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 330 (on behalf of over 2,000 societies and associations)
Participating Libraries 922
Committed E-Journal Titles 22,788
Committed E-Book Titles 547,222
Committed D-Collections 140

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 57,134,978
Preserved E-Journal Titles 19,936
Preserved E-Book Titles 395,691
Preserved Files 976,389,388
Preserved Images 603,260,425
Preserved Repository created archival files 134,832,076
Preserved Supplied text files 198,298,620
Preserved Application Specific Files 24,076,683
Preserved Multi-file Packages 3,253,174
Preserved Video Files 80,722
Preserved Audio Files 2,006
Preserved Executable Files 50