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 546*
Participating libraries 1,014
Committed e-journal titles 29,068
Committed e-book titles 1,242,793
Committed digital collections 187

* on behalf of over 2,000 societies and associations

Content facts and figures
Preserved archival units (articles, books, etc.) 89,469,035
Preserved e-journal titles 26,309
Preserved e-book titles 915,427
Preserved files 1,499,139,946
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