Dyslexia by the Numbers
Dyslexia is the most common language-based learning difference, and it's far more common than most people realize.
15 to 20%
of the elementary school population is affected by dyslexia
#1
most common language-based learning disability
Up to 80%
of dyslexic children leave school without ever being properly identified
What Is Dyslexia?
Dyslexia is a language-based learning difference in how the brain processes written and spoken words. It shows up most often in reading, spelling, and phonological (sound) processing, and it is not related to how smart a child is.