Republic of Malawi
1
0.07
1
1
UK (1)
Singapore
1
0.19
0
0
-
Tanzania 1 0.02 10 10 All countries (1)

Note: Country inhabitants (year 2011) were obtained from the World Bank.