Hearing Loss Hearing loss can affect anyone at any age. In the U.S., 15 percent of adults over the age of 18 (37.5 million people), report having trouble hearing. Of adults aged 65-74, 25 percent have a disabling hearing loss, and 50 percent of adults over the age of 75 have a disabling hearing loss. Of babies born in the U.S., 2-3 of every 1,000 have a detectable hearing loss in at least one ear. How many people in the US has the hearing loss The cause or risk factors Symptoms/How does it effect a person′s auditory perception Treatment options Prevention Important guidelines to follow: