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 638*
Participating libraries 1,014
Committed e-journal titles 33,116
Committed e-book titles 1,475,969
Committed digital collections 232

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 107,537,878
Preserved e-journal titles 30,642
Preserved e-book titles 1,068,056
Preserved files 1,740,732,107
Preserved images 1,059,877,225
Preserved repository-created archival files 230,279,841
Preserved supplied text files 378,858,918
Preserved application-specific files 28,516,525
Preserved multi-file packages 10,778,824
Preserved video files 172,733
Preserved audio files 5,422
Preserved executable files 106