The youngest age at which a child can be diagnosed with Type 1 diabetes can be as young as 4 years old.
While diabetes can occur at any age, Type 1 diabetes commonly appears in children at two peak ages. According to research, these peaks occur:
- Between 4 and 7 years old.
- Between 10 and 14 years old.
Therefore, the answer to the question is that diabetes, specifically Type 1 diabetes, can be diagnosed as early as 4 years old.