63.9% of the National Archives Catalog can be viewed online (October 2026)
On October 9, 2026 the National Archives Catalog held 29,265,472 descriptions, and 18,690,749 of them, 63.9%, have a scan or file a reader can open from home. The other 10,574,723 have no digital copy; seeing them means a research room or a request. Civic Forecast calculation from two counts the National Archives Catalog API states about itself: all descriptions, and those available online.
Induced by API Automations for Civic Forecast from federal open data. Each finding names the datasets it was computed from. How this is calculated.