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GlossaryPublic records, privacy, and data quality

Data freshness

Data freshness describes how current information is. Learn why a recent page update does not mean the records describe recent events.

Data freshness describes how current information is relative to its source, the events it describes, and its intended use. It can involve several dates: the most recent source update, the last successful retrieval, and the period covered by the records. A single “updated” label may not distinguish them.

Several clocks can be running

The UK Government Data Quality Framework treats timeliness as a question of whether information is current enough for its intended use. That principle is more useful than assuming every dataset needs the same refresh speed. Government Data Quality Framework.

An annual staffing report and a daily incident feed serve different purposes. Both can be current for their stated release cycle while covering different periods. The important question is whether the displayed date tells readers what they need to know about the underlying information.

Example

Hypothetical: A website retrieves a file on November 2. The source last changed on October 30, and the file contains approved records through October 28.

“Checked November 2” accurately describes the retrieval. It does not establish that November 1 incidents are included. A clearer note distinguishes the check date, source update date, and available event period instead of presenting them as one measure of freshness.

Common confusion

Freshness is different from completeness. A newly received file can still omit records awaiting submission or approval. An older, finalized release can be more complete for its historical period than a current provisional feed.

A refreshed page is not necessarily refreshed data. A website can rebuild its layout or update its description while serving the same records. Conversely, a historical total can change because earlier records were corrected, without any newer event dates being added.

Reading an update statement

Look for the latest successful source retrieval, the source's own update information, and the event period represented. If there is a regular release schedule, compare the observed update with that schedule. A monthly source should not be described as stale solely because it has not changed today.

The newest date appearing in a file is useful but incomplete evidence. One recent row does not prove every earlier day or agency is fully represented. Pair freshness with coverage and completeness notes.

When a feed stops updating, a transparent publication can retain useful historical information while stating its last confirmed coverage. That gives readers a clear boundary on what the page can say about recent activity.

Sources