A method and system for measuring transferability of workers between and among occupations by means of the mathematical relationships between those occupations' key attributes, as defined by publicly available data on the competencies required as specified by a complete catalog of U.S. occupations known as O*NET. This method provides a concise, informative measurement for comparing the relative requirements of Abilities, Skills, Knowledge, and other relevant attributes of occupations, enabling users to gauge the feasibility of transferring workers from one occupation to another.