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 568*
Participating libraries 1,014
Committed e-journal titles 31,395
Committed e-book titles 1,341,101
Committed digital collections 202

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 91,703,500
Preserved e-journal titles 26,929
Preserved e-book titles 919,137
Preserved files 1,556,792,220
Preserved images 965,899,891
Preserved repository-created archival files 205,576,870
Preserved supplied text files 335,451,581
Preserved application-specific files 27,001,187
Preserved multi-file packages 9,007,236
Preserved video files 143,106
Preserved audio files 4,230
Preserved executable files 91