60+ Autism Statistics and Facts

February 19, 2024

According to data from the Centers for Disease Control and Prevention (CDC), about 1 in 36 children in the United States is diagnosed with autism.

Top 10 Key Statistics about Autism

  • According to data from the Centers for Disease Control and Prevention (CDC), about 1 in 36 children in the United States is diagnosed with autism.
  • Boys are 4x more likely to be diagnosed with autism than girls.
  • In some states, the prevalence of autism is even higher. For example, in New Jersey, 1 in 32 children is diagnosed with autism.
  • Autism is a global issue. The World Health Organization (WHO) estimates that 1 in 160 children worldwide has ASD.
  • Autism is the fastest-growing developmental disability in the U.S., with a 119.4% increase in diagnoses between 2000 and 2010.
  • The lifetime cost of supporting an individual with autism can be as high as $2.4 million.
  • Autism is often accompanied by other medical conditions, such as gastrointestinal disorders, sleep disturbances, and seizures.
  • Up to 40% of individuals with autism do not speak.
  • In the U.S., only 42% of children with autism receive developmental screening before age 3, despite recommendations for universal screening.
  • The unemployment rate for adults with autism is around 85%, compared to the national average of 3.7%.
Autism Prevelance 2000-2020

Why is Autism so Common Now?

There are several theories as to why autism has become more prevalent in recent years. Here are some possible reasons, along with statistical percentages:

  • Increased awareness and diagnosis: One reason for the increase in autism diagnoses is simply that we are better at identifying and diagnosing it. In fact, according to the CDC, only 1 in 10 children diagnosed with autism in 2002 were classified as having "autistic disorder," whereas by 2014, that number had risen to 6 in 10.
  • Changes in diagnostic criteria: Another factor contributing to the rise in autism diagnoses is changes in diagnostic criteria. For example, the most recent version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) expanded the definition of ASD to include a wider range of symptoms.
  • Environmental factors: Some researchers believe that environmental factors may play a role in the development of autism. For example, exposure to certain chemicals or pollutants during pregnancy or early childhood may increase the risk of developing ASD. Studies have also found a correlation between maternal obesity and increased risk of autism.
  • Genetic factors: While no single gene has been identified as causing autism, there is evidence that genetics play a role. According to Autism Speaks, up to 90% of the risk for developing ASD comes from genetic factors.
  • Advanced parental age: Research has shown that children born to older parents are at higher risk for developing autism. In fact, one study found that fathers over age 50 were nearly twice as likely as fathers under age 25 to have a child with ASD.

Autism Demographics

Autism affects individuals of all races, ethnicities, and socioeconomic backgrounds. Here are some demographic statistics related to autism:

  • Race/Ethnicity: According to the CDC, white children are more likely to be diagnosed with autism than Black or Hispanic children. Specifically, 1 in 32 white children is diagnosed with autism, compared to 1 in 36 Hispanic children and 1 in 54 Black children.
  • Gender: As previously mentioned, boys are more likely to be diagnosed with autism than girls. However, recent studies suggest that this gender disparity may be due in part to underdiagnosis of girls rather than a true difference in prevalence.
  • Age: Autism can be diagnosed at any age, but most commonly it is identified during early childhood. According to the CDC, the median age of diagnosis for ASD is around 4 years old.
  • Geography: The prevalence of autism varies by state and region. For example, according to data from the Autism and Developmental Disabilities Monitoring (ADDM) Network, the states with the highest prevalence of autism are New Jersey (1 in 32), Arizona (1 in 71), and Maryland (1 in 73).
  • Education Level: Research suggests that parents' education level may impact their child's likelihood of being diagnosed with autism. One study found that children born to mothers who did not complete high school were more likely to be diagnosed with ASD than those born to mothers who had completed college.
  • Income Level: Autism affects individuals from all income levels, but research has shown that families with lower incomes may face greater challenges accessing services and support for their child's needs. One study found that families earning less than $50,000 per year were less likely to receive a diagnosis of ASD before age 6 compared to families earning over $50,000 per year.
Autism Statistics in 2023

Comorbid Conditions

  • Individuals with autism often have comorbid conditions, such as anxiety disorder, attention deficit hyperactivity disorder (ADHD), and intellectual disability.
  • According to a study published in the journal Pediatrics, 64% of children with autism have at least one co-occurring condition.
  • The prevalence of anxiety disorders in individuals with autism is estimated to be as high as 40%.
  • ADHD is also highly prevalent in individuals with autism. According to the CDC, about 28% of children with ASD have a co-occurring diagnosis of ADHD.

Educational and Employment Outcomes

  • Individuals with autism face significant challenges in education and employment.
  • According to a report by the National Autistic Society, only 16% of adults with autism are in full-time employment, compared to 47% of disabled people and 80% of non-disabled individuals.
  • In addition, individuals with autism often struggle to find work that is appropriate for their skills and interests. A study by the Drexel Autism Institute found that only 58% of young adults with autism had ever worked for pay outside the home, and only 42% were currently employed.
  • Education can also be challenging for individuals with autism. According to a report by the U.S. Department of Education, only 22% of students with ASD graduate from high school on time, compared to the national average of 83%.
  • Furthermore, research has shown that individuals with autism are less likely than their peers to pursue post-secondary education. One study found that just 41% of young adults with ASD attended college after high school, compared to 60% of young adults without disabilities.

Financial Impact of Autism

The financial impact of autism can be significant for families and society as a whole. Here are some statistics related to the cost of autism:

  • The lifetime cost of supporting an individual with autism can be as high as $2.4 million.
  • In the U.S., the annual cost of autism is estimated to be between $236 billion and $262 billion.
  • Families with children who have ASD experience higher out-of-pocket medical expenses, spending nearly four times more on healthcare than families without a child with autism.
  • According to a study published in JAMA Pediatrics, families with children who have ASD also face higher non-medical costs, such as therapy and special education services, which can add up to tens of thousands of dollars per year.
  • The financial burden of caring for individuals with autism often falls on parents or other family members. In fact, one study found that mothers of children with ASD earn 35% less on average than mothers of children without disabilities.
  • Society also bears a significant portion of the financial burden associated with autism. For example, the cost of special education services for children with ASD in the U.S. is estimated to be around $12 billion per year.
WHO autism prevalence

Autism and Genetics

While the exact cause of autism is not known, genetics are believed to play a significant role. Here are some statistics related to autism and genetics:

  • According to Autism Speaks, up to 90% of the risk for developing ASD comes from genetic factors.
  • Studies have identified hundreds of genes that may contribute to the development of autism.
  • In families with one child with ASD, the chance of a second child also having ASD is around 18.7%. This is significantly higher than the general population risk of around 1%.
  • The risk of having a child with autism increases with maternal age. For example, mothers over age 40 are more than twice as likely as mothers under age 30 to have a child with ASD.
  • While no single gene has been identified as causing autism, researchers have found that certain genetic mutations or variations may increase an individual's risk. For example, mutations in the SHANK3 gene have been linked to a rare form of ASD known as Phelan-McDermid Syndrome.

Autism and Gender

Autism affects boys more often than girls, with a male-to-female ratio of approximately 4:1. However, recent studies suggest that this gender disparity may be due in part to underdiagnosis of girls rather than a true difference in prevalence. Here are some statistics related to autism and gender:

  • A study published in the Journal of Autism and Developmental Disorders found that girls with autism tend to have better social communication skills than boys with autism, which may make it more difficult for them to receive a diagnosis.
  • According to data from the CDC, 1 in 42 boys is diagnosed with autism, compared to 1 in 189 girls.
  • Girls with autism are more likely than boys with autism to have co-occurring conditions such as anxiety disorder or depression.
  • Research has shown that girls with autism often develop coping mechanisms that allow them to mask their symptoms, which can make it harder for them to receive a diagnosis.
  • Girls who do receive an autism diagnosis tend to be diagnosed later than boys, on average at age 4.5 compared to age 3.8 for boys.

Autism and Healthcare Costs

  • According to a study published in JAMA Pediatrics, the average medical cost for a child with autism is around $17,000 per year. This is nearly 4.5 times higher than the average medical cost for a child without ASD.
  • Children with ASD also have higher rates of hospitalization than their peers. One study found that children with ASD were more than twice as likely as children without ASD to be hospitalized.
  • The cost of caring for individuals with autism can place a significant strain on families' finances. In fact, according to the National Autistic Society, families with a child who has autism spend an average of $60,000 per year on direct and indirect costs associated with their child's condition.
  • Additionally, many individuals with autism require specialized healthcare services that may not be covered by insurance. For example, speech therapy and occupational therapy are often recommended for children with ASD, but these services may not be covered by all insurance plans.
  • The high cost of caring for individuals with autism also places a burden on society as a whole. In one study, researchers estimated that the annual societal cost of caring for individuals with ASD in the U.S. was around $268 billion.
  • Finally, it's worth noting that many individuals with autism also have co-occurring medical conditions that require additional healthcare resources. For example, according to Autism Speaks, up to 70% of individuals with ASD have gastrointestinal symptoms such as constipation or diarrhea.
Autism rates white vs hispanic and black

Autism and Bullying

Individuals with autism are at increased risk of being bullied compared to their peers. Here are some statistics related to autism and bullying:

  • According to a study published in the Journal of Developmental and Behavioral Pediatrics, 46% of children with ASD have been bullied at some point in their lives.
  • Another study found that children with ASD were more likely than typically developing children to be both victims and perpetrators of bullying.
  • Children with autism may be particularly vulnerable to bullying due to difficulties with social communication and understanding social cues.

Autism and Diagnosis and Early Intervention

  • Early diagnosis and intervention can improve outcomes for individuals with autism.
  • According to the CDC, children who receive an early diagnosis of ASD and early intervention services show significant improvements in cognitive ability, language development, and adaptive behavior.
  • However, research has shown that many children with autism are not diagnosed until after age 4, which may delay their access to important interventions.
  • Studies have found that the average age of diagnosis for ASD is around 4 years old, but this varies by race/ethnicity. For example, African American and Hispanic children tend to receive a diagnosis later than white children.
  • The American Academy of Pediatrics recommends that all children be screened for autism at 18 months and again at 24 months. However, research has shown that many pediatricians do not follow these guidelines consistently.
  • In addition to screening tools, diagnostic assessments such as the Autism Diagnostic Observation Schedule (ADOS) or the Childhood Autism Rating Scale (CARS) may be used to evaluate a child's symptoms and determine whether they meet criteria for an ASD diagnosis.

FAQs

What is autism?

Autism, or Autism Spectrum Disorder (ASD), is a neurodevelopmental disorder that affects communication, social interaction, and behavior. It is called a "spectrum" disorder because it can present in many different ways and with varying degrees of severity.

How common is autism?

According to the CDC, approximately 1 in 54 children in the U.S. has been diagnosed with ASD. It is four times more prevalent in boys than girls.

What are the signs of autism?

The signs of autism can vary widely depending on the individual, but some common symptoms include difficulty with social communication and interaction, repetitive behaviors or interests, and difficulty with sensory processing.

Can autism be cured?

There is no cure for autism, but early intervention and therapy can help individuals with ASD learn new skills and improve their quality of life.

Is there a genetic component to autism?

Yes, genetics are believed to play a significant role in the development of ASD. While no single gene has been identified as causing autism, researchers have identified hundreds of genes that may contribute to its development.

How do you diagnose autism?

Diagnosing autism typically involves a comprehensive evaluation by a team of healthcare professionals. This may include assessments such as the Autism Diagnostic Observation Schedule (ADOS) or the Childhood Autism Rating Scale (CARS).

What treatments are available for individuals with autism?

There is no one-size-fits-all treatment for autism. Treatment plans should be individualized based on each person's unique needs and strengths. Some common interventions include behavioral therapy, speech therapy, occupational therapy, and medication management for co-occurring conditions such as anxiety or ADHD.

How can I support someone with autism?

Supporting someone with autism involves understanding their unique needs and challenges and providing them with appropriate accommodations and resources. This might include creating a structured environment, using visual aids to aid communication, and providing opportunities for social interaction and sensory regulation.

Conclusion

In conclusion, autism is a complex and multifaceted disorder that affects millions of individuals worldwide. Understanding the statistics associated with autism can help promote awareness and encourage early intervention. With appropriate support and resources, individuals with autism can lead fulfilling and meaningful lives.

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