I noticed on HuffPost that official numbers for children on the autism spectrum has risen. In 2012 it was 1-in-88 and now it is 1-in-68 – in the USA. It is still primarily detected in males, 1-in-42 and white populations. Across the sexes it was 1-in-45 in New Jersey, compared to 1-in-175 in Alabama, highlighting the racial disparity.
Taking the stats one step further, for boys in New Jersey it would be more like 1-in-35, or in other words, one per school class.
One reason for the increased numbers is the inclusion of Aspergers into the spectrum of autism.