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 336 (on behalf of over 2,000 societies and associations)
Participating Libraries 966
Committed E-Journal Titles 22,833
Committed E-Book Titles 624,048
Committed D-Collections 140

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 60,047,790
Preserved E-Journal Titles 20,246
Preserved E-Book Titles 290,247
Preserved Files 1,032,163,829
Preserved Images 648,018,850
Preserved Repository created archival files 142,592,928
Preserved Supplied text files 206,197,871
Preserved Application Specific Files 24,257,462
Preserved Multi-file Packages 3,518,722
Preserved Video Files 86,033
Preserved Audio Files 2,177
Preserved Executable Files 50