What is a healthy A1C level by age? A healthy A1C level is generally below 5.7%, indicating normal blood sugar control. However, ideal A1C targets vary by age and health status. For children and teens with diabetes, the recommended goal is often below 7.5% to balance effective glucose control with safety. Adults under 65 typically aim for an A1C under 7%, while older adults (65 and ol... https://thewebhealth.com/what-is-normal-hba1c-by-age/