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 287 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 20,877
Committed E-Book Titles 486,178
Committed D-Collections 115

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 42,374,521
Preserved E-Journal Titles 21,475
Preserved E-Book Titles 328,877
Preserved Files 760,430,856
Preserved Images 433,759,977
Preserved Repository created archival files 107,598,831
Preserved Supplied text files 161,472,040
Preserved Application Specific Files 23,214,604
Preserved Multi-file Packages 2,136,968
Preserved Video Files 67,255
Preserved Audio Files 1,681
Preserved Executable Files 44