Archive Content & Access > Facts & Figures

Facts & Figures

Portico is one of the most comprehensive digital preservation archives. We hold more content than others and have extensive knowledge about the data we preserve and the component file types and formats. The tables below provide regularly updated figures on the content, including details about various file types and formats, as well as global library and publisher participation.

Participation Facts & Figures Table

Participating Publishers 486 (on behalf of over 2,000 societies and associations)
Participating Libraries 1,014
Committed E-Journal Titles 27,722
Committed E-Book Titles 835,243
Committed D-Collections 179

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 84,893,579
Preserved E-Journal Titles 25,101
Preserved E-Book Titles 734,198
Preserved Files 1,419,198,418
Preserved Images 851,431,742
Preserved Repository created archival files 189,703,458
Preserved Supplied text files 301,590,913
Preserved Application Specific Files 26,403,279
Preserved Multi-file Packages 7,786,266
Preserved Video Files 125,295
Preserved Audio Files 3,501
Preserved Executable Files 81