By the Numbers
Dyslexia: Quick Facts
Dyslexia is a learning difference that is inherited and affects a significant portion of the global population. Estimates for the worldwide prevalence of dyslexia symptoms range from approximately 20% of the population. Alarmingly, around 80% of the population are undiagnosed. This means that with a global population of around 8.39 billion, an estimated 1.68 billion people worldwide are dyslexic or have some degree of symptoms.
20%
of the population is affected by dyslexia
80%
remain undiagnosed
1.68B
people worldwide are dyslexic or have related symptoms
8.39B
people live on Earth 1 in 5 are dyslexic
