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 506*
Participating libraries 1,014
Committed e-journal titles 28,080
Committed e-book titles 1,177,850
Committed digital collections 187

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 87,480,520
Preserved e-journal titles 25,709
Preserved e-book titles 756,297
Preserved files 1,453,611,494
Preserved images 851,431,742
Preserved repository-created archival files 189,703,458
Preserved supplied text files 301,590,913
Preserved application-specific files 26,403,279
Preserved multi-file packages 7,786,266
Preserved video files 125,295
Preserved audio files 3,501
Preserved executable files 81