Audience segment composition

Only available in Google Ad Manager 360

Audience Solutions is a Google Ad Manager 360 feature which might not be enabled for your network.

Each member of an audience segment represents an audience identifier associated with a user's device. As your audience segment collects members, you can see a breakdown of what audience identifiers compose the segment by clicking Inventory and then Audience segments in Ad Manager.

In the table that lists all audience segments, the columns below display information about the audience segment member composition:

  • Total size: The number of members currently in a segment.
  • Mobile web size: The number of mobile web users that comprise a segment.
  • AdID size: The number of Android app users (identified with an AdID) that comprise a segment.
  • IDFA size: The number of iOS app users (identified with an IDFA) that comprise a segment.
  • PPID size: The number of users, identified by a publisher provided identifier (PPID), that comprise a segment.
A few things to keep in mind
  • These totals are updated periodically throughout each day.
  • The Mobile web, AdID and IDFA size values are rounded to two significant digits (for example, "22,000" instead of "22,382") and if there are fewer than 50 members in any category, Ad Manager displays 0.
  • The total size of an audience segment, updated approximately every 30 minutes, must be at least 100 before it is eligible for ad serving. We use statistical modeling and sampling to estimate the segment total size, so the size shown might not exactly match a number of identifiers uploaded. Small audience segments are subject to a higher variance in model estimates, so using lists with at least 150 members is recommended.
  • The “Total size” isn't necessarily the sum of “Mobile web size,” “AdID size,” “IDFA size,” and “PPID size.” This is because some of these users might already be accounted for in other metrics, and the “Total size” doesn’t double count them. Example: if there's a mobile web user who is also identified by PPID, they will only be counted once toward “Total size.”
  • For third-party audience segments, the "Total size" value shows how many identifiers are provided in the segment, but doesn't necessarily reflect the total amount of unique impressions you'll get from the segment. This could be because some identifiers are stale or based in another country.
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