May 22, 2022

Fast Facts & Lists: Thomson Reuters Publishes New 2011 Journal Citation Reports

The JCR reports are fee-based but here are a few fast facts direct from Thomson Reuters.

The 2011 release, with separate editions for Science and Social Sciences, features the largest-ever JCR with 10,677 journal listings in 232 disciplines; 2,552 publishers from 82 countries are represented. A total of 528 journals receive their first Journal Impact Factor in this latest JCR release.


Since its inception in 1975, the JCR has grown steadily. The first JCR was released as a tool for assessing the performance of the world’s leading scientific journals. Its first edition included 2,630 journals. The Social Sciences were included in the JCR in 1977, adding 1,285 additional journals that year.


In 2006, Thomson Reuters launched a special initiative aimed at expanding coverage of Regional Content. The Web of Science now covers of 2,000 Regional Journals, many of which have appeared in the JCR for the first time in recent years.

Additional Resources

Direct to JCR Homepage

About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.