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What is Impact Factor?

The impact factor (IF), also named as Journal Impact Factor (JIF) is a metric used to evaluate the importance of a Journal. It is determined by calculating an average number of citations received by the selected articles in that journal within the last few years.

It is proposed by the founder of the Institute for Scientific Information, Eugene Eli Garfield and is being regularly calculated beginning from 1975 for all the journals registered in the Journal Citation Reports (JCR).

For a given year, the Journal's IF is computed as the number of cites, received in that throughout the year, of the scientific articles or papers published in that particular journal during the two previous years, dividing it by the number of articles published in that journal in the previous two years.years.

It helps to measure the relative importance of journals within particular areas and to compare the journals within the same areas. The higher the JIF, the better it is ranked. Typically, journals with more review articles or papers are able to achieve higher JIF.

How it is calculated?

The calculation of IF is based on a period of two years and computes as dividing the number of times articles published in that journal were cited by the total number of articles which are citable.

$IF_x = \frac{Citations_{x-1} + Citations_{x-2}}{Publications_{x-1} + Publications_{x-2}}$

For an example, to find the impact factor of a "ABC" journal for the year 2019, we would compute:

$IF_{2019}= \frac{Citations_{2018} + Citations_{2017}}{Publications_{2018} + Publications_{2017}}$

For example, if the Journal have the following citations and publications value:

Citations2018 = 80
Citations2017 = 60
Publications2018 = 30
Publications2017 = 40
IF2016= (80 + 60) / (30 + 40) = 2

This value of IF indicates that, on an average, the articles of "ABC" Journal published in the years 2017 and 2018 have approximately received 2 (two) citations each in the year of 2019.

It is important to note here that the 2018's IF is published in the year 2019. It cannot be computed until all publications in the previous year of 2018 are processed by the indexing agency.

How do I find the impact factor of a journal?

To search the impact factor of any Journal or Conference, you can query by its title or ISSN. You can also query using the publisher name or by subject category in the search box and can select the required journal.

You can also check in detail analysis (like five years average, highest impact in the last five years, etc.) of a particular item, by clicking on the same.

Importance of Impact Factor

Impact factor gives the approximate idea about how prestigious a particular journal is in its field.

The higher the IF of the journal, the better it is ranked. By using this metric you can basically evaluate and compare the journals in similar subject categories to identify their importance.

Data Source and Statistical Analysis

We perform various analysis on the data produced by SCImago.

The SCImago Journal & Country Rank is an openly accessible portal which covers the journals and scientific indicators generated from the data present in the Scopus® database (Elsevier B.V.).

Scopus database includes the information of more than 15,000 journals from different fields from around 4,000 publishers and also covers around 1000 open access journals

We perform statistical impact analysis for various journals and conference to evaluate their impact trends. You can find here the average impact index for the last three and five years. We also present here the highest (best) and lowest (worst) impact for the last few years. To show the variation of impact data over years, we compute and show the standard deviation.

The above metrics help you to better correlate and judge the impact of any particular journal/conference. We perform all the analysis on Cites/Doc. (2 Year) metric. Also known as impact index.

Categories and Areas Covered

We cover the impact and detailed analysis of almost all the major areas and disciplines. We covered the following categories:

Endocrinology, Diabetes and Metabolism Environmental Chemistry Geology Otorhinolaryngology Small Animals Oncology (nursing) Pharmacy Pediatrics Ecology, Evolution, Behavior and Systematics Neuropsychology and Physiological Psychology Management of Technology and Innovation Pulmonary and Respiratory Medicine Mathematics (miscellaneous) Emergency Nursing Public Administration Complementary and Manual Therapy Computer Vision and Pattern Recognition Pharmaceutical Science Gerontology Health Professions (miscellaneous)

Sociology and Political Science Occupational Therapy Embryology Epidemiology Water Science and Technology Drug Discovery Food Animals Anthropology Chemical Engineering (miscellaneous) Issues, Ethics and Legal Aspects Atomic and Molecular Physics, and Optics Biochemistry Visual Arts and Performing Arts Internal Medicine Artificial Intelligence Cognitive Neuroscience Critical Care Nursing Review and Exam Preparation Paleontology Radiological and Ultrasound Technology Social Sciences (miscellaneous) Astronomy and Astrophysics Pharmacology (nursing) Management Information Systems Cardiology and Cardiovascular Medicine Developmental Biology Mechanical Engineering Cultural Studies Complementary and Alternative Medicine Nature and Landscape Conservation Hardware and Architecture Analysis Aging Pharmacology Radiation Neurology (clinical) Atmospheric Science Cancer Research Analytical Chemistry Physics and Astronomy (miscellaneous) Arts and Humanities (miscellaneous) Ophthalmology Biological Psychiatry Emergency Medical Services Agricultural and Biological Sciences (miscellaneous) Equine Developmental and Educational Psychology Insect Science Global and Planetary Change Fuel Technology Nurse Assisting Urban Studies Rheumatology Nuclear and High Energy Physics Environmental Science (miscellaneous) Applied Psychology Architecture Assessment and Diagnosis Advanced and Specialized Nursing Rehabilitation Safety Research Health, Toxicology and Mutagenesis Leadership and Management E-learning Surgery Human Factors and Ergonomics Classics Nursing (miscellaneous) Health Information Management Cellular and Molecular Neuroscience Chiropractics Immunology and Microbiology (miscellaneous) Respiratory Care Earth and Planetary Sciences (miscellaneous) Toxicology Electronic, Optical and Magnetic Materials Behavioral Neuroscience Safety, Risk, Reliability and Quality LPN and LVN Dentistry (miscellaneous) Dental Hygiene Structural Biology Statistical and Nonlinear Physics Political Science and International Relations Virology Materials Chemistry Electrical and Electronic Engineering Chemistry (miscellaneous) Aerospace Engineering Strategy and Management Marketing History Environmental Engineering Veterinary (miscellaneous) Physical and Theoretical Chemistry Reviews and References (medical) Library and Information Sciences Orthopedics and Sports Medicine Transportation Anesthesiology and Pain Medicine Energy (miscellaneous) Process Chemistry and Technology Neurology Maternity and Midwifery Clinical Biochemistry Genetics (clinical) Materials Science (miscellaneous) Forestry Education Nanoscience and Nanotechnology Statistics and Probability Geometry and Topology Archeology Signal Processing Plant Science Pollution Pediatrics, Perinatology and Child Health Medicine (miscellaneous) Colloid and Surface Chemistry Business, Management and Accounting (miscellaneous) Management, Monitoring, Policy and Law Nutrition and Dietetics Logic Clinical Psychology Periodontics Oral Surgery Molecular Medicine Genetics Condensed Matter Physics Economic Geology Soil Science Biomaterials Neuroscience (miscellaneous) Community and Home Care Animal Science and Zoology Modeling and Simulation Life-span and Life-course Studies Reproductive Medicine Health Informatics Family Practice Mathematical Physics Information Systems Anatomy Medical and Surgical Nursing Computational Mathematics Energy Engineering and Power Technology Sports Science Geography, Planning and Development Nuclear Energy and Engineering Literature and Literary Theory Acoustics and Ultrasonics Horticulture Surfaces and Interfaces Aquatic Science Urology Information Systems and Management Developmental Neuroscience Care Planning Media Technology Electrochemistry Management Science and Operations Research Economics, Econometrics and Finance (miscellaneous) Computer Networks and Communications Public Health, Environmental and Occupational Health Polymers and Plastics Drug Guides Communication Biomedical Engineering Speech and Hearing Filtration and Separation Computer Science Applications Hematology Demography Health (social science) Instrumentation Infectious Diseases Psychiatric Mental Health Applied Microbiology and Biotechnology Cell Biology Geotechnical Engineering and Engineering Geology Mechanics of Materials Obstetrics and Gynecology Food Science Radiology, Nuclear Medicine and Imaging Pharmacology (medical) Pathology and Forensic Medicine Numerical Analysis Sensory Systems Immunology and Allergy Applied Mathematics Endocrine and Autonomic Systems Gender Studies Histology Microbiology Dermatology Space and Planetary Science Computer Graphics and Computer-Aided Design Psychiatry and Mental Health Dental Assisting Social Psychology Hepatology Computer Science (miscellaneous) Law Physical Therapy, Sports Therapy and Rehabilitation Agronomy and Crop Science Renewable Energy, Sustainability and the Environment Earth-Surface Processes Accounting Orthodontics Immunology Oncology Philosophy Museology Algebra and Number Theory Ecological Modeling Psychology (miscellaneous) Biotechnology Pharmacology, Toxicology and Pharmaceutics (miscellaneous) Tourism, Leisure and Hospitality Management Statistics, Probability and Uncertainty Religious Studies Computers in Earth Sciences Finance Microbiology (medical) Development Experimental and Cognitive Psychology Language and Linguistics Parasitology Organic Chemistry Ecology Geochemistry and Petrology Archeology (arts and humanities) Research and Theory Decision Sciences (miscellaneous) Fundamentals and Skills Inorganic Chemistry Nephrology Civil and Structural Engineering Human-Computer Interaction Automotive Engineering Building and Construction History and Philosophy of Science Linguistics and Language Engineering (miscellaneous) Molecular Biology Economics and Econometrics Waste Management and Disposal Industrial Relations Chemical Health and Safety Software Oceanography Social Work Computational Theory and Mathematics Health Policy Medical Terminology Business and International Management Physiology (medical) Ceramics and Composites Podiatry Ocean Engineering Conservation Endocrinology Industrial and Manufacturing Engineering Control and Optimization Geriatrics and Gerontology Control and Systems Engineering Spectroscopy Biochemistry (medical) Geophysics Medical Laboratory Technology Metals and Alloys Organizational Behavior and Human Resource Management Biophysics Fluid Flow and Transfer Processes Multidisciplinary Transplantation Optometry Biochemistry, Genetics and Molecular Biology (miscellaneous) Music Catalysis Critical Care and Intensive Care Medicine Stratigraphy Bioengineering Emergency Medicine Gastroenterology Surfaces, Coatings and Films Physiology Discrete Mathematics and Combinatorics Medical Assisting and Transcription Computational Mechanics Theoretical Computer Science

Years Covered

So far, we have covered our impact factor analysis for the years 2018, 2017, 2016, 2015, 2014, and 2013. However, we will update soon all our analysis for the year 2019 also, once the data is available.

Top Journals and Conferences in the Related Fields

We also provide the expert suggestions for top journals and conferences which are in related fields or in same categories. This will help you to find out other top journals and conference opportunities where you can submit your research paper or article to showcase the quality of your work.

Importance of choosing Journals with High Impact Factor and Important Suggestions

It is always advised to submit your articles into a journal with high impact factor in your field. This is to show the credibility and worthiness of your research articles and your work.

It is observed that most of the reviewers judge the quality of your articles based on the referenced journal articles. Therefore, it is always recommended to cite or refer the articles from the top journals (Which are basically the one having high impact factor)

Quality of Journal Matters!