What is North Star Metric?
A North Star Metric (NSM) is the one number a product team rallies around — the metric that best reflects the value customers get from the product and, by extension, the company's long-term growth. It aligns everyone on a shared definition of success.
A good NSM is a leading indicator of value, not just revenue. Classic examples: Airbnb tracks nights booked, Spotify tracks time spent listening, Slack tracks messages sent within active teams. These capture real usage that precedes monetization.
PMs use the North Star to focus prioritization: features are evaluated by how much they move the metric. The NSM is usually decomposed into input metrics (the drivers a team can directly influence), which makes it actionable at the team level rather than an abstract target.
Examples
- A messaging app chooses "weekly active senders" as its North Star, decomposed into new-user activation and retention.
- A PM rejects a feature that boosts short-term clicks but doesn't move the North Star of weekly active usage.
Where PMs use this
Related terms
KPI (Key Performance Indicator)
A quantifiable measure used to track progress toward a specific business or product objective.
Retention
The degree to which users keep coming back to a product over time — the foundation of sustainable growth.
DAU / MAU
Daily and monthly active user counts; their ratio (DAU/MAU) is a common measure of engagement stickiness.
Conversion Funnel
A model of the sequential steps users take toward a goal, showing drop-off at each stage.