Mailchimp metrics and dimensions

Metric Name	Description	Calculations (if applicable)
Bounce Rate	The percentage of recipients that were registered as a hard or soft bounce.
Emails Sent	The number of contacts the campaign was sent to.
Hard Bounces	The number of recipients that were registered as hard bounces.
List Member Count	The number of contacts in a given audience list.
Soft Bounces	The number of recipients that were registered as soft bounces.
Total Clicks	The total number of times tracked links were clicked by recipients. This count includes multiple clicks from individual recipients.
Total Opens	The total number of times the campaign was opened by recipients. This count includes multiple opens from individual recipients.
Unique Clicks	The number of clicks on any tracked link in a given campaign.
Unique Open rate	The percentage of recipients who opened a given campaign any number of times.
Unique Opens	The number of recipients who opened a given campaign any number of times.
Users Who Clicked	The number of recipients who clicked any tracked link any number of times in a given campaign.
Users Who Clicked Rate	The percentage of recipients who registered as an open who also clicked a link in a given campaign.	Clicks / Opens
Users Who Clicked Rate	The percentage of recipients who clicked a link in a given campaign.	Clicks / Recipients
Unsubscribe Count	The number of members marked as "Unsubscribed" in a given audience list.

Dimension Name	Description
A/B Campaign	The name of the A/B campaign.
Automation Campaign	The name of the automation campaign. Also called "Classic Automations". Does not include "Customer Journeys".
Campaign	The name of the campaign.
Customer Journey	Not supported.
Mailing List	The name of the audience list.
Popular Links (A/B Campaign)	The link inserted in a given A/B campaign.
Popular Links (Automation Campaign)	The link inserted in a given automation campaign.
Region	The region where the audience is located.
Segment	The name of the segment in the audience list.

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