Journal Citation Report provides bibliometric information about number of articles and citations of these articles.
These calculations is called Journal Impact Factors.
Type: Journal Citation index
Subject: Covers all areas within science, technology as well as arts, humanities & social science
Content: The Citation data is calculated from more than 7500 scholarly and technical journals, from more than 3,300 publishers in over 60 countries
Journal Citation Reports is a comprehensive and unique resource that allows you to evaluate and compare journals using citation data drawn from over 7,500 scholarly and technical journals from more than 3,300 publishers in over 60 countries. It is a unique source of citation data on journals, and includes virtually all areas of science, technology, and social sciences.
Journal Citation Reports can show you the:
Citation and article counts are important indicators of how frequently current researchers are using individual journals.
The latest Journal Citation Report covers calculations from 2013