Scimago Journal & Country Rank

Journals of Gerontology - Series A Biological Sciences and Medical Sciences

Country United States  - SIR icon SIR Ranking of United States
163
H Index
Subject Area and CategoryBiochemistry, Genetics and Molecular Biology
Aging

Medicine
Geriatrics and Gerontology
PublisherOxford University Press
Publication typeJournals
ISSN10795006
Coverage1995-ongoing
Scope The Journals of Gerontology were the first journals on aging published in the United States. The tradition of excellence in these peer-reviewed scientific journals, established in 1946, continues today. The Journals of Gerontology Series A publishes within its covers the Journal of Gerontology: Biological Sciences and the Journal of Gerontology: Medical Sciences. Publishes articles on the biological aspects of aging in areas such as biochemistry, biodemography, cellular and molecular biology, comparative and evolutionary biology, endocrinology, exercise sciences, genetics, immunology, morphology, neuroscience, nutrition, pathology, pharmacology, physiology, vertebrate and invertebrate genetics, and biological underpinnings of late life diseases.

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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
Aging1999Q1
Aging2000Q1
Aging2001Q1
Aging2002Q1
Aging2003Q1
Aging2004Q1
Aging2005Q1
Aging2006Q1
Aging2007Q1
Aging2008Q1
Aging2009Q1
Aging2010Q1
Aging2011Q1
Aging2012Q1
Aging2013Q1
Aging2014Q1
Aging2015Q1
Aging2016Q1
Aging2017Q1
Geriatrics and Gerontology1999Q1
Geriatrics and Gerontology2000Q1
Geriatrics and Gerontology2001Q1
Geriatrics and Gerontology2002Q1
Geriatrics and Gerontology2003Q1
Geriatrics and Gerontology2004Q1
Geriatrics and Gerontology2005Q1
Geriatrics and Gerontology2006Q1
Geriatrics and Gerontology2007Q1
Geriatrics and Gerontology2008Q1
Geriatrics and Gerontology2009Q1
Geriatrics and Gerontology2010Q1
Geriatrics and Gerontology2011Q1
Geriatrics and Gerontology2012Q1
Geriatrics and Gerontology2013Q1
Geriatrics and Gerontology2014Q1
Geriatrics and Gerontology2015Q1
Geriatrics and Gerontology2016Q1
Geriatrics and Gerontology2017Q1
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
19990.979
20001.037
20011.076
20021.216
20031.539
20041.506
20051.467
20061.340
20071.552
20081.755
20091.753
20101.822
20112.178
20122.181
20132.550
20142.921
20152.891
20163.011
20172.916
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)19992.337
Cites / Doc. (4 years)20002.826
Cites / Doc. (4 years)20013.151
Cites / Doc. (4 years)20024.067
Cites / Doc. (4 years)20034.704
Cites / Doc. (4 years)20044.926
Cites / Doc. (4 years)20054.650
Cites / Doc. (4 years)20064.134
Cites / Doc. (4 years)20074.718
Cites / Doc. (4 years)20084.526
Cites / Doc. (4 years)20094.445
Cites / Doc. (4 years)20105.323
Cites / Doc. (4 years)20115.595
Cites / Doc. (4 years)20125.460
Cites / Doc. (4 years)20135.595
Cites / Doc. (4 years)20145.929
Cites / Doc. (4 years)20155.594
Cites / Doc. (4 years)20165.717
Cites / Doc. (4 years)20175.516
Cites / Doc. (3 years)19992.337
Cites / Doc. (3 years)20002.646
Cites / Doc. (3 years)20012.992
Cites / Doc. (3 years)20024.274
Cites / Doc. (3 years)20035.002
Cites / Doc. (3 years)20045.221
Cites / Doc. (3 years)20054.371
Cites / Doc. (3 years)20063.989
Cites / Doc. (3 years)20074.495
Cites / Doc. (3 years)20084.396
Cites / Doc. (3 years)20094.356
Cites / Doc. (3 years)20105.055
Cites / Doc. (3 years)20115.365
Cites / Doc. (3 years)20125.482
Cites / Doc. (3 years)20135.235
Cites / Doc. (3 years)20146.125
Cites / Doc. (3 years)20155.548
Cites / Doc. (3 years)20165.833
Cites / Doc. (3 years)20175.284
Cites / Doc. (2 years)19992.157
Cites / Doc. (2 years)20002.287
Cites / Doc. (2 years)20012.815
Cites / Doc. (2 years)20024.446
Cites / Doc. (2 years)20035.349
Cites / Doc. (2 years)20045.088
Cites / Doc. (2 years)20054.275
Cites / Doc. (2 years)20063.667
Cites / Doc. (2 years)20074.124
Cites / Doc. (2 years)20084.422
Cites / Doc. (2 years)20093.735
Cites / Doc. (2 years)20104.789
Cites / Doc. (2 years)20115.393
Cites / Doc. (2 years)20124.854
Cites / Doc. (2 years)20135.108
Cites / Doc. (2 years)20145.920
Cites / Doc. (2 years)20155.701
Cites / Doc. (2 years)20165.504
Cites / Doc. (2 years)20174.382
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 Cites199983
Self Cites200098
Self Cites2001154
Self Cites2002581
Self Cites2003850
Self Cites2004752
Self Cites2005207
Self Cites2006132
Self Cites2007189
Self Cites2008194
Self Cites2009158
Self Cites2010158
Self Cites2011286
Self Cites2012290
Self Cites2013321
Self Cites2014358
Self Cites2015286
Self Cites2016306
Self Cites2017189
Total Cites1999797
Total Cites20001032
Total Cites20011421
Total Cites20022312
Total Cites20032766
Total Cites20042673
Total Cites20052072
Total Cites20062134
Total Cites20072517
Total Cites20082576
Total Cites20092300
Total Cites20102674
Total Cites20112752
Total Cites20122708
Total Cites20132565
Total Cites20143093
Total Cites20153207
Total Cites20163459
Total Cites20173408
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 document19992.094
External Cites per document20002.395
External Cites per document20012.667
External Cites per document20023.200
External Cites per document20033.465
External Cites per document20043.752
External Cites per document20053.935
External Cites per document20063.742
External Cites per document20074.157
External Cites per document20084.065
External Cites per document20094.057
External Cites per document20104.756
External Cites per document20114.807
External Cites per document20124.895
External Cites per document20134.580
External Cites per document20145.416
External Cites per document20155.054
External Cites per document20165.317
External Cites per document20174.991
Cites per document19992.337
Cites per document20002.646
Cites per document20012.992
Cites per document20024.274
Cites per document20035.002
Cites per document20045.221
Cites per document20054.371
Cites per document20063.989
Cites per document20074.495
Cites per document20084.396
Cites per document20094.356
Cites per document20105.055
Cites per document20115.365
Cites per document20125.482
Cites per document20135.235
Cites per document20146.125
Cites per document20155.548
Cites per document20165.833
Cites per document20175.284
% 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
19999.77
20008.25
20016.07
20024.52
20038.11
200417.65
200520.00
200625.68
200718.01
200824.38
200922.95
201028.02
201126.67
201223.84
201326.70
201430.99
201541.15
201628.97
201722.57
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 documents19992
Non-citable documents200016
Non-citable documents200135
Non-citable documents200253
Non-citable documents200366
Non-citable documents200486
Non-citable documents2005131
Non-citable documents2006131
Non-citable documents2007104
Non-citable documents200868
Non-citable documents200967
Non-citable documents201066
Non-citable documents201153
Non-citable documents201236
Non-citable documents201329
Non-citable documents201423
Non-citable documents201527
Non-citable documents201632
Non-citable documents201741
Citable documents1999341
Citable documents2000390
Citable documents2001475
Citable documents2002541
Citable documents2003553
Citable documents2004512
Citable documents2005474
Citable documents2006535
Citable documents2007560
Citable documents2008586
Citable documents2009528
Citable documents2010529
Citable documents2011513
Citable documents2012494
Citable documents2013490
Citable documents2014505
Citable documents2015578
Citable documents2016593
Citable documents2017645
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 documents199992
Uncited documents2000107
Uncited documents2001104
Uncited documents2002108
Uncited documents2003113
Uncited documents200486
Uncited documents2005153
Uncited documents2006182
Uncited documents2007148
Uncited documents2008121
Uncited documents2009113
Uncited documents201095
Uncited documents201183
Uncited documents201269
Uncited documents201358
Uncited documents201454
Uncited documents201572
Uncited documents201679
Uncited documents201786
Cited documents1999251
Cited documents2000299
Cited documents2001406
Cited documents2002486
Cited documents2003506
Cited documents2004512
Cited documents2005452
Cited documents2006484
Cited documents2007516
Cited documents2008533
Cited documents2009482
Cited documents2010500
Cited documents2011483
Cited documents2012461
Cited documents2013461
Cited documents2014474
Cited documents2015533
Cited documents2016546
Cited documents2017600
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