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 273 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 20,460
Committed E-Book Titles 331,940
Committed D-Collections 115

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 36,858,584
Preserved E-Journal Titles 20,607
Preserved E-Book Titles 253,090
Preserved Files 638,108,157
Preserved Images 343,670,338
Preserved Repository created archival files 96,220,578
Preserved Supplied text files 143,701,483
Preserved Application Specific Files 22,344,601
Preserved Multi-file Packages 1,697,920
Preserved Video Files 55,443
Preserved Audio Files 1,583
Preserved Executable Files 17