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Abstract
Objective
To estimate the hearing aid coverage for people with disabling hearing loss using data on hearing aid sales.
Design
Data on prevalence of disabling hearing loss from WHO and on hearing loss from moderate to severe from the Global Burden of Disease enterprise are used to estimate the number of people with hearing loss. Data on hearing aid sales from the European Hearing Instrument Manufacturers Association (EHIMA) are used to estimate the number of people using hearing aids.
Study sample
From 2009 to 2018, the worldwide sales of hearing aids by the EHIMA members were 124 million units.
Results
The world-wide hearing aid coverage is 10–11% depending on the prevalence of data source. For all low- to middle-income regions that make up 85% of the world population, the coverage ranges from 1.5% to 12%. In the group of high-income countries as defined by WHO, the coverage is 57%.
Conclusions
Data on hearing aid sales can be used to estimate hearing aid coverage regionally, and world-wide. Globally, there is a huge unmet need for hearing instruments since less than 11% of people with a disabling hearing loss are hearing aid users.
Disclosure statement
No potential conflict of interest was reported by the author(s).