What is Dyslexia’s frequency in children?
Dyslexia is the most prevalent developmental disorder. Its frequency essentially varies according to the attributes of the language the child has to learn. In languages with subtle letter and sound accord, the ones known as “opaque” tongues e.g. English, around 15% of the adolescent population has dyslexia.
On the contrary, in more clear languages with a distinct letter and sound accord which are characterised by easily pronounced syllables e.g. Spanish, the prevalence in the adolescent population is just 5%. Statistically-wise, this means that there is likely one student with dyslexia in a very classroom.
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