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 706*
Participating libraries 1,014
Committed e-journal titles 34,363
Committed e-book titles 1,670,693
Committed digital collections 237

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 106,077,994
Preserved e-journal titles 31,670
Preserved e-book titles 1,150,076
Preserved files 1,786,671,865
Preserved images 1,095,610,770
Preserved repository-created archival files 233,070,166
Preserved supplied text files 365,720,491
Preserved application-specific files 29,282,270
Preserved multi-file packages 11,631,762
Preserved video files 188,003
Preserved audio files 5,838
Preserved executable files 106