Clarivate Announces Changes to Journal Citation Reports 2023

All Web of Science Core Collection journals, including Arts and Humanities, will have journal impact factors

London, UK, July 26, 2022 – Clarivate Plc (NYSE:CLVT), a global leader in providing insight and trusted insights to accelerate the pace of innovation, today announced that in the 2023 release of Journal Citation Reports™, all Web of Science Core Collection™ journals will receive a Journal Impact Factor (JIF)™. This means expanding the JIF from Science Citation Index Expanded (SCIE)™ and Social Science Citation Index (SSCI)™ to include journals from the Arts and Humanities Citation Index (AHCI)™ and Emerging Sources Citation Index (ESCI) ™ multidisciplinary.

The JCR’s annual publication enables the research community, publishers and librarians to assess and compare the scholarly impact of the world’s high-quality journals using a range of indicators, descriptive data and visualizations.

By extending the JIF to all journals that have passed the Web of Science’s stringent quality criteria, this latest enhancement helps level the playing field for all quality journals, including newly launched journals, open access journals , journals with a niche or regional scope and journals from the Global South.

It means that:

  • Almost 9,000 journals – from more than 3,000 publishers, many of them smaller publishers in the developing world – will for the first time have a JIF.
  • There will be a 8% increase in gold open access journals that will have a JIF.
  • There will be a minimum 5% increase in Global South journals[1] which will have a JIF.

Additionally, the 2023 version of Journal Citation Reports will display the JIF with one decimal place, instead of the current three decimal places, to encourage users to consider the JCR’s other indicators and descriptive data when comparing journals.

Dr Nandita Quaderi, Editor-in-Chief and Editorial Vice President, Web of Science said:

“To accelerate the pace of innovation research, funders, institutions and researchers need to be able to make decisions based on quality data they can trust. We have made the decision to display journal impact factors for all journals indexed in the Web of Science Core Collection as part of our ongoing commitment to the integrity of scientific records. Our rigorous selection process allows us to keep unreliable journals out of our indexes, which, together with our careful data curation, means that the research community can trust the Journal Citation Reports data and metrics.

“Giving all quality journals a Journal Impact Factor will ensure full transparency of the articles and citations that have contributed to impact, and therefore help them demonstrate their value to the research community. This decision is aligned with our position that publications in all quality journals, not just highly cited journals, should be eligible for inclusion in research assessment exercises.

No changes will be made to the JCR until the next annual version in June 2023.

Ludo Waltman, Professor of Quantitative Scientific Studies at the Center for Science and Technology Studies (CWTS) at Leiden University, the Netherlands, said: “JIF must co-evolve with the changing expectations of researchers, research directors and evaluators. I welcome the extension of JIF to all journals in the Web of Science Core Collection. This is an important step towards a more inclusive view of the journal landscape.

Dr. Quaderi adds, “Community consultation on these changes included one-on-one discussions with publishers, librarians and bibliometricians as well as quantitative community surveys. We encourage anyone with further feedback on the changes to contact us at [email protected]

A history of responsible evaluation of product research and innovation

Clarivate’s Institute for Scientific Information (ISI)™ has a long history of promoting integrity in research and evaluation. In their global research reports and academic articles, they have already explained what best practice in research assessment should look like, from their 2019 report Profiles Not Metrics, to submitting evidence to the Parliamentary Committee on the science and technology in the UK and European Coalition for the Reform of Research Evaluation. The 2020 report Research Integrity: Understanding our shared responsibility for a sustainable scholarly ecosystem reviews the different types of behaviors that compromise research integrity.

Each review profile in the JCR provides a rich set of review intelligence metrics and allows users to filter by category and rating. These include:

  • The Journal Citation Indicator, which represents the average normalized citation impact by category for articles published in the previous three-year period. All JCR journals have been eligible to receive this metric from 2021
  • The immediacy index, which measures the frequency with which the content of the journal is cited during the same year of publication;
  • The ranking of the journal in the category, determined by Journal Impact Factor, expressed as a percentile;
  • Cited half-life, which is the median age, in years, of journal articles that were cited during the JCR year.

Additionally, Journal Citation Reports include descriptive data such as open access content, top contributing institutions and regions.

To facilitate responsible researcher evaluation, Clarivate provides comprehensive Web of Science researcher profiles that include a variety of metrics, peer-review citations, Web of Science author impact Beamplots, and Web of Science author impact Beamplots. Comprehensive CVs that individuals can use to promote their full academic profile.

Notes to Editors

What is the Emerging Sources Citation Index?

The journals included in the Emerging Sources Citation Index span all disciplines and range from broad-ranging and international publications to those offering more in-depth regional or specialist coverage. Over 3 million records and 74.4 million cited references date from 2005 to present. Part of the Web of Science Core Collection™, Emerging Sources Citation Index contains quality publications, selected by our expert in-house editors for editorial rigor and journal best practices.

Visit the Journal Citation Reports website to explore all available data, metrics and analysis. You can find more information, including our deletion policy, in the Journal Citation Reports Reference Guide.

Follow us on Twitter via @ClarivateAG #JCR2023.

About Clarivate

Clarivate™ is a global leader in providing solutions to accelerate the pace of innovation. Our bold mission is to help customers solve some of the world’s most complex problems by providing actionable information and insights that shorten the time between new ideas and life-changing inventions in the fields of academia and government, life sciences and healthcare, professional services and consumers. Commodities, manufacturing and technology. We help our clients discover, protect and commercialize their inventions using our reliable subscription and technology solutions combined with deep domain expertise. For more information, visit

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[1] According to the United Nations definition:

Kevin A. Perras