What is a healthy A1C level by age? While a normal A1C is generally below 5.7% for non-diabetics, target levels can vary depending on age and health conditions. Younger adults and children often aim for tighter control, typically under 6.5%, to prevent long-term complications. In older adults, especially those with other medical issues, a slightly higher A1C—around 7.0% to 7.5%—may be... https://thewebhealth.com/what-is-normal-hba1c-by-age/