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, as well as the component file types and formats. The tables below provide regularly updated figures on the content and global library and publisher participation.

Participation facts and figures
Participating publishers 637*
Participating libraries 1,014
Committed e-journal titles 33,084
Committed e-book titles 1,471,463
Committed digital collections 232

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 106,971,402
Preserved e-journal titles 30,617
Preserved e-book titles 1,047,411
Preserved files 1,732,078,600
Preserved images 1,055,751,031
Preserved repository-created archival files 229,409,321
Preserved supplied text files 377,215,738
Preserved application-specific files 28,447,751
Preserved multi-file packages 10,729,102
Preserved video files 171,795
Preserved audio files 5,326
Preserved executable files 106