A1C Levels by Age Chart: HbA1c Normal Ranges and Goals
Use this comprehensive A1C levels by age chart to understand HbA1c normal ranges and target goals across different age groups. Our interactive tool helps you explore age-specific A1C targets for better diabetes management.
HbA1c Normal Range Chart - General Classifications
Normal HbA1c levels
Below 5.7%
Healthy range indicating good blood sugar control
Prediabetes range
5.7% - 6.4%
Higher than normal, indicating increased risk of developing diabetes
Diabetes range
6.5% or higher
Indicates diabetes when confirmed with additional testing
Understanding A1C Levels by Age Chart
- HbA1c normal ranges vary by age group and individual health factors
- Regular A1C testing is recommended every 3-6 months for people with diabetes
- A1C goals by age chart should be used as a general guide - consult your healthcare provider
- HbA1c test results can be affected by certain medical conditions and medications
- Age-specific A1C targets consider different health factors and risks at various life stages
HbA1c Normal Range Chart by Age Group
| Age Range | Normal HbA1c Range | Men's Target | Women's Target |
|---|---|---|---|
| 20-39 years | 4.0-6.0% | 4.1-6.1% | 4.0-5.8% |
| 40-59 years | 4.1-6.2% | 4.0-6.2% | 4.1-6.1% |
| 60+ years | 4.4-6.6% | 4.4-6.6% | 4.4-6.5% |
Frequently Asked Questions About A1C Levels
What is a healthy A1C level by age?
A healthy A1C level varies by age:
- Children and adolescents: Less than 7.5%
- Adults (19-64): Less than 7.0%
- Elderly (65+): Between 7.0% - 8.0%
- Non-diabetic adults of all ages: Below 5.7%
Do A1C levels rise with age?
Yes, A1C levels tend to rise slightly with age, even in people without diabetes. Research shows that A1C levels can increase by 0.1-0.2% per decade of life. This is why elderly individuals may have slightly higher target ranges. However, significant increases should always be evaluated by a healthcare provider.
What is an acceptable HbA1c level for age?
Acceptable HbA1c levels vary by age and health status:
- Ages 20-39: 4.0-6.0%
- Ages 40-59: 4.1-6.2%
- Ages 60+: 4.4-6.6%
- For people with diabetes, targets are individualized based on age and health factors
What is the safest A1C level?
The safest A1C level is below 5.7% for people without diabetes. For people with diabetes, the American Diabetes Association recommends a target of 7% or lower for most adults. However, "safe" levels are individual and should be determined with your healthcare provider based on your age, health conditions, and risk factors.
What A1C is no longer diabetic?
An A1C below 6.5% is considered non-diabetic range, but this doesn't mean diabetes is "cured." Even if you achieve an A1C below 6.5% through treatment, you still have diabetes and need to continue your management plan. The ranges are:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or higher
What is the healthiest HbA1c?
For people without diabetes, the healthiest HbA1c is below 5.7%. This indicates normal blood sugar control. However, for people with diabetes, the "healthiest" level is individualized. While many adults aim for below 7%, factors like age, overall health, and risk of low blood sugar episodes influence what's considered "healthiest" for each person.
Important Note: These answers are general guidelines. Always consult with your healthcare provider to determine your personal A1C goals based on your individual circumstances.