About Essential Science Indicators

Essential Science Indicators (ESI) is an analytical tool that helps you identify top-performing research in Web of Science Core Collection. ESI surveys more than 11,000 journals from around the world to rank authors, institutions, countries, and journals in 22 broad fields based on publication and citation performance. Data covers a rolling 10-year period and includes bimonthly updates to rankings and citation counts.

  • Examine the research performance of top-ranking institutions, countries, journals, authors, and papers in each of the 22 research fields in Essential Science Indicators.
  • Compare the citation performance of a paper with that of its peers by both publication period and field.
  • Identify trends and emerging areas of research in the sciences and social sciences.