The study in question is about accessible technology, as in computers, not accessible design “in the world generally.” From your link: https://web.archive.org/

The study in question is about accessible technology, as in computers, not accessible design “in the world generally.” From your link: https://web.archive.org/web/20090423084630/http://www.microsoft.com/enable/research/summary.aspx https://web.archive.org/web/20090423084630/http://www.micros... > In the United States, 60% (101.4 million) of working-age adults who range from 18 to 64 years old are likely or very likely to benefit from the use of accessible technology due to difficulties and impairments that may impact computer use.