After a 2009 study reported that about 1% of the global population was affected by an intellectual disability, a systematic review conducted by MAPS sought to update this statistic with recent studies. While researchers found that there was a global interest in understanding the prevalence of intellectual disabilities and a potential lower occurrence than originally reported in 2009, differences in measurements, definitions, and case reporting between the studies prevented strong comparisons to be made. Read more about the details of the study, plus the findings on the incidence of intellectual disabilities, here: https://bit.ly/2RgmmNG