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 820*
Participating libraries 1,014
Committed e-journal titles 34,515
Committed e-book titles 1,771,836
Committed digital collections 238

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 106,420,987
Preserved e-journal titles 31,866
Preserved e-book titles 1,199,626
Preserved files 1,795,951,871
Preserved images 1,097,999,598
Preserved repository-created archival files 234,789,882
Preserved supplied text files 368,373,488
Preserved application-specific files 29,341,337
Preserved multi-file packages 12,084,169
Preserved video files 188,790
Preserved audio files 5,914
Preserved executable files 106