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 115 (on behalf of over 2,000 societies and associations)
Participating Libraries 657
Committed E-Journal Titles 11,904
Committed E-Book Titles 65,535
Committed D-Collections 13

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 14,920,354
Preserved E-Journal Titles 8,192
Preserved E-Book Titles 1,936
Preserved Files 174,998,448
Preserved Images 84,215,717
Preserved Repository created archival files 43,689,083
Preserved Supplied text files 31,289,481
Preserved Application Specific Files 16,285,094
Preserved Multi-file Packages 140,333
Preserved Video Files 20,467
Preserved Audio Files 570
Preserved Executable Files 1