Scopus is the world's largest abstract and citation database of peer-reviewed research literature. With over 22,000 titles from more than 5,000 international publishers.
About Scopus – Scopus is the largest abstract and citation database of peer-reviewed literature and features smart tools to track, analyze and visualize scholarly research. Its comprehensive database contains more than 64 million items indexed from over 22,000 titles coming from 5,000 publishers worldwide, ensuring broad interdisciplinary coverage in the fields of science, technology, medicine, social sciences and arts and humanities. Scopus was designed and developed with input from researchers and librarians and features direct links to subscribed full-text articles, other library resources and interoperability with applications such as reference management software. Scopus is part of the Research Intelligence portfolio which includes the SciVal tools, the Pure system, rich data assets and custom Analytical Services
"Is Scopus representative of global publisher activity? You ask
As I see it, Scopus is a huge and remakable database of quality of publications. It is known and used by the majority of researchers all over the world. As a reviewer for several prestigious scientific Journals, I often make use of it while reviewing the manuscripts they send to me.