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 409 (on behalf of over 2,000 societies and associations)
Participating Libraries 971
Committed E-Journal Titles 26,163
Committed E-Book Titles 752,694
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 68,849,370
Preserved E-Journal Titles 23,252
Preserved E-Book Titles 474,629
Preserved Files 1,198,736,580
Preserved Images 741,171,208
Preserved Repository created archival files 159,390,767
Preserved Supplied text files 240,975,457
Preserved Application Specific Files 25,521,189
Preserved Multi-file Packages 4,708,076
Preserved Video Files 100,195
Preserved Audio Files 2,633
Preserved Executable Files 59