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 582*
Participating libraries 1,014
Committed e-journal titles 31,497
Committed e-book titles 1,328,687
Committed digital collections 199

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 99,409,047
Preserved e-journal titles 29,244
Preserved e-book titles 949,018
Preserved files 1,615,112,907
Preserved images 989,796,544
Preserved repository-created archival files 215,411,655
Preserved supplied text files 353,724,809
Preserved application-specific files 27,395,027
Preserved multi-file packages 9,664,758
Preserved video files 148,837
Preserved audio files 4,449
Preserved executable files 98