Disability Statistics - IAAP CPACC Body
of Knowledge Exam Questions and
Answers
What percentage of the world population have low vision? - Answers -3.5%
How common is red-green blindness among people with Northern European heritage? -
Answers -1 in 12 for men, and 1 in 200 for women.
How common is blue-yellow blindness among men and women? - Answers -1 in 10,000
How common is Blue Cone Monochromacy? - Answers -1 in 100,000
What sex does Blue Cone Monochromacy affect the most? - Answers -Male
What percentage of the world population is Deaf or Hard of Hearing? - Answers -6.1%
How many people in the world are Deaf or Hard of Hearing? - Answers -466 million
What percentage of the world population has Auditory Processing Disorder? - Answers -
5%
What percentage of the world population is Deaf-Blind? - Answers -Between 0.2% and
2%
What percentage of chilren have speech disorders? - Answers -5%
How many people in USA have aphasia? - Answers -2 million
What percentage of the population is affected by selective mutism? - Answers -Between
0.47% and 0.76%
What percentage of the world population have Rheumatoid Arthritis? - Answers -1%.
What percentage of world adult population is affected by obesity? - Answers -39 - 40%
What percentage of the world population have intellectual disability? - Answers -1 - 3%
or 200 million people
What percentage of the world population have dyslexia? - Answers -3 - 5%
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