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 586*
Participating libraries 1,014
Committed e-journal titles 31,577
Committed e-book titles 1,339,072
Committed digital collections 199

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 100,769,385
Preserved e-journal titles 29,300
Preserved e-book titles 962,188
Preserved files 1,630,127,772
Preserved images 998,627,128
Preserved repository-created archival files 217,740,315
Preserved supplied text files 356,736,747
Preserved application-specific files 27,526,577
Preserved multi-file packages 9,757,559
Preserved video files 150,089
Preserved audio files 4,492
Preserved executable files 98