Decomposes growth into new, retained, resurrected, and churned users with framework.
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---
name: Growth Accounting
description: Decompose active-user growth into new, retained, resurrected, and churned.
---
# Growth Accounting
Explain why your active user count changed by decomposing it into its underlying flows.
## The core identity
For any period, the change in active users reconciles exactly:
```
Active(t) = Active(t-1) + New + Resurrected - Churned
```
Where, comparing the set of active users this period vs last:
- New: active this period, never active before.
- Retained: active this period and last period.
- Resurrected: active this period, inactive last period, but active sometime earlier.
- Churned: active last period, not active this period (a negative contribution).
Net new users = New + Resurrected - Churned. This must equal Active(t) - Active(t-1).… install to load the full skillSign in to rate and review this skill.
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