> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/AudienceDimension).

Positive dimension specifying user's audience.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/common/audiences.proto)

| Fields ||
|---|---|
| ## `dimension` Union field. Dimension specifying users who belong to the audience. `dimension` can be only one of the following: ||
| ### `age` | `AgeDimension` Dimension specifying users by their age. |
| ### `audience_segments` | `AudienceSegmentDimension` Dimension specifying users by their membership in other audience segments. |
| ### `gender` | `GenderDimension` Dimension specifying users by their gender. |
| ### `household_income` | `HouseholdIncomeDimension` Dimension specifying users by their household income. |
| ### `parental_status` | `ParentalStatusDimension` Dimension specifying users by their parental status. |