Key performance indicator

A key performance indicator (also known by its acronym, KPI) is any important metric used to evaluate the success in meeting an objective.

Definitions

According to the ITIL Foundation 4e by Axelos,

Key performance indicator (KPI). An important metric used to evaluate the success in meeting an objective.

According to the HRBoK Guide,

KPI. Key performance indicator. A measure an organization uses to see its progress and show what it needs to improve.