In younger individuals, blood pressure is assessed using percentile curves based on age, height, and sex. Here are some approximate averages:
Age Group Mean Systolic Mean Diastolic
1 to 3 years 80–110 mmHg 50–70 mmHg
4 to 6 years 85–115 mmHg 55–75 mmHg
7 to 10 years 90–120 mmHg 60–80 mmHg
11 to 13 years 95–125 mmHg 60–80 mmHg
14–18 years 100–135 mmHg 65–85 mmHg
In a child, a value is considered high if it is at or above the 95th percentile for their age, height, and sex.
Mean blood pressure in adults by age and sex
Although 120/80 mmHg remains a healthy target value for most adults, averages tend to increase with age due to vascular changes.
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