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 627*
Participating libraries 1,014
Committed e-journal titles 33,039
Committed e-book titles 1,405,902
Committed digital collections 225

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 106,377,400
Preserved e-journal titles 30,430
Preserved e-book titles 995,311
Preserved files 1,721,806,053
Preserved images 1,051,101,014
Preserved repository-created archival files 228,377,988
Preserved supplied text files 374,789,961
Preserved application-specific files 28,359,067
Preserved multi-file packages 10,578,766
Preserved video files 170,578
Preserved audio files 5,212
Preserved executable files 106