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Understanding Discrepancy Between Mixpanel Unique Count and Last Segment Count | Mixpanel Community

Community Questions

Understanding Discrepancy Between Mixpanel Unique Count and Last Segment Count

·Jan 16, 2026 03:39 PM·

Hello Everyone. I am working on the a Mixpanel report and found a discrepency between unique count and last segment count. What's the reason behind this?. See image attached for more details

4 comments

· Sorted by Oldest

Julianne Bozzini
APP
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Hi Muffaddal- Julianne from Mixpanel Support here. With 'Uniques', a user will be counted in every breakdown segment that they qualify for. With 'Uniques- Last Segment', only the last segment in the time period for the user is used for the report. The screenshot has a breakdown on Time (Day), so the 'Uniques' count will count users each separate day that they tracked the event. The 'Uniques- Last Segment' count will only count the user on the latest day in the time period.
Muffaddal Q.
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Thanks for getting back. So If date range is Jan 1 to Jan 10, for last segment, I will show state of jan 10 on jan 1 date?
Julianne Bozzini
APP
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It would depend on when a user tracked the events. As an example, let's say a user tracked 'level_start' on Jan 3 and Jan 8. For the 'Uniques' count, they would be counted on the 3rd and once on the 8th. For 'Uniques- Last Segment', they would only be counted on the 8th (their last segment tracked).
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Muffaddal Qutbuddin
APP
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Hey Julianne, We are good. ThanksOn Jan 25, 2026 at 3:01 AM +0500, Support support@mixpanel.com , wrote: To unsubscribe from this group and stop receiving emails from it, send an email to .
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