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2005.
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Nobody knows exactly how many hearing-impaired people there are in the world. Professor Adrian Davis from the British MRC Institute of Hearing Research estimates that the total number of people suffering from hearing damages hearing loss of more than 25 dB in the world will be more than 560 million people in 2005. In the developed world the number of hearing-impaired people will be about 190 million. In Europe, hearing damages there will be more than 80 million hearing-impaired people in 2005. The number of hearing-impaired people in USA and Canada will be more than 30 million. According to Adrian Davis, there were about 440 million hearing-impaired people hearing damages world-wide in 1995, and more than 70 million in Europe out of a population of more than 700 million. At the same time, American surveys have estimated the number of hearing-impaired people in hearing damages North America to be more than 25 million out of a population of about 300 million. The problem will increase in the coming years, and Adrian Davis estimates that more than 700 million people world-wide will suffer from hearing loss of hearing damages more than 25 dB in 2015, and the number will exceed 900 million in 2025. The increase is primarily the result of noisy surroundings and an ageing population. An Australian survey carried out by the Centre for Population Studies in Epidemiology, [Email: info@medical.hear-it.org] |