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 596*
Participating libraries 1,014
Committed e-journal titles 31,783
Committed e-book titles 1,373,328
Committed digital collections 201

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 101,621,739
Preserved e-journal titles 29,488
Preserved e-book titles 966,425
Preserved files 1,646,840,748
Preserved images 1,008,940,185
Preserved repository-created archival files 219,386,277
Preserved supplied text files 359,585,421
Preserved application-specific files 27,642,156
Preserved multi-file packages 9,863,526
Preserved video files 152,531
Preserved audio files 4,542
Preserved executable files 98