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 274 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 20,632
Committed E-Book Titles 340,721
Committed D-Collections 115

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 40,125,375
Preserved E-Journal Titles 21,273
Preserved E-Book Titles 291,297
Preserved Files 705,604,093
Preserved Images 403,924,565
Preserved Repository created archival files 103,804,661
Preserved Supplied text files 155,494,161
Preserved Application Specific Files 22,758,716
Preserved Multi-file Packages 1,990,214
Preserved Video Files 60,330
Preserved Audio Files 1,633
Preserved Executable Files 31