Intellectual Property & Science is now known as Clarivate Analytics

Intellectual Property & Science is now known as Clarivate Analytics

...and is no longer part of Thomson Reuters. You can still explore their products on this page.

Journal Citation Reports

The recognized authority for evaluating journals


Journal Citation Reports® offers a systematic, objective means to critically evaluate the world's leading journals, with quantifiable, statistical information based on citation data. By compiling articles' cited references, JCR helps to measure research influence and impact at the journal and category levels, and shows the relationship between citing and cited journals. Available in Science and Social Sciences editions.


  • Five-year Impact Factor
  • Eigenfactor® Metrics
  • Impact Factor Boxplots
  • Rank-in-Category Tables
  • Journal Self-Citations


  • Use objective analysis to support collection development activities.
  • Metrics Determine journals’ influence in the marketplace and review editorial functions.
  • Identify the most appropriate, influential journals in which to publish.
  • Discover where to find the current reading lists.
  • Track bibliometric and citation patterns to make strategic and funding decisions.

Annual Publication

Impact Factor results are made available on a yearly basis (approximately June) following the year of coverage.