OTC Hearing Aids Market: Size, Trends, and Growth Prospects The global Over-the-Counter (OTC) hearing aids market is on the rise, driven by increasing affordability, accessibility, and a growing awareness of hearing loss. With a market size of USD 1.06 billion in 2022 and an expected compound annual growth rate (CAGR) of 6.60% from 2023 to 2030, OTC hearing aids are becoming an appealing...