12. Greece – 30
Greece worries about the high number of affected children and rapidly increasing of them in last three decades. For this researching, they tested school children who live in Crete and only those who have diagnosed ASD, without accompanying diseases and disorders. The initial sample had 7 661 children. As many other countries, they found a connection between gender and age of the children with ASD, concluding that the disease is more common among boys than girls.
