How Prevalent is Dyslexia?

  • “We now know that dyslexia affects one out of every five children-ten million in America alone.” -from Overcoming Dyslexia

    “Although research is ongoing and some results vary, the National Institutes of Health and other reputable agencies estimate that between 10 - 15% of the men, women and children in this country are dyslexic. Some people may have severe problems in several areas, such as reading, spelling, remembering, listening, and sequencing. Other people may have less severe or even mild difficulty in just one or two areas.” -from IDA Basic Facts about Dyslexia-layperson
    “About 15-20% of the population is dyslexic to a moderate degree. About 2 to 5% of the population has severe, long-lasting reading disabilities that require specialized instruction.” -from IDA Basic Facts about Dyslexia-professional
    “The impairments of dyslexia range from subtle to severe. Dyslexia is a lifelong, intrinsic condition that is modified by instruction.” -from IDA Basic Facts about Dyslexia-professional