Editorial policy
Numbers go stale. Sources move. We would rather fix a mistake in public than let a wrong figure sit quietly.
Corrections
If you find a number on statfern that does not match its source, write to support@statfern.com with the page and the source link. A human editor re-opens the source. If you are right, we fix the figure within two business days and note the change at the bottom of the report.
Source links that break
When a source page disappears, we mark the entry, look for an archived copy, and replace the link if one exists. Entries we cannot re-verify are removed at the next update.
Paid placement
From time to time we run sponsored data mentions, for example when a research team pays to have its study considered for inclusion. Three rules apply: the data must pass the same four gates as everything else; the placement is labelled as sponsored; and payment never changes a number. An entry that says "2 sources" earned that badge from two independent publications, not from a fee.
Need numbers we haven't published?
Custom research, built on the same discipline
Bespoke statistics reports for teams and publications. The same rule applies to every project: each number carries a primary source.