This document describes the measurement elements of workforce availability for organizations. This document provides the formula for comparable measures for internal and external reporting. This document also highlights issues that need to be considered when interpreting compliance data, especially when deciding on appropriate interventions internally and when reporting these to external stakeholders (e.g. regulators, investors). This document pertains to the working capacity of the permanent and temporary workforce, and does not consider their existing allocated work, skills or suitability for taking on specific work efforts. These subjects are addressed in ISO 30409.