Supply Model Diagram. Sources: (a) FSBPT licensure data¹⁰; (b) APTA member database that contains demographic and location information (n = 42,160)¹¹; (c) APTA member database and FSBPT licensure data^10,11; (d) Contains further filtering based on age, and generates FTEs based on 40-hour definition. Average FTE is derived from the 2024 Physical Therapist Workforce Survey (39.4 hours per week). APTA = American Physical Therapy Association; FSBPT = Federation of State Boards of Physical Therapy; FTE = full-time equivalent.