|Features||Scopus||Web of Science|
|Number of journals||>20,000||>13,000|
|Content||Biomedical sciences, natural sciences, engineering, social sciences, arts & humanities. Strongest coverage of biomedical & natural sciences and engineering.||Natural sciences, biomedical sciences, engineering, social sciences, arts & humanities. Strongest coverage of natural sciences & engineering.|
|Databases covered||100% of Medline and Embase - plus other content. [Not 100% of PubMed.]||Science Citation Index, Social Sciences Citation Index, Arts & Humanities Citation Index|
|Time period covered||Initially covered 1996-present. Now includes substantial content prior to 1996, with some back to 1823.||
Science component: 1990-
Social science component: 1975-
Arts & humanities component: 1975-
|Citation analysis||Yes, including citation tracking, citation counts, and author h-index calculations||Yes, including citation tracking, citation counts, and author h-index calculations|
|Controlled vocabulary||No Scopus-specific controlled vocabulary. Keyword field includes indexing terms for references taken from other databases, such as PubMed and Embase||No.|
|Export feature for references||Yes||Yes|
Last updated February 2016
Recent Comparisons of Scopus and Web of Science:
Mongeon P, Paul-Hus A. The journal coverage of Web of Science and Scopus: a comparative analysis. Scientometrics. 2016; 106(1):213-228.
HLWIKI Canada. Scopus vs Web of Science. Updated 2015.