Scimago Journal & Country Rank

Circulation Journalopen access

Country Japan  - SIR icon SIR Ranking of Japan
99
H Index
Subject Area and CategoryMedicine
Cardiology and Cardiovascular Medicine
Medicine (miscellaneous)
Publisher Japanese Circulation Society
Publication typeJournals
ISSN13474820, 13469843
Coverage1996-2020
Scope Circulation publishes original research manuscripts, review articles, and other content related to cardiovascular health and disease, including observational studies, clinical trials, epidemiology, health services and outcomes studies, and advances in basic and translational research.

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Quartiles

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.

CategoryYearQuartile
Cardiology and Cardiovascular Medicine1999Q2
Cardiology and Cardiovascular Medicine2000Q2
Cardiology and Cardiovascular Medicine2001Q2
Cardiology and Cardiovascular Medicine2002Q2
Cardiology and Cardiovascular Medicine2003Q2
Cardiology and Cardiovascular Medicine2004Q1
Cardiology and Cardiovascular Medicine2005Q1
Cardiology and Cardiovascular Medicine2006Q1
Cardiology and Cardiovascular Medicine2007Q1
Cardiology and Cardiovascular Medicine2008Q1
Cardiology and Cardiovascular Medicine2009Q1
Cardiology and Cardiovascular Medicine2010Q1
Cardiology and Cardiovascular Medicine2011Q1
Cardiology and Cardiovascular Medicine2012Q1
Cardiology and Cardiovascular Medicine2013Q1
Cardiology and Cardiovascular Medicine2014Q1
Cardiology and Cardiovascular Medicine2015Q1
Cardiology and Cardiovascular Medicine2016Q1
Cardiology and Cardiovascular Medicine2017Q1
Cardiology and Cardiovascular Medicine2018Q1
Cardiology and Cardiovascular Medicine2019Q1
Medicine (miscellaneous)1999Q2
Medicine (miscellaneous)2000Q2
Medicine (miscellaneous)2001Q2
Medicine (miscellaneous)2002Q1
Medicine (miscellaneous)2003Q1
Medicine (miscellaneous)2004Q1
Medicine (miscellaneous)2005Q1
Medicine (miscellaneous)2006Q1
Medicine (miscellaneous)2007Q1
Medicine (miscellaneous)2008Q1
Medicine (miscellaneous)2009Q1
Medicine (miscellaneous)2010Q1
Medicine (miscellaneous)2011Q1
Medicine (miscellaneous)2012Q1
Medicine (miscellaneous)2013Q1
Medicine (miscellaneous)2014Q1
Medicine (miscellaneous)2015Q1
Medicine (miscellaneous)2016Q1
Medicine (miscellaneous)2017Q1
Medicine (miscellaneous)2018Q1
Medicine (miscellaneous)2019Q1
SJR

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.

YearSJR
19990.304
20000.362
20010.367
20020.461
20030.548
20040.830
20050.830
20060.951
20071.239
20081.117
20091.179
20101.338
20111.597
20121.641
20131.745
20141.647
20151.783
20161.730
20171.400
20181.329
20191.084
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)19990.588
Cites / Doc. (4 years)20000.648
Cites / Doc. (4 years)20010.852
Cites / Doc. (4 years)20021.049
Cites / Doc. (4 years)20031.223
Cites / Doc. (4 years)20041.703
Cites / Doc. (4 years)20052.071
Cites / Doc. (4 years)20062.284
Cites / Doc. (4 years)20072.583
Cites / Doc. (4 years)20082.431
Cites / Doc. (4 years)20092.820
Cites / Doc. (4 years)20103.084
Cites / Doc. (4 years)20113.342
Cites / Doc. (4 years)20123.523
Cites / Doc. (4 years)20133.998
Cites / Doc. (4 years)20143.931
Cites / Doc. (4 years)20153.841
Cites / Doc. (4 years)20163.804
Cites / Doc. (4 years)20173.176
Cites / Doc. (4 years)20183.141
Cites / Doc. (4 years)20192.823
Cites / Doc. (3 years)19990.588
Cites / Doc. (3 years)20000.670
Cites / Doc. (3 years)20010.839
Cites / Doc. (3 years)20021.127
Cites / Doc. (3 years)20031.328
Cites / Doc. (3 years)20041.887
Cites / Doc. (3 years)20052.274
Cites / Doc. (3 years)20062.413
Cites / Doc. (3 years)20072.780
Cites / Doc. (3 years)20082.544
Cites / Doc. (3 years)20093.016
Cites / Doc. (3 years)20103.258
Cites / Doc. (3 years)20113.643
Cites / Doc. (3 years)20123.888
Cites / Doc. (3 years)20134.131
Cites / Doc. (3 years)20144.147
Cites / Doc. (3 years)20154.142
Cites / Doc. (3 years)20163.889
Cites / Doc. (3 years)20173.184
Cites / Doc. (3 years)20183.094
Cites / Doc. (3 years)20192.836
Cites / Doc. (2 years)19990.606
Cites / Doc. (2 years)20000.591
Cites / Doc. (2 years)20010.843
Cites / Doc. (2 years)20021.158
Cites / Doc. (2 years)20031.471
Cites / Doc. (2 years)20042.047
Cites / Doc. (2 years)20052.384
Cites / Doc. (2 years)20062.610
Cites / Doc. (2 years)20072.928
Cites / Doc. (2 years)20082.708
Cites / Doc. (2 years)20093.071
Cites / Doc. (2 years)20103.573
Cites / Doc. (2 years)20114.157
Cites / Doc. (2 years)20124.015
Cites / Doc. (2 years)20134.146
Cites / Doc. (2 years)20144.453
Cites / Doc. (2 years)20154.243
Cites / Doc. (2 years)20163.877
Cites / Doc. (2 years)20173.021
Cites / Doc. (2 years)20183.047
Cites / Doc. (2 years)20192.571
Total Cites 
Self-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.

CitesYearValue
Self Cites199956
Self Cites200045
Self Cites2001102
Self Cites2002273
Self Cites2003334
Self Cites2004415
Self Cites2005586
Self Cites2006564
Self Cites2007613
Self Cites2008548
Self Cites2009842
Self Cites20101042
Self Cites20111027
Self Cites20121013
Self Cites2013991
Self Cites20141039
Self Cites20151031
Self Cites2016860
Self Cites2017226
Self Cites2018234
Self Cites2019205
Total Cites1999253
Total Cites2000343
Total Cites2001484
Total Cites2002700
Total Cites2003883
Total Cites20041304
Total Cites20051578
Total Cites20061771
Total Cites20072227
Total Cites20082376
Total Cites20093079
Total Cites20103574
Total Cites20113993
Total Cites20124207
Total Cites20134404
Total Cites20144350
Total Cites20154353
Total Cites20163940
Total Cites20172964
Total Cites20182494
Total Cites20192416
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.

CitesYearValue
External Cites per document19990.458
External Cites per document20000.582
External Cites per document20010.662
External Cites per document20020.688
External Cites per document20030.826
External Cites per document20041.287
External Cites per document20051.429
External Cites per document20061.644
External Cites per document20072.015
External Cites per document20081.957
External Cites per document20092.191
External Cites per document20102.308
External Cites per document20112.706
External Cites per document20122.952
External Cites per document20133.202
External Cites per document20143.156
External Cites per document20153.161
External Cites per document20163.040
External Cites per document20172.941
External Cites per document20182.804
External Cites per document20192.595
Cites per document19990.588
Cites per document20000.670
Cites per document20010.839
Cites per document20021.127
Cites per document20031.328
Cites per document20041.887
Cites per document20052.274
Cites per document20062.413
Cites per document20072.780
Cites per document20082.544
Cites per document20093.016
Cites per document20103.258
Cites per document20113.643
Cites per document20123.888
Cites per document20134.131
Cites per document20144.147
Cites per document20154.142
Cites per document20163.889
Cites per document20173.184
Cites per document20183.094
Cites per document20192.836
% 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
19992.01
20002.91
20010.88
20028.54
20033.93
20044.18
20055.92
20067.72
20079.11
200812.76
20096.38
20106.95
201110.78
20129.09
201310.37
20149.63
20159.94
201612.08
201715.77
201812.35
201913.30
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.

DocumentsYearValue
Non-citable documents19995
Non-citable documents20007
Non-citable documents200113
Non-citable documents200211
Non-citable documents200314
Non-citable documents200411
Non-citable documents200520
Non-citable documents200621
Non-citable documents200723
Non-citable documents200835
Non-citable documents200953
Non-citable documents2010118
Non-citable documents2011210
Non-citable documents2012296
Non-citable documents2013335
Non-citable documents2014340
Non-citable documents2015383
Non-citable documents2016422
Non-citable documents2017430
Non-citable documents2018363
Non-citable documents2019356
Citable documents1999430
Citable documents2000512
Citable documents2001577
Citable documents2002621
Citable documents2003665
Citable documents2004691
Citable documents2005694
Citable documents2006734
Citable documents2007801
Citable documents2008934
Citable documents20091021
Citable documents20101097
Citable documents20111096
Citable documents20121082
Citable documents20131066
Citable documents20141049
Citable documents20151051
Citable documents20161013
Citable documents2017931
Citable documents2018806
Citable documents2019852
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.

DocumentsYearValue
Uncited documents1999267
Uncited documents2000329
Uncited documents2001332
Uncited documents2002291
Uncited documents2003262
Uncited documents2004253
Uncited documents2005184
Uncited documents2006191
Uncited documents2007197
Uncited documents2008247
Uncited documents2009249
Uncited documents2010298
Uncited documents2011360
Uncited documents2012372
Uncited documents2013424
Uncited documents2014395
Uncited documents2015429
Uncited documents2016468
Uncited documents2017528
Uncited documents2018452
Uncited documents2019444
Cited documents1999168
Cited documents2000190
Cited documents2001258
Cited documents2002341
Cited documents2003417
Cited documents2004449
Cited documents2005530
Cited documents2006564
Cited documents2007627
Cited documents2008722
Cited documents2009825
Cited documents2010917
Cited documents2011946
Cited documents20121006
Cited documents2013977
Cited documents2014994
Cited documents20151005
Cited documents2016967
Cited documents2017833
Cited documents2018717
Cited documents2019764
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