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 359 (on behalf of over 2,000 societies and associations)
Participating Libraries 985
Committed E-Journal Titles 25,300
Committed E-Book Titles 657,003
Committed D-Collections 156

Content Facts & Figures Table

Preserved Archival Units (articles, books, etc.) 63,502,338
Preserved E-Journal Titles 22,015
Preserved E-Book Titles 444,450
Preserved Files 1,097,162,728
Preserved Images 683,403,689
Preserved Repository created archival files 148,397,462
Preserved Supplied text files 216,522,066
Preserved Application Specific Files 25,012,829
Preserved Multi-file Packages 4,045,015
Preserved Video Files 91,294
Preserved Audio Files 2,294
Preserved Executable Files 53