Knownage
Knownage is a term used across multiple disciplines to describe information about the age of a person, object, or phenomenon that is verifiably established rather than inferred. The exact origin of the term is unclear, and it is not codified as a formal standard; it often appears in data labeling, archival practice, and identity verification contexts as shorthand for “the age is known” rather than estimated.
In practice, knownage can refer to different realities. In demographic and health research, it indicates that
Related concepts include age verification, date of birth, and verified data. Variants include known-age data, verified
Contemporary discussions emphasize privacy, data minimization, and accuracy: maintaining knownage data can raise concerns about how
Notes: Knownage may appear as a generic descriptive label in research papers, data schemas, or fictional contexts;