These reports provide an assessment of a journal’s standing in scholarly literature through the objective evaluation of quantifiable, statistical information. The analysis of 2012 citation data comprises impact and influence metrics and millions of cited and citing journal data points from the Thomson Reuters Web of Science®.
The 2013 release of the Journal Citation Reports include:
10,853 journal listings in 232 disciplines
Representation of 83 countries
379 journals receiving their first Journal Impact Factor
"Since its inception in 1975, the Journal Citation Reports continue to be a reliable benchmark for assessing the impact and influence of scholarly journals worldwide," said Marie McVeigh, director of content selection for the Web of Science. "Thomson Reuters understands the importance of these metrics in the scholarly community and is dedicated to preserving their accuracy and reliability in the ongoing selection of the world’s top-tier international and regional journals – journals that exemplify the quality demanded by researchers and authors worldwide."