Scimago Journal & Country Rank

Japan Medical Association Journal

Country Japan  - SIR icon SIR Ranking of Japan
H Index
Subject Area and CategoryMedicine
Medicine (miscellaneous)
PublisherJapan Medical Association/Nihon Ishi Kai
Publication typeJournals
Scope The Japan Medical Association (JMA) is the national voice of Japanese physicians. Founded in 1916 and then re-established in its current form in 1947, the JMA"s mission is to provide leadership for physicians and to promote the highest standards of medical ethics and education to protect the health of all Japanese citizens. On behalf of its members and the general public in Japan, the JMA performs a wide variety of functions, such as advocating health promotion and patient safety policies and strategies, advocating access to quality health care in local communities, and providing leadership and guidance to physicians to help them influence, manage and adapt to changes in health care delivery.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Medicine (miscellaneous)2006Q4
Medicine (miscellaneous)2007Q4
Medicine (miscellaneous)2008Q4
Medicine (miscellaneous)2009Q4
Medicine (miscellaneous)2010Q3
Medicine (miscellaneous)2011Q4
Medicine (miscellaneous)2012Q4
Medicine (miscellaneous)2013Q4
Medicine (miscellaneous)2014Q4
Medicine (miscellaneous)2015Q4
Medicine (miscellaneous)2016Q4
Medicine (miscellaneous)2017Q4

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)20050.000
Cites / Doc. (4 years)20060.087
Cites / Doc. (4 years)20070.096
Cites / Doc. (4 years)20080.135
Cites / Doc. (4 years)20090.141
Cites / Doc. (4 years)20100.113
Cites / Doc. (4 years)20110.110
Cites / Doc. (4 years)20120.112
Cites / Doc. (4 years)20130.297
Cites / Doc. (4 years)20140.197
Cites / Doc. (4 years)20150.138
Cites / Doc. (4 years)20160.147
Cites / Doc. (4 years)20170.133
Cites / Doc. (3 years)20050.000
Cites / Doc. (3 years)20060.087
Cites / Doc. (3 years)20070.096
Cites / Doc. (3 years)20080.135
Cites / Doc. (3 years)20090.066
Cites / Doc. (3 years)20100.109
Cites / Doc. (3 years)20110.111
Cites / Doc. (3 years)20120.144
Cites / Doc. (3 years)20130.159
Cites / Doc. (3 years)20140.142
Cites / Doc. (3 years)20150.114
Cites / Doc. (3 years)20160.107
Cites / Doc. (3 years)20170.128
Cites / Doc. (2 years)20050.000
Cites / Doc. (2 years)20060.087
Cites / Doc. (2 years)20070.096
Cites / Doc. (2 years)20080.058
Cites / Doc. (2 years)20090.013
Cites / Doc. (2 years)20100.116
Cites / Doc. (2 years)20110.132
Cites / Doc. (2 years)20120.128
Cites / Doc. (2 years)20130.136
Cites / Doc. (2 years)20140.086
Cites / Doc. (2 years)20150.132
Cites / Doc. (2 years)20160.095
Cites / Doc. (2 years)20170.119
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites20050
Self Cites20061
Self Cites20070
Self Cites20080
Self Cites20092
Self Cites201015
Self Cites20111
Self Cites20121
Self Cites20132
Self Cites20141
Self Cites20155
Self Cites20162
Self Cites20170
Total Cites20050
Total Cites20068
Total Cites200715
Total Cites200831
Total Cites200914
Total Cites201025
Total Cites201125
Total Cites201233
Total Cites201337
Total Cites201431
Total Cites201520
Total Cites201615
Total Cites201712
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document20050
External Cites per document20060.076
External Cites per document20070.096
External Cites per document20080.135
External Cites per document20090.056
External Cites per document20100.044
External Cites per document20110.106
External Cites per document20120.140
External Cites per document20130.150
External Cites per document20140.138
External Cites per document20150.086
External Cites per document20160.093
External Cites per document20170.128
Cites per document20050.000
Cites per document20060.087
Cites per document20070.096
Cites per document20080.135
Cites per document20090.066
Cites per document20100.109
Cites per document20110.111
Cites per document20120.144
Cites per document20130.159
Cites per document20140.142
Cites per document20150.114
Cites per document20160.107
Cites per document20170.128
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents20050
Non-citable documents200613
Non-citable documents200722
Non-citable documents200832
Non-citable documents200929
Non-citable documents201026
Non-citable documents201132
Non-citable documents201228
Non-citable documents201347
Non-citable documents201457
Non-citable documents201559
Non-citable documents201647
Non-citable documents201736
Citable documents20050
Citable documents200692
Citable documents2007156
Citable documents2008230
Citable documents2009213
Citable documents2010229
Citable documents2011226
Citable documents2012229
Citable documents2013233
Citable documents2014218
Citable documents2015175
Citable documents2016140
Citable documents201794
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents20050
Uncited documents200697
Uncited documents2007170
Uncited documents2008242
Uncited documents2009232
Uncited documents2010233
Uncited documents2011237
Uncited documents2012236
Uncited documents2013259
Uncited documents2014249
Uncited documents2015218
Uncited documents2016174
Uncited documents2017123
Cited documents20050
Cited documents20068
Cited documents20078
Cited documents200820
Cited documents200910
Cited documents201022
Cited documents201121
Cited documents201221
Cited documents201321
Cited documents201426
Cited documents201516
Cited documents201613
Cited documents20177
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