Scimago Journal & Country Rank

ZDM - International Journal on Mathematics Education

Country Germany  - SIR icon SIR Ranking of Germany
29
H Index
Subject Area and CategoryMathematics
Mathematics (miscellaneous)

Social Sciences
Education
PublisherSpringer Verlag
Publication typeJournals
ISSN18639704, 18639690
Coverage1997-ongoing
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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
Education1999Q4
Education2000Q4
Education2001Q4
Education2002Q4
Education2003Q3
Education2004Q2
Education2005Q2
Education2006Q2
Education2007Q3
Education2008Q2
Education2009Q2
Education2010Q2
Education2011Q2
Education2012Q2
Education2013Q2
Education2014Q1
Education2015Q1
Education2016Q1
Education2017Q1
Mathematics (miscellaneous)1999Q4
Mathematics (miscellaneous)2000Q4
Mathematics (miscellaneous)2001Q4
Mathematics (miscellaneous)2002Q4
Mathematics (miscellaneous)2003Q4
Mathematics (miscellaneous)2004Q3
Mathematics (miscellaneous)2005Q3
Mathematics (miscellaneous)2006Q3
Mathematics (miscellaneous)2007Q4
Mathematics (miscellaneous)2008Q3
Mathematics (miscellaneous)2009Q3
Mathematics (miscellaneous)2010Q2
Mathematics (miscellaneous)2011Q2
Mathematics (miscellaneous)2012Q2
Mathematics (miscellaneous)2013Q2
Mathematics (miscellaneous)2014Q2
Mathematics (miscellaneous)2015Q1
Mathematics (miscellaneous)2016Q2
Mathematics (miscellaneous)2017Q2
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
19990.161
20000.100
20010.132
20020.111
20030.163
20040.257
20050.288
20060.330
20070.202
20080.459
20090.404
20100.586
20110.523
20120.602
20130.618
20140.783
20151.094
20160.723
20170.781
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)19990.093
Cites / Doc. (4 years)20000.072
Cites / Doc. (4 years)20010.078
Cites / Doc. (4 years)20020.055
Cites / Doc. (4 years)20030.091
Cites / Doc. (4 years)20040.140
Cites / Doc. (4 years)20050.223
Cites / Doc. (4 years)20060.263
Cites / Doc. (4 years)20070.106
Cites / Doc. (4 years)20080.386
Cites / Doc. (4 years)20090.335
Cites / Doc. (4 years)20100.943
Cites / Doc. (4 years)20110.775
Cites / Doc. (4 years)20121.026
Cites / Doc. (4 years)20131.166
Cites / Doc. (4 years)20141.110
Cites / Doc. (4 years)20151.396
Cites / Doc. (4 years)20161.369
Cites / Doc. (4 years)20171.330
Cites / Doc. (3 years)19990.093
Cites / Doc. (3 years)20000.072
Cites / Doc. (3 years)20010.093
Cites / Doc. (3 years)20020.079
Cites / Doc. (3 years)20030.068
Cites / Doc. (3 years)20040.161
Cites / Doc. (3 years)20050.190
Cites / Doc. (3 years)20060.290
Cites / Doc. (3 years)20070.116
Cites / Doc. (3 years)20080.417
Cites / Doc. (3 years)20090.363
Cites / Doc. (3 years)20100.780
Cites / Doc. (3 years)20110.851
Cites / Doc. (3 years)20120.939
Cites / Doc. (3 years)20130.995
Cites / Doc. (3 years)20141.054
Cites / Doc. (3 years)20151.286
Cites / Doc. (3 years)20161.297
Cites / Doc. (3 years)20171.220
Cites / Doc. (2 years)19990.093
Cites / Doc. (2 years)20000.074
Cites / Doc. (2 years)20010.128
Cites / Doc. (2 years)20020.108
Cites / Doc. (2 years)20030.077
Cites / Doc. (2 years)20040.117
Cites / Doc. (2 years)20050.232
Cites / Doc. (2 years)20060.389
Cites / Doc. (2 years)20070.127
Cites / Doc. (2 years)20080.383
Cites / Doc. (2 years)20090.425
Cites / Doc. (2 years)20100.787
Cites / Doc. (2 years)20110.767
Cites / Doc. (2 years)20120.664
Cites / Doc. (2 years)20130.883
Cites / Doc. (2 years)20140.939
Cites / Doc. (2 years)20151.266
Cites / Doc. (2 years)20161.193
Cites / Doc. (2 years)20171.314
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 Cites19994
Self Cites20000
Self Cites20012
Self Cites20021
Self Cites20034
Self Cites20046
Self Cites20058
Self Cites200624
Self Cites20077
Self Cites200837
Self Cites200916
Self Cites201012
Self Cites201130
Self Cites201239
Self Cites201328
Self Cites201482
Self Cites201583
Self Cites201646
Self Cites201736
Total Cites19994
Total Cites20005
Total Cites20017
Total Cites20025
Total Cites20035
Total Cites200415
Total Cites200520
Total Cites200638
Total Cites200716
Total Cites200865
Total Cites200961
Total Cites2010142
Total Cites2011165
Total Cites2012184
Total Cites2013202
Total Cites2014235
Total Cites2015292
Total Cites2016336
Total Cites2017311
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 document19990.000
External Cites per document20000.072
External Cites per document20010.067
External Cites per document20020.063
External Cites per document20030.014
External Cites per document20040.097
External Cites per document20050.114
External Cites per document20060.107
External Cites per document20070.065
External Cites per document20080.179
External Cites per document20090.268
External Cites per document20100.714
External Cites per document20110.696
External Cites per document20120.740
External Cites per document20130.857
External Cites per document20140.686
External Cites per document20150.921
External Cites per document20161.120
External Cites per document20171.078
Cites per document19990.093
Cites per document20000.072
Cites per document20010.093
Cites per document20020.079
Cites per document20030.068
Cites per document20040.161
Cites per document20050.190
Cites per document20060.290
Cites per document20070.116
Cites per document20080.417
Cites per document20090.363
Cites per document20100.780
Cites per document20110.851
Cites per document20120.939
Cites per document20130.995
Cites per document20141.054
Cites per document20151.286
Cites per document20161.297
Cites per document20171.220
% 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
19990.00
20009.09
20016.25
200210.81
20034.65
200421.21
200523.08
200621.15
200716.33
200823.08
200921.21
201023.44
201123.46
201217.33
201337.21
201418.39
201522.33
201636.84
201726.67
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 documents20006
Non-citable documents20014
Non-citable documents20022
Non-citable documents20032
Non-citable documents20043
Non-citable documents20058
Non-citable documents200610
Non-citable documents200712
Non-citable documents200810
Non-citable documents200911
Non-citable documents201011
Non-citable documents201114
Non-citable documents201215
Non-citable documents201317
Non-citable documents201419
Non-citable documents201521
Non-citable documents201617
Non-citable documents201711
Citable documents199943
Citable documents200069
Citable documents200175
Citable documents200263
Citable documents200373
Citable documents200493
Citable documents2005105
Citable documents2006131
Citable documents2007138
Citable documents2008156
Citable documents2009168
Citable documents2010182
Citable documents2011194
Citable documents2012196
Citable documents2013203
Citable documents2014223
Citable documents2015227
Citable documents2016259
Citable documents2017255
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 documents199944
Uncited documents200070
Uncited documents200172
Uncited documents200262
Uncited documents200370
Uncited documents200485
Uncited documents200595
Uncited documents2006125
Uncited documents2007136
Uncited documents2008131
Uncited documents2009137
Uncited documents2010106
Uncited documents2011115
Uncited documents2012112
Uncited documents2013117
Uncited documents2014110
Uncited documents2015112
Uncited documents2016121
Uncited documents2017118
Cited documents19994
Cited documents20005
Cited documents20017
Cited documents20023
Cited documents20035
Cited documents200411
Cited documents200518
Cited documents200616
Cited documents200714
Cited documents200835
Cited documents200942
Cited documents201087
Cited documents201193
Cited documents201299
Cited documents2013103
Cited documents2014132
Cited documents2015136
Cited documents2016155
Cited documents2017148
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