Celebrated annually on 18 June since 2005,

Aim : to celebrate neurodiversity and the rights of autistic people worldwide.

• Origin: Launched by Aspies For Freedom in 2005; date chosen for the birthday of a founding member.

About Autism Spectrum Disorder

• Definition : A group of neurodevelopmental conditions characterised by persistent social‑communication challenges and restricted, repetitive patterns of behaviour.
• Prevalence
  • Global estimate: 1 percent of the population (around 1 in 100 children)
  • India: estimated 1 to 5 percent of children aged 2–9 years (≈18 million people)