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 431 (on behalf of over 2,000 societies and associations)
Participating Libraries 958
Committed E-Journal Titles 26,624
Committed E-Book Titles 793,613
Committed D-Collections 174

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 75,626,572
Preserved E-Journal Titles 23,913
Preserved E-Book Titles 509,760
Preserved Files 1,285,534,761
Preserved Images 784,130,472
Preserved Repository created archival files 170,629,106
Preserved Supplied text files 269,493,415
Preserved Application Specific Files 25,860,805
Preserved Multi-file Packages 6,647,970
Preserved Video Files 110,787
Preserved Audio Files 3,096
Preserved Executable Files 60