Statistics

Journal Metrics

Journal Metrics 2021 2020 2019 2018 2017 2016 2015 2014 2013
Impact Factor 2.236 1.976 3.318 5.023 2.909 0.933 1.250 1.318
5-Year Impact Factor * 4.844 4.367 3.302 2.651 2.038 1.368 1.440 1.590
CiteScore 5.0 3.40 5.10 5.31 3.57 2.33 1.46 1.25 1.28
SJR 1.168 0.825 1.531 4.086 2.768 1.873 1.331 1.153 1.130
SNIP 1.068 0.784 1.536 2.841 1.831 1.200 0.934 0.755 0.751
h5-index 18 19 16 18 23 20 18 20 20
h5-median 33 33 28 29 31 27 22 34 27
* 2015 5-yr IF is (citation in 2015 to items published in 2010-2014)/(num of items published in 2010-2014)

  • Clarivate Analytics (Thomson Reuters) Impact Factor
  • SCOPUS CiteScore
  • SJR
  • SNIP
  • Google Scholar metrics
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    Impact Factors

    Year Impact Factor 5-Year Impact Factor
    2020 2.236 4.844
    2019 1.976 4.367
    2018 3.318 3.302
    2017 5.023 2.651
    2016 2.909 2.038
    2015 0.933 1.368
    2014 1.250 1.440
    2013 1.318 1.590
    2012 0.800 1.967
    2011 1.233 1.955
    2010 1.149 1.237
    2009 1.104 1.315
    2008 0.951 1.148
    2007 0.793 1.494
    2006 0.797 Not Available
    2005 0.838 Not Available
    2004 1.286 Not Available
    2003 1.243 Not Available
    2002 0.697 Not Available
    2001 1.007 Not Available

    Copyright © 2020 Clarivate

     

    Number of papers, pages

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    Year (vol) total regular issues* special issues special editions
    papers pages papers pages papers pages papers pages
    2021 (99) 76 1531 43 837 -- -- 33 694
    2020 (98) 71 1359 50 946 -- -- 21 413
    2019 (97) 66 1232 56 1084 -- -- 10 148
    2018 (96) 61 1113 34 600 27 513 2 41
    2017 (95) 23 454 23 454 -- -- -- --
    2016 (94) 43 744 28 522 14 208 1 14
    2015 (93) 45 822 34 602 9 178 3 42
    2014 (92) 44 836 27 559 13 203 4 74
    2013 (91) 61 1141 51 850 10 291 -- --
    2012 (90) 103 1709 46 815 48 733 9 161
    2011 (89) 67 1027 42 663 25 364 -- --
    2010 (88) 48 936 40 773 -- -- 8 163
    2009 (87) 85 1452 47 844 27 446 11 162
    2008 (86) 73 1226 59 990 14 236 -- --
    2007 (85) 100 1914 42 766 45 962 13 186
    2006 (84) 84 1447 64 1096 20 351 -- --

      * regular issues include "Notes and Correspondence".

     

    Number of acceptance, rejection, and withdrawal

    Year (vol) acceptance rejection withdrawal
    2021 (99) 76 29 14
    2020 (98) 71 48 32
    2019 (97) 66 38 34
    2018 (96) 61 21 21
    2017 (95) 23 26 23
    2016 (94) 28 27 21
    2015 (93) 34 20 22
    2014 (92) 27 32 22
    2013 (91) 51 37 7
    2012 (90) 46 33 13
    2011 (89) 42 38 2

     

    Days between submission and acceptance & days between acceptance and electric publication

     

    Regular Articles (including Review Articles)

    Year (vol) Number of Articles Days between submission and acceptance Days between acceptance and electric publication Days between acceptance and advanced online publication
    average minimum average minimum average minimum
    2021 (99) 38 tbd tbd tbd tbd tbd tbd
    2020 (98) 45 205.8 73 130.1 86 28.6 6
    2019 (97) 51 220.5 86 106.4 75 14.1 8
    2018 (96) 29 296.9 110 102.6 63 17.9 8
    2017 (95) 22 252.5 91 101.4 75 12.8 8
    2016 (94) 27 215.4 95 142.4 111 -- --
    2015 (93) 29 247.5 37 149.4 123 -- --
    2014 (92) 31 242.6 91 138.6 100 -- --

    Notes and Correspondence

    Year (vol) Number of notes Days between submission and acceptance Days between acceptance and electric publication Days between acceptance and advanced online publication
    average minimum average minimum average minimum
    2021 (99) 7 tbd tbd tbd tbd tbd tbd
    2020 (98) 5 162.8 114 123.2 106 26.4 10
    2019 (97) 5 108.8 57 114.6 90 16.8 10
    2018 (96) 5 105.4 75 112.8 79 17.0 12
    2017 (95) 1 133.0 133 102.0 102 24.0 24
    2016 (94) 2 133.0 98 144.0 130 -- --
    2015 (93) 7 165.9 115 145.6 131 -- --
    2014 (92) -- -- -- -- -- -- --

     

    Number of submission and published by domestic/foreign authors

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    Year (vol) Submitted Published
    total (1) foreign*1 (2) % (2)/(1) total (3) foreign*2 (4) % (4)/(3)
    2020 (98) 102 69 68 71 38 54
    2019 (97) 152 105 69 66 31 46
    2018 (96) 105 67 64 61 19 31
    2017 (95) 90 48 53 23 9 39
    2016 (94) 86 61 71 43 20 47

    *1 A corresponding author whose institution is outside Japan

    *2 First author is non-Japanese

     

    Number of Referees

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    Year of submission No. of Referees Referee/Paper
    total (5) foreign*1 (6) % (6)/(5) ref. papers (7) (5)/(7)
    2020 196 87 44 94 2.1
    2019 252 105 42 120 2.1
    2018 200 77 39 100 2.0
    2017 160 81 51 77 2.1
    2016 136 62 46 67 2.0

    *1 non-Japanese

     

    Number of Access

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    Year (vol) Journal Info Download PDF Download HTML
    2020 (98) 387,773 203,917 5,081
    2019 (97) 286,182 119,865 -
    2018 (96) 215,122 90,865 -
    2017 (95) 266,318 109,801 -
    2016 (94) 153,746 184,891 -

     

    Number of Editors

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    Year Total Foreign*
    2020 44 3
    2019 31 2
    2018 31 2
    2017 29 2
    2016 29 2

    * non-Japanese

     

    Journals Cited in JMSJ