The Archive: Content & Access > Archive Facts & Figures

Archive 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 140 (on behalf of over 2,000 societies and associations)
Participating Libraries 718
Committed E-Journal Titles 12,499
Committed E-Book Titles 123,586
Committed D-Collections 46

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 19,347,423
Preserved E-Journal Titles 9,531
Preserved E-Book Titles 16,837
Preserved Files 318,173,836
Preserved Images 192,755,663
Preserved Repository created archival files 65,707,507
Preserved Supplied text files 40,433,652
Preserved Application Specific Files 18,850,590
Preserved Multi-file Packages 311,783
Preserved Video Files 37,123
Preserved Audio Files 1,033
Preserved Executable Files 2