Normal A1C by age indicates average blood sugar levels over the past 2–3 months. For most healthy adults, a normal A1C is below 5.7%. Children and teens with diabetes often have a target below 7.5% to balance blood sugar control and safety. Adults usually aim for A1C levels under 7% when managing diabetes. Older adults (65+) may have a slightly higher target, between 7% and 8%, to red... https://thewebhealth.com/what-is-normal-hba1c-by-age/