Top 20 nations in psychiatry and psychology

April 28, 2011

The data above were extracted from the Essential Science Indicators database of Thomson Reuters. This database, currently covering the period January 2000 through to December 2010, surveys only articles (original research reports and review articles) in journals indexed by Thomson Reuters. Articles are assigned to a field based on the journals in which they were published and the Thomson Reuters journal-to-field scheme. Papers published in multidisciplinary journals are selectively assigned to their appropriate fields.

Both articles tabulated and citation counts to those articles are for the period indicated.

Here, the ranking in psychiatry and psychology is by citations per paper – among nations whose papers collected at least 5,000 or more citations during the period – to reveal weighted influence. For articles with multiple authors from different nations, each nation receives full, not fractional, publication and citation credit.

Essential Science Indicators lists nations ranked in the top 50 per cent for a field over a given period, based on total citations. In psychiatry and psychology, 87 nations are listed, meaning 174 were surveyed.

Thirty-one nations collected 5,000 or more citations to their papers. The world average in citation impact for the field was 11.26 during the period, so the top nine listed above surpassed that mark.

For further information on Thomson Reuters Essential Science Indicators, see http://science.thomsonreuters.com/products/esi/

Top 20 nations in psychiatry and psychology
Data provided by Thomson Reuters from its Essential Science Indicators, January 2000-December 2010
 CountryPapers %3Cb%3ECitations%3C/b%3E%3Cb%3ECitations per paper%3C/b%3E
1US126,860 1,733,038 13.66
2 England 26,507 354,954 13.39
3 Canada18,162 228,610 12.59
4 The Netherlands 11,087 138,041 12.45
5 Scotland3,173 39,459 12.44
6 New Zealand 2,524 29,972 11.87
7 Denmark 1,557 18,461 11.86
8 Wales2,154 25,432 11.81
9 Finland2,323 ,107 11.67
10 Sweden3,618 40,459 11.18
11 Hungary 502 5,519 10.99
12 Belgium3,533 38,546 10.91
%3D13 Australia12,217 129,299 10.58
%3D13Israel 4,414 46,686 10.58
15 Italy 5,416 56,345 10.40
16 Norway2,355 23,026 9.78
17 Germany18,154 172,429 9.50
18 Switzerland3,676 34,904 9.50
%3D19France6,075 56,564 9.31
%3D19Austria1,574 14,649 9.31

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