KnowledgeReach
Reach · How many different people or accounts saw the advertising, as estimated by the platform.
Understand Reach in context.
Simply explained explanation
How many different people or accounts saw the advertising, as estimated by the platform.
Professional explanation
Deduplicated audience exposure for the selected timeframe, based on the platform’s identity model.
Analytical explanation
Use reach with frequency to evaluate incremental audience exposure and saturation. Estimated reach may be non-additive across campaigns and time periods.
Technical explanation
Typically an estimated unique exposed audience; platform methodology and identity signals vary. Summing daily reach will normally overcount unique people.
Four complementary explanations — choose your level. Technical definitions are platform-specific where noted.
↗ How to use it
Compare within a consistent platform and time window.
⚠ Common interpretation mistake
Reach figures across platforms cannot be safely added together.