In 1992, the National Centre for Health Statistics in the USA estimated the prevalence of hearing impairment by age group in the USA.
The estimate found that 1.8% of the children aged 3-17 suffered from hearing impairment. Among young people aged 8-34, the share of hearing-impaired people had increased to 3.4%.
Among adults in the 35-44 age group, the percentage of hearing-impaired persons was 6.3%, and among the middle-aged, 45-54 year-olds, the percentage had increased to 10.3%.
In the 55-64 age group, the percentage was 15.4%, and among those over 65, almost every third person suffered from hearing impairment (29.1%).
There are no figures for Europe. But in 1996 RNID, Royal National Institute of Deaf People, in the UK made some estimates of the percentages of the UK population who were deaf or hard of hearing.
Among 16-60 year-olds, the percentage was 6.6% and among 61-80 year-olds, the percentage was 46.9. Of Britons over the age of 81, more than nine out of ten suffered from hearing impairment (93.2).
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