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 385 (on behalf of over 2,000 societies and associations)
Participating Libraries 985
Committed E-Journal Titles 25,452
Committed E-Book Titles 743,963
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 64,518,866
Preserved E-Journal Titles 22,405
Preserved E-Book Titles 457,291
Preserved Files 1,125,555,496
Preserved Images 709,737,152
Preserved Repository created archival files 151,960,502
Preserved Supplied text files 223,105,897
Preserved Application Specific Files 25,329,973
Preserved Multi-file Packages 4,237,419
Preserved Video Files 97,563
Preserved Audio Files 2,368
Preserved Executable Files 56