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 753*
Participating libraries 1,014
Committed e-journal titles 34,453
Committed e-book titles 1,731,030
Committed digital collections 238

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 106,533,874
Preserved e-journal titles 31,837
Preserved e-book titles 1,159,778
Preserved files 1,794,349,227
Preserved images 1,098,459,830
Preserved repository-created archival files 234,143,745
Preserved supplied text files 367,906,489
Preserved application-specific files 29,337,466
Preserved multi-file packages 11,860,560
Preserved video files 188,658
Preserved audio files 5,909
Preserved executable files 106