Scimago Journal & Country Rank

JAMA - Journal of the American Medical Association

Country

United States

Universities and research institutions in United States

Subject Area and Category

Publisher

American Medical Association

H-Index

680

Publication type

Journals

ISSN

00029955, 00987484, 15383598

Coverage

1883-2020

Information

Homepage

How to publish in this journal

jamams@jamanetwork.org

Scope

JAMA, published continuously since 1883, is an international peer-reviewed general medical journal. JAMA is a member of the JAMA Network, a consortium of peer-reviewed, general medical and specialty publications. Journal Reach. JAMA is the most widely circulated general medical journal in the world, with more than 286,000 recipients of the print journal, more than 1.3 million recipients of electronic tables of contents and alerts, and nearly 27 million annual visits to the journal's website. JAMA's reach includes a growing social media presence (more than 785,000 followers on Twitter and Facebook) and vast international news media exposure. Join the conversation about this journal
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
Medicine (miscellaneous)2020Q1
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
19993.792
20004.139
20014.062
20023.978
20034.602
20045.883
20056.517
20067.095
20077.013
20087.024
20096.325
20106.346
20116.355
20126.288
20136.506
20146.421
20156.892
20167.278
20178.876
20187.477
20195.913
20204.688
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
19991370
20001341
20011268
20021239
20031129
20041065
20051066
20061204
20071100
20081132
20091207
20101186
20111134
20121181
20131297
20141301
20151296
20161330
20171611
20181658
20191731
20201793
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)19993.333
Cites / Doc. (4 years)20004.135
Cites / Doc. (4 years)20015.136
Cites / Doc. (4 years)20025.942
Cites / Doc. (4 years)20037.229
Cites / Doc. (4 years)20048.288
Cites / Doc. (4 years)20059.871
Cites / Doc. (4 years)200610.615
Cites / Doc. (4 years)20079.576
Cites / Doc. (4 years)20088.850
Cites / Doc. (4 years)20098.393
Cites / Doc. (4 years)20107.873
Cites / Doc. (4 years)20117.508
Cites / Doc. (4 years)20127.425
Cites / Doc. (4 years)20137.490
Cites / Doc. (4 years)20147.310
Cites / Doc. (4 years)20157.253
Cites / Doc. (4 years)20167.365
Cites / Doc. (4 years)20177.487
Cites / Doc. (4 years)20187.295
Cites / Doc. (4 years)20196.922
Cites / Doc. (4 years)20207.069
Cites / Doc. (3 years)19993.333
Cites / Doc. (3 years)20004.397
Cites / Doc. (3 years)20015.762
Cites / Doc. (3 years)20026.009
Cites / Doc. (3 years)20037.338
Cites / Doc. (3 years)20049.169
Cites / Doc. (3 years)200510.577
Cites / Doc. (3 years)200610.274
Cites / Doc. (3 years)20079.072
Cites / Doc. (3 years)20088.477
Cites / Doc. (3 years)20098.052
Cites / Doc. (3 years)20107.486
Cites / Doc. (3 years)20117.364
Cites / Doc. (3 years)20127.458
Cites / Doc. (3 years)20137.599
Cites / Doc. (3 years)20147.300
Cites / Doc. (3 years)20157.434
Cites / Doc. (3 years)20167.234
Cites / Doc. (3 years)20177.795
Cites / Doc. (3 years)20187.404
Cites / Doc. (3 years)20196.965
Cites / Doc. (3 years)20206.003
Cites / Doc. (2 years)19993.388
Cites / Doc. (2 years)20004.796
Cites / Doc. (2 years)20015.646
Cites / Doc. (2 years)20025.720
Cites / Doc. (2 years)20037.943
Cites / Doc. (2 years)20049.862
Cites / Doc. (2 years)20059.977
Cites / Doc. (2 years)20069.608
Cites / Doc. (2 years)20078.327
Cites / Doc. (2 years)20088.013
Cites / Doc. (2 years)20097.290
Cites / Doc. (2 years)20107.198
Cites / Doc. (2 years)20117.351
Cites / Doc. (2 years)20127.412
Cites / Doc. (2 years)20137.271
Cites / Doc. (2 years)20147.487
Cites / Doc. (2 years)20156.944
Cites / Doc. (2 years)20167.387
Cites / Doc. (2 years)20177.909
Cites / Doc. (2 years)20187.473
Cites / Doc. (2 years)20195.501
Cites / Doc. (2 years)20205.458
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 Cites1999438
Self Cites2000437
Self Cites2001509
Self Cites2002550
Self Cites2003599
Self Cites2004482
Self Cites2005461
Self Cites2006568
Self Cites2007496
Self Cites2008384
Self Cites2009443
Self Cites2010415
Self Cites2011359
Self Cites2012341
Self Cites2013358
Self Cites2014377
Self Cites2015392
Self Cites2016470
Self Cites2017445
Self Cites2018474
Self Cites2019484
Self Cites2020420
Total Cites199916321
Total Cites200020486
Total Cites200124350
Total Cites200223910
Total Cites200328237
Total Cites200433337
Total Cites200536310
Total Cites200633493
Total Cites200730255
Total Cites200828569
Total Cites200927666
Total Cites201025744
Total Cites201125957
Total Cites201226305
Total Cites201326603
Total Cites201426366
Total Cites201528094
Total Cites201628168
Total Cites201730612
Total Cites201831369
Total Cites201932033
Total Cites202030016
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 document19997.289
External Cites per document20008.274
External Cites per document20019.335
External Cites per document20028.815
External Cites per document200310.577
External Cites per document200413.509
External Cites per document200516.429
External Cites per document200616.824
External Cites per document200715.863
External Cites per document200816.005
External Cites per document200916.147
External Cites per document201015.723
External Cites per document201115.909
External Cites per document201216.381
External Cites per document201314.920
External Cites per document201412.943
External Cites per document201512.563
External Cites per document201613.342
External Cites per document201716.115
External Cites per document201814.868
External Cites per document201913.500
External Cites per document202011.266
Cites per document19993.333
Cites per document20004.397
Cites per document20015.762
Cites per document20026.009
Cites per document20037.338
Cites per document20049.169
Cites per document200510.577
Cites per document200610.274
Cites per document20079.072
Cites per document20088.477
Cites per document20098.052
Cites per document20107.486
Cites per document20117.364
Cites per document20127.458
Cites per document20137.599
Cites per document20147.300
Cites per document20157.434
Cites per document20167.234
Cites per document20177.795
Cites per document20187.404
Cites per document20196.965
Cites per document20206.003
% 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
19994.53
20007.01
20018.20
200210.01
200312.49
200419.72
200516.70
200610.96
200711.18
200814.58
200911.76
20109.70
20119.08
201210.84
201310.49
201410.68
201510.88
201612.26
20179.00
20187.78
20199.19
20209.93
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 documents19992718
Non-citable documents20002236
Non-citable documents20011672
Non-citable documents20021329
Non-citable documents20031235
Non-citable documents20041204
Non-citable documents20051251
Non-citable documents20061303
Non-citable documents20071459
Non-citable documents20081609
Non-citable documents20091750
Non-citable documents20101828
Non-citable documents20111916
Non-citable documents20121942
Non-citable documents20131742
Non-citable documents20141604
Non-citable documents20151574
Non-citable documents20161818
Non-citable documents20172055
Non-citable documents20182159
Non-citable documents20192262
Non-citable documents20202373
Citable documents19992179
Citable documents20002423
Citable documents20012554
Citable documents20022650
Citable documents20032613
Citable documents20042432
Citable documents20052182
Citable documents20061957
Citable documents20071876
Citable documents20081761
Citable documents20091686
Citable documents20101611
Citable documents20111609
Citable documents20121585
Citable documents20131759
Citable documents20142008
Citable documents20152205
Citable documents20162076
Citable documents20171872
Citable documents20182078
Citable documents20192337
Citable documents20202627
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 documents19993062
Uncited documents20002681
Uncited documents20012170
Uncited documents20021930
Uncited documents20031792
Uncited documents20041642
Uncited documents20051493
Uncited documents20061410
Uncited documents20071626
Uncited documents20081713
Uncited documents20091790
Uncited documents20101750
Uncited documents20111773
Uncited documents20121693
Uncited documents20131685
Uncited documents20141721
Uncited documents20151803
Uncited documents20161825
Uncited documents20171810
Uncited documents20182031
Uncited documents20192303
Uncited documents20202594
Cited documents19991835
Cited documents20001978
Cited documents20012056
Cited documents20022049
Cited documents20032056
Cited documents20041994
Cited documents20051940
Cited documents20061850
Cited documents20071709
Cited documents20081657
Cited documents20091646
Cited documents20101689
Cited documents20111752
Cited documents20121834
Cited documents20131816
Cited documents20141891
Cited documents20151976
Cited documents20162069
Cited documents20172117
Cited documents20182206
Cited documents20192296
Cited documents20202406
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