Q: How Common Are Language-Based Learning Disabilities?
A: 15-20% of the population have a language-based learning disability.
Of the students with specific learning disabilities receiving special education services, 70-80% have deficits in reading.
Dyslexia is the most common cause of reading, writing and spelling difficulties.
Dyslexia affects males and females nearly equally, and people from different ethnic and socio-economic backgrounds as well.