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 326 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 22,398
Committed E-Book Titles 535,181
Committed D-Collections 140

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 52,801,239
Preserved E-Journal Titles 19,572
Preserved E-Book Titles 413,799
Preserved Files 936,200,344
Preserved Images 585,050,998
Preserved Repository created archival files 129,207,828
Preserved Supplied text files 192,628,922
Preserved Application Specific Files 23,986,068
Preserved Multi-file Packages 3,087,584
Preserved Video Files 79,896
Preserved Audio Files 1,988
Preserved Executable Files 50