Audience Match Rate
The percentage of a target audience list (e.g., HCPs, high-net-worth prospects, in-market shoppers) that a media platform can successfully identify and serve ads to.
“Are we actually reaching the audience we intended to target, or is spend leaking to the wrong people?”
Whether your identity resolution and onboarding process is working well enough to make your targeting strategy viable at all.
Nothing about whether matched impressions actually drove business outcomes — match rate is a prerequisite, not a success metric.
Numerator
Matched Audience Records (identified and addressable on the platform)
Denominator
Total Target Audience Records (the full target list submitted)
Example
A pharma brand submits a list of 50,000 target HCPs. The DSP matches 34,000 of them to addressable device/cookie IDs. Audience Match Rate = 34,000 / 50,000 = 68%.
Recommended visualization: Horizontal bar chart by platform, with a target threshold line
Requires a closed-loop match report from the DSP or data onboarding partner. Match rates vary by identity resolution method (cookie vs. hashed email vs. household graph) — always segment by method before comparing platforms.
- Confirm match rate methodology is consistent across platforms before comparing
- Check for duplicate records inflating the denominator
- Validate the source list was deduplicated and deliverable (valid emails/HCP IDs)
- Comparing match rates across platforms that use different identity graphs without normalizing methodology
- Treating a high match rate as a proxy for campaign success rather than a targeting-feasibility gate
Get a conversational, stakeholder-friendly explanation of this KPI, generated on demand.