Epidemiology
About one third of all people experience tinnitus at least once in their lifetime. The prevalence of tinnitus in adults worldwide has been estimated to be between 10.1% and 14.5%, and the condition is more common in people aged between 40 and 70 years.[7] The incidence of tinnitus is estimated to be 5.7% to 7% per year worldwide.[8] The prevalence of tinnitus in people with noise exposure is higher than in the general population.[7][9] Tinnitus affects approximately 50 million Americans, and in 10 million it is severe and debilitating. This problem is believed to affect 300-600 million people worldwide.[10][11][12] There has been no difference in the incidence of tinnitus found between sexes or ethnicities.[8]
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