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Epidemiology of Autism Spectrum Disorders: A Review of Worldwide Prevalence Estimates Since 2014

Reference Center for the Behavioural Sciences and Mental Health, Italian National Institute of Health, 00161 Rome, Italy
Authors to whom correspondence should be addressed.
Brain Sci. 2020, 10(5), 274;
Received: 29 March 2020 / Revised: 20 April 2020 / Accepted: 21 April 2020 / Published: 1 May 2020
(This article belongs to the Special Issue Advances in Autism Research)
The prevalence of Autism Spectrum Disorder (ASD) has increased dramatically in recent decades, supporting the claim of an autism epidemic. Systematic monitoring of ASD allows estimating prevalence and identifying potential sources of variation over time and geographical areas. At present, ASD prevalence estimates are available worldwide, coming either from surveillance systems using existing health and educational databases or from population studies specifically performed. In the present article, we present a review of the ASD prevalence estimates published since 2014. Data confirm a high variability in prevalence across the world, likely due to methodological differences in case detection, and the consistent increase of prevalence estimates within each geographical area. View Full-Text
Keywords: prevalence estimate; autism; predictors; surveillance review prevalence estimate; autism; predictors; surveillance review
MDPI and ACS Style

Chiarotti, F.; Venerosi, A. Epidemiology of Autism Spectrum Disorders: A Review of Worldwide Prevalence Estimates Since 2014. Brain Sci. 2020, 10, 274.

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