Scimago Journal & Country Rank

Classical and Quantum Gravity

CountryUnited Kingdom
H Index
Subject Area and CategoryPhysics and Astronomy
Physics and Astronomy (miscellaneous)
PublisherInstitute of Physics Publishing
Publication typeJournals
Scope Classical and Quantum Gravity welcomes original research articles on all branches of gravitational physics and the theory of spacetime. The readership of the journal is broad, comprising gravitational theorists and experimentalists in physics, mathematics and cosmology. All articles should be of interest to this broad readership and should contain a summary that places the findings in the wider context of gravitational physics. (source)

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.

Physics and Astronomy (miscellaneous)1997Q1
Physics and Astronomy (miscellaneous)1998Q1
Physics and Astronomy (miscellaneous)1999Q1
Physics and Astronomy (miscellaneous)2000Q2
Physics and Astronomy (miscellaneous)2001Q1
Physics and Astronomy (miscellaneous)2002Q1
Physics and Astronomy (miscellaneous)2003Q1
Physics and Astronomy (miscellaneous)2004Q1
Physics and Astronomy (miscellaneous)2005Q1
Physics and Astronomy (miscellaneous)2006Q1
Physics and Astronomy (miscellaneous)2007Q1
Physics and Astronomy (miscellaneous)2008Q1
Physics and Astronomy (miscellaneous)2009Q1
Physics and Astronomy (miscellaneous)2010Q1
Physics and Astronomy (miscellaneous)2011Q1
Physics and Astronomy (miscellaneous)2012Q1
Physics and Astronomy (miscellaneous)2013Q1
Physics and Astronomy (miscellaneous)2014Q1
Physics and Astronomy (miscellaneous)2015Q1
Physics and Astronomy (miscellaneous)2016Q1

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)19991.540
Cites / Doc. (4 years)20001.529
Cites / Doc. (4 years)20011.569
Cites / Doc. (4 years)20021.731
Cites / Doc. (4 years)20031.760
Cites / Doc. (4 years)20042.150
Cites / Doc. (4 years)20052.448
Cites / Doc. (4 years)20062.620
Cites / Doc. (4 years)20072.446
Cites / Doc. (4 years)20082.726
Cites / Doc. (4 years)20092.674
Cites / Doc. (4 years)20102.695
Cites / Doc. (4 years)20112.805
Cites / Doc. (4 years)20122.885
Cites / Doc. (4 years)20132.766
Cites / Doc. (4 years)20142.929
Cites / Doc. (4 years)20152.480
Cites / Doc. (4 years)20162.419
Cites / Doc. (3 years)19991.540
Cites / Doc. (3 years)20001.638
Cites / Doc. (3 years)20011.685
Cites / Doc. (3 years)20021.771
Cites / Doc. (3 years)20031.867
Cites / Doc. (3 years)20042.296
Cites / Doc. (3 years)20052.668
Cites / Doc. (3 years)20062.855
Cites / Doc. (3 years)20072.613
Cites / Doc. (3 years)20082.937
Cites / Doc. (3 years)20092.792
Cites / Doc. (3 years)20102.819
Cites / Doc. (3 years)20112.983
Cites / Doc. (3 years)20123.112
Cites / Doc. (3 years)20132.944
Cites / Doc. (3 years)20143.110
Cites / Doc. (3 years)20152.545
Cites / Doc. (3 years)20162.446
Cites / Doc. (2 years)19991.612
Cites / Doc. (2 years)20001.730
Cites / Doc. (2 years)20011.703
Cites / Doc. (2 years)20021.921
Cites / Doc. (2 years)20032.019
Cites / Doc. (2 years)20042.552
Cites / Doc. (2 years)20052.885
Cites / Doc. (2 years)20063.022
Cites / Doc. (2 years)20072.896
Cites / Doc. (2 years)20083.114
Cites / Doc. (2 years)20092.861
Cites / Doc. (2 years)20103.056
Cites / Doc. (2 years)20113.252
Cites / Doc. (2 years)20123.239
Cites / Doc. (2 years)20133.014
Cites / Doc. (2 years)20143.258
Cites / Doc. (2 years)20152.516
Cites / Doc. (2 years)20162.550
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 Cites1999319
Self Cites2000314
Self Cites2001491
Self Cites2002449
Self Cites2003577
Self Cites2004851
Self Cites2005900
Self Cites2006968
Self Cites2007969
Self Cites2008915
Self Cites20091002
Self Cites2010801
Self Cites2011724
Self Cites2012491
Self Cites2013629
Self Cites2014568
Self Cites2015379
Self Cites2016273
Total Cites19991329
Total Cites20001443
Total Cites20011591
Total Cites20021900
Total Cites20032338
Total Cites20043175
Total Cites20054234
Total Cites20064500
Total Cites20074249
Total Cites20084318
Total Cites20094141
Total Cites20104012
Total Cites20114320
Total Cites20124404
Total Cites20133927
Total Cites20143965
Total Cites20153173
Total Cites20163261
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 document19991.170
External Cites per document20001.281
External Cites per document20011.165
External Cites per document20021.352
External Cites per document20031.407
External Cites per document20041.680
External Cites per document20052.101
External Cites per document20062.241
External Cites per document20072.017
External Cites per document20082.315
External Cites per document20092.117
External Cites per document20102.257
External Cites per document20112.483
External Cites per document20122.765
External Cites per document20132.472
External Cites per document20142.664
External Cites per document20152.241
External Cites per document20162.242
Cites per document19991.540
Cites per document20001.638
Cites per document20011.685
Cites per document20021.771
Cites per document20031.867
Cites per document20042.296
Cites per document20052.668
Cites per document20062.855
Cites per document20072.613
Cites per document20082.937
Cites per document20092.792
Cites per document20102.819
Cites per document20112.983
Cites per document20123.112
Cites per document20132.944
Cites per document20143.110
Cites per document20152.545
Cites per document20162.446
% 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 documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20036
Non-citable documents200411
Non-citable documents200518
Non-citable documents200622
Non-citable documents200728
Non-citable documents200830
Non-citable documents200927
Non-citable documents201024
Non-citable documents201127
Non-citable documents201230
Non-citable documents201335
Non-citable documents201435
Non-citable documents201531
Non-citable documents201624
Citable documents1999863
Citable documents2000881
Citable documents2001944
Citable documents20021073
Citable documents20031252
Citable documents20041383
Citable documents20051587
Citable documents20061576
Citable documents20071626
Citable documents20081470
Citable documents20091483
Citable documents20101423
Citable documents20111448
Citable documents20121415
Citable documents20131334
Citable documents20141275
Citable documents20151247
Citable documents20161333
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 documents1999370
Uncited documents2000356
Uncited documents2001401
Uncited documents2002413
Uncited documents2003477
Uncited documents2004486
Uncited documents2005535
Uncited documents2006489
Uncited documents2007558
Uncited documents2008433
Uncited documents2009477
Uncited documents2010437
Uncited documents2011462
Uncited documents2012408
Uncited documents2013411
Uncited documents2014376
Uncited documents2015418
Uncited documents2016467
Cited documents1999493
Cited documents2000525
Cited documents2001543
Cited documents2002660
Cited documents2003781
Cited documents2004908
Cited documents20051070
Cited documents20061109
Cited documents20071096
Cited documents20081067
Cited documents20091033
Cited documents20101010
Cited documents20111013
Cited documents20121037
Cited documents2013958
Cited documents2014934
Cited documents2015860
Cited documents2016890
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