Scimago Journal & Country Rank

New England Journal of Medicine

Country United States  - SIR icon
987
H Index
Subject Area and CategoryMedicine
Medicine (miscellaneous)
Publisher Massachussetts Medical Society
Publication typeJournals
ISSN00284793, 15334406
Coverage1945-2020
Scope The New England Journal of Medicine (NEJM) is the world’s leading medical journal and website. Published continuously for over 200 years, NEJM delivers high-quality, peer-reviewed research and interactive clinical content to physicians, educators, and the global medical community. Our mission is to bring physicians the best research and information at the intersection of biomedical science and clinical practice and to present this information in understandable and clinically useful formats that inform health care delivery and improve patient outcomes.

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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
Medicine (miscellaneous)1999Q1
Medicine (miscellaneous)2000Q1
Medicine (miscellaneous)2001Q1
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
19997.361
20008.367
20018.571
20029.315
200310.407
200411.349
20059.888
200610.173
200710.481
200811.386
200911.765
201013.149
201113.674
201213.984
201314.796
201416.259
201516.591
201618.009
201719.476
201819.524
201918.291
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)199918.694
Cites / Doc. (4 years)200020.877
Cites / Doc. (4 years)200123.523
Cites / Doc. (4 years)200226.192
Cites / Doc. (4 years)200329.660
Cites / Doc. (4 years)200432.255
Cites / Doc. (4 years)200530.898
Cites / Doc. (4 years)200630.816
Cites / Doc. (4 years)200729.411
Cites / Doc. (4 years)200829.105
Cites / Doc. (4 years)200931.873
Cites / Doc. (4 years)201032.951
Cites / Doc. (4 years)201132.647
Cites / Doc. (4 years)201234.182
Cites / Doc. (4 years)201333.852
Cites / Doc. (4 years)201434.285
Cites / Doc. (4 years)201534.666
Cites / Doc. (4 years)201637.778
Cites / Doc. (4 years)201739.143
Cites / Doc. (4 years)201840.730
Cites / Doc. (4 years)201941.701
Cites / Doc. (3 years)199918.694
Cites / Doc. (3 years)200021.012
Cites / Doc. (3 years)200124.139
Cites / Doc. (3 years)200227.278
Cites / Doc. (3 years)200331.283
Cites / Doc. (3 years)200432.720
Cites / Doc. (3 years)200529.343
Cites / Doc. (3 years)200629.855
Cites / Doc. (3 years)200729.079
Cites / Doc. (3 years)200830.105
Cites / Doc. (3 years)200932.120
Cites / Doc. (3 years)201033.221
Cites / Doc. (3 years)201133.302
Cites / Doc. (3 years)201233.694
Cites / Doc. (3 years)201333.810
Cites / Doc. (3 years)201434.981
Cites / Doc. (3 years)201535.254
Cites / Doc. (3 years)201639.370
Cites / Doc. (3 years)201741.395
Cites / Doc. (3 years)201843.835
Cites / Doc. (3 years)201940.272
Cites / Doc. (2 years)199918.086
Cites / Doc. (2 years)200020.597
Cites / Doc. (2 years)200123.771
Cites / Doc. (2 years)200228.872
Cites / Doc. (2 years)200331.555
Cites / Doc. (2 years)200430.688
Cites / Doc. (2 years)200527.524
Cites / Doc. (2 years)200628.722
Cites / Doc. (2 years)200729.769
Cites / Doc. (2 years)200829.680
Cites / Doc. (2 years)200931.728
Cites / Doc. (2 years)201034.104
Cites / Doc. (2 years)201132.365
Cites / Doc. (2 years)201232.309
Cites / Doc. (2 years)201333.921
Cites / Doc. (2 years)201434.492
Cites / Doc. (2 years)201535.430
Cites / Doc. (2 years)201641.379
Cites / Doc. (2 years)201745.044
Cites / Doc. (2 years)201839.951
Cites / Doc. (2 years)201940.148
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 Cites1999378
Self Cites2000386
Self Cites2001476
Self Cites2002381
Self Cites2003482
Self Cites2004531
Self Cites2005519
Self Cites2006635
Self Cites2007579
Self Cites2008510
Self Cites2009527
Self Cites2010553
Self Cites2011626
Self Cites2012562
Self Cites2013602
Self Cites2014597
Self Cites2015558
Self Cites2016620
Self Cites2017629
Self Cites2018514
Self Cites2019521
Total Cites199932789
Total Cites200036981
Total Cites200140384
Total Cites200243045
Total Cites200347676
Total Cites200454446
Total Cites200556690
Total Cites200662456
Total Cites200761299
Total Cites200860180
Total Cites200962538
Total Cites201067738
Total Cites201169901
Total Cites201273284
Total Cites201372591
Total Cites201475385
Total Cites201575796
Total Cites201682480
Total Cites201781962
Total Cites201882935
Total Cites201974865
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 document199918.478
External Cites per document200020.793
External Cites per document200123.854
External Cites per document200227.037
External Cites per document200330.967
External Cites per document200432.401
External Cites per document200529.074
External Cites per document200629.551
External Cites per document200728.805
External Cites per document200829.850
External Cites per document200931.850
External Cites per document201032.950
External Cites per document201133.004
External Cites per document201233.435
External Cites per document201333.530
External Cites per document201434.704
External Cites per document201534.994
External Cites per document201639.074
External Cites per document201741.077
External Cites per document201843.563
External Cites per document201939.991
Cites per document199918.694
Cites per document200021.012
Cites per document200124.139
Cites per document200227.278
Cites per document200331.283
Cites per document200432.720
Cites per document200529.343
Cites per document200629.855
Cites per document200729.079
Cites per document200830.105
Cites per document200932.120
Cites per document201033.221
Cites per document201133.302
Cites per document201233.694
Cites per document201333.810
Cites per document201434.981
Cites per document201535.254
Cites per document201639.370
Cites per document201741.395
Cites per document201843.835
Cites per document201940.272
% 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
19996.59
200010.05
200116.64
20029.58
200324.79
200424.54
200523.57
200611.22
200714.26
200814.45
200914.67
201014.02
201115.71
201215.46
201315.44
201419.36
201518.25
201620.34
201721.26
201817.15
201924.73
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 documents19991914
Non-citable documents20001954
Non-citable documents20011942
Non-citable documents20021885
Non-citable documents20031811
Non-citable documents20041804
Non-citable documents20051788
Non-citable documents20061784
Non-citable documents20072254
Non-citable documents20082772
Non-citable documents20093191
Non-citable documents20103010
Non-citable documents20112908
Non-citable documents20122853
Non-citable documents20132788
Non-citable documents20142710
Non-citable documents20152676
Non-citable documents20162784
Non-citable documents20172987
Non-citable documents20182944
Non-citable documents20192738
Citable documents19991754
Citable documents20001760
Citable documents20011673
Citable documents20021578
Citable documents20031524
Citable documents20041664
Citable documents20051932
Citable documents20062092
Citable documents20072108
Citable documents20081999
Citable documents20091947
Citable documents20102039
Citable documents20112099
Citable documents20122175
Citable documents20132147
Citable documents20142155
Citable documents20152150
Citable documents20162095
Citable documents20171980
Citable documents20181892
Citable documents20191859
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 documents19991714
Uncited documents20001639
Uncited documents20011536
Uncited documents20021383
Uncited documents20031236
Uncited documents20041249
Uncited documents20051313
Uncited documents20061365
Uncited documents20071788
Uncited documents20082201
Uncited documents20092547
Uncited documents20102434
Uncited documents20112407
Uncited documents20122375
Uncited documents20132344
Uncited documents20142125
Uncited documents20151986
Uncited documents20161877
Uncited documents20172005
Uncited documents20181929
Uncited documents20191811
Cited documents19991954
Cited documents20002075
Cited documents20012079
Cited documents20022080
Cited documents20032099
Cited documents20042219
Cited documents20052407
Cited documents20062511
Cited documents20072574
Cited documents20082570
Cited documents20092591
Cited documents20102615
Cited documents20112600
Cited documents20122653
Cited documents20132591
Cited documents20142740
Cited documents20152840
Cited documents20163002
Cited documents20172962
Cited documents20182907
Cited documents20192786
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