Scimago Journal & Country Rank

International Journal of COPDopen access


New Zealand

Universities and research institutions in New Zealand

Subject Area and Category


Dove Medical Press Ltd.



Publication type



11782005, 11769106





How to publish in this journal


The International Journal of Chronic Obstructive Pulmonary Disease is an international, peer-reviewed journal of therapeutics and pharmacology focusing on concise rapid reporting of clinical studies and reviews in COPD. Special focus will be given to the pathophysiological processes underlying the disease, intervention programs, patient focused education, and self management protocols. This journal is directed at specialists and healthcare professionals. Join the conversation about this journal

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.

Health Policy2007Q3
Health Policy2008Q3
Health Policy2009Q2
Health Policy2010Q2
Health Policy2011Q1
Health Policy2012Q1
Health Policy2013Q1
Health Policy2014Q1
Health Policy2015Q1
Health Policy2016Q1
Health Policy2017Q1
Health Policy2018Q1
Health Policy2019Q1
Medicine (miscellaneous)2007Q2
Medicine (miscellaneous)2008Q3
Medicine (miscellaneous)2009Q2
Medicine (miscellaneous)2010Q2
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
Public Health, Environmental and Occupational Health2007Q3
Public Health, Environmental and Occupational Health2008Q3
Public Health, Environmental and Occupational Health2009Q2
Public Health, Environmental and Occupational Health2010Q2
Public Health, Environmental and Occupational Health2011Q1
Public Health, Environmental and Occupational Health2012Q1
Public Health, Environmental and Occupational Health2013Q1
Public Health, Environmental and Occupational Health2014Q1
Public Health, Environmental and Occupational Health2015Q1
Public Health, Environmental and Occupational Health2016Q1
Public Health, Environmental and Occupational Health2017Q1
Public Health, Environmental and Occupational Health2018Q1
Public Health, Environmental and Occupational Health2019Q1
Pulmonary and Respiratory Medicine2007Q3
Pulmonary and Respiratory Medicine2008Q3
Pulmonary and Respiratory Medicine2009Q2
Pulmonary and Respiratory Medicine2010Q2
Pulmonary and Respiratory Medicine2011Q1
Pulmonary and Respiratory Medicine2012Q1
Pulmonary and Respiratory Medicine2013Q1
Pulmonary and Respiratory Medicine2014Q1
Pulmonary and Respiratory Medicine2015Q1
Pulmonary and Respiratory Medicine2016Q1
Pulmonary and Respiratory Medicine2017Q1
Pulmonary and Respiratory Medicine2018Q1
Pulmonary and Respiratory Medicine2019Q1

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.

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)20060.000
Cites / Doc. (4 years)20070.380
Cites / Doc. (4 years)20080.824
Cites / Doc. (4 years)20091.313
Cites / Doc. (4 years)20102.058
Cites / Doc. (4 years)20112.927
Cites / Doc. (4 years)20123.271
Cites / Doc. (4 years)20133.888
Cites / Doc. (4 years)20143.806
Cites / Doc. (4 years)20153.972
Cites / Doc. (4 years)20163.795
Cites / Doc. (4 years)20173.388
Cites / Doc. (4 years)20183.718
Cites / Doc. (4 years)20193.072
Cites / Doc. (3 years)20060.000
Cites / Doc. (3 years)20070.380
Cites / Doc. (3 years)20080.824
Cites / Doc. (3 years)20091.313
Cites / Doc. (3 years)20102.177
Cites / Doc. (3 years)20113.113
Cites / Doc. (3 years)20123.189
Cites / Doc. (3 years)20133.651
Cites / Doc. (3 years)20143.930
Cites / Doc. (3 years)20154.064
Cites / Doc. (3 years)20163.620
Cites / Doc. (3 years)20173.397
Cites / Doc. (3 years)20183.480
Cites / Doc. (3 years)20193.007
Cites / Doc. (2 years)20060.000
Cites / Doc. (2 years)20070.380
Cites / Doc. (2 years)20080.824
Cites / Doc. (2 years)20091.285
Cites / Doc. (2 years)20102.423
Cites / Doc. (2 years)20113.053
Cites / Doc. (2 years)20122.758
Cites / Doc. (2 years)20133.890
Cites / Doc. (2 years)20143.853
Cites / Doc. (2 years)20153.807
Cites / Doc. (2 years)20163.611
Cites / Doc. (2 years)20173.015
Cites / Doc. (2 years)20183.343
Cites / Doc. (2 years)20192.883
Total 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.

Self Cites20060
Self Cites20076
Self Cites200814
Self Cites20098
Self Cites20105
Self Cites201141
Self Cites201225
Self Cites201365
Self Cites201486
Self Cites2015202
Self Cites2016251
Self Cites2017417
Self Cites2018551
Self Cites2019359
Total Cites20060
Total Cites200719
Total Cites200898
Total Cites2009264
Total Cites2010418
Total Cites2011551
Total Cites2012539
Total Cites2013763
Total Cites2014904
Total Cites20151150
Total Cites20161669
Total Cites20172415
Total Cites20183226
Total Cites20193154
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.

External Cites per document20060
External Cites per document20070.260
External Cites per document20080.706
External Cites per document20091.274
External Cites per document20102.151
External Cites per document20112.881
External Cites per document20123.041
External Cites per document20133.340
External Cites per document20143.557
External Cites per document20153.350
External Cites per document20163.076
External Cites per document20172.810
External Cites per document20182.886
External Cites per document20192.664
Cites per document20060.000
Cites per document20070.380
Cites per document20080.824
Cites per document20091.313
Cites per document20102.177
Cites per document20113.113
Cites per document20123.189
Cites per document20133.651
Cites per document20143.930
Cites per document20154.064
Cites per document20163.620
Cites per document20173.397
Cites per document20183.480
Cites per document20193.007
% 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
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.

Non-citable documents20060
Non-citable documents20073
Non-citable documents200810
Non-citable documents200911
Non-citable documents201010
Non-citable documents20115
Non-citable documents20124
Non-citable documents20137
Non-citable documents201418
Non-citable documents201527
Non-citable documents201634
Non-citable documents201742
Non-citable documents201859
Non-citable documents201964
Citable documents20060
Citable documents200750
Citable documents2008119
Citable documents2009201
Citable documents2010192
Citable documents2011177
Citable documents2012169
Citable documents2013209
Citable documents2014230
Citable documents2015283
Citable documents2016461
Citable documents2017711
Citable documents2018927
Citable documents20191049
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.

Uncited documents20060
Uncited documents200744
Uncited documents200863
Uncited documents200986
Uncited documents201048
Uncited documents201134
Uncited documents201243
Uncited documents201344
Uncited documents201457
Uncited documents201564
Uncited documents2016100
Uncited documents2017143
Uncited documents2018176
Uncited documents2019219
Cited documents20060
Cited documents20079
Cited documents200866
Cited documents2009126
Cited documents2010154
Cited documents2011148
Cited documents2012130
Cited documents2013172
Cited documents2014191
Cited documents2015246
Cited documents2016395
Cited documents2017610
Cited documents2018810
Cited documents2019894
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