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.