Disability Statistics - IAAP CPACC
Body of Knowledge 2026 Questions
and Answers.
What percentage of the world population have low vision? - Answer3.5%
How common is red-green blindness among people with Northern European heritage? - Answer1 in
12 for men, and 1 in 200 for women.
How common is blue-yellow blindness among men and women? - Answer1 in 10,000
How common is Blue Cone Monochromic? - Answer1 in 100,000
What sex does Blue Cone Monochromic affect the most? - Answer Male
What percentage of the world population is Deaf or Hard of Hearing? - Answer6.1%
How many people in the world are Deaf or Hard of Hearing? - Answer466 million
What percentage of the world population has Auditory Processing Disorder? - Answer5%
What percentage of the world population is Deaf-Blind? - Answer Between 0.2% and 2%
What percentage of children have speech disorders? - Answer5%
How many people in USA have aphasia? - Answer2 million
What percentage of the population is affected by selective autism? - Answer Between 0.47% and
0.76%
What percentage of the world population have Rheumatoid Arthritis? - Answer1%.
Body of Knowledge 2026 Questions
and Answers.
What percentage of the world population have low vision? - Answer3.5%
How common is red-green blindness among people with Northern European heritage? - Answer1 in
12 for men, and 1 in 200 for women.
How common is blue-yellow blindness among men and women? - Answer1 in 10,000
How common is Blue Cone Monochromic? - Answer1 in 100,000
What sex does Blue Cone Monochromic affect the most? - Answer Male
What percentage of the world population is Deaf or Hard of Hearing? - Answer6.1%
How many people in the world are Deaf or Hard of Hearing? - Answer466 million
What percentage of the world population has Auditory Processing Disorder? - Answer5%
What percentage of the world population is Deaf-Blind? - Answer Between 0.2% and 2%
What percentage of children have speech disorders? - Answer5%
How many people in USA have aphasia? - Answer2 million
What percentage of the population is affected by selective autism? - Answer Between 0.47% and
0.76%
What percentage of the world population have Rheumatoid Arthritis? - Answer1%.