As of 2019, roughly 1.57 billion people globally had hearing loss, which is defined as having difficulty hearing sounds softer than 20 decibels (dBs) or more.
This statistic shows the number of people with hearing loss worldwide as of 2019, by severity.
Number of people with hearing loss worldwide as of 2019, by degree of hearing loss
(in millions)
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Lancet. (March 13, 2021). Number of people with hearing loss worldwide as of 2019, by degree of hearing loss (in millions) [Graph]. In Statista. Retrieved February 08, 2025, from https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed
Lancet. "Number of people with hearing loss worldwide as of 2019, by degree of hearing loss (in millions)." Chart. March 13, 2021. Statista. Accessed February 08, 2025. https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed
Lancet. (2021). Number of people with hearing loss worldwide as of 2019, by degree of hearing loss (in millions). Statista. Statista Inc.. Accessed: February 08, 2025. https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed
Lancet. "Number of People with Hearing Loss Worldwide as of 2019, by Degree of Hearing Loss (in Millions)." Statista, Statista Inc., 13 Mar 2021, https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed
Lancet, Number of people with hearing loss worldwide as of 2019, by degree of hearing loss (in millions) Statista, https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed (last visited February 08, 2025)
Number of people with hearing loss worldwide as of 2019, by degree of hearing loss (in millions) [Graph], Lancet, March 13, 2021. [Online]. Available: https://www.statista.com/statistics/1235654/cases-hearing-loss-by-severity-worldwide/?__sso_cookie_checker=failed