What Is the Normal Blood Pressure for Each Age?

Blood pressure varies with age, activity level, and overall health. Doctors usually define “normal” based on general ranges rather than exact fixed numbers for every age group.

The condition related to high blood pressure is Hypertension, which is diagnosed when readings stay consistently above the normal range.

Blood pressure is written as:

Systolic (top number) → pressure when the heart beats
Diastolic (bottom number) → pressure when the heart rests

Example: 120/80 mmHg

Normal Blood Pressure by Age Group

1. Children (1–12 years)

Normal range: 90–110 / 55–75 mmHg
Blood pressure is lower because their bodies are smaller and arteries are flexible.

2. Teenagers (13–19 years)

Normal range: 100–120 / 60–80 mmHg
Begins to approach adult levels during puberty.

3. Adults (20–39 years)

Normal range: 110–125 / 70–80 mmHg
Ideal target: around 120/80 mmHg or lower

4. Middle-aged adults (40–59 years)

Normal range: 110–130 / 70–85 mmHg
Slight increase may happen due to lifestyle, stress, or weight changes.

5. Older adults (60+ years)

Normal range: 120–140 / 70–90 mmHg
Slightly higher readings are common due to stiffening of arteries.

Modern Medical View (Important Update)

Many health guidelines today focus less on age-based “normal” and more on a universal target:

Normal: below 120/80 mmHg
Elevated: 120–129 / <80
High (Hypertension): 130/80 or higher

So even older adults are often advised to keep blood pressure close to the same healthy range if possible.

When Blood Pressure Becomes Dangerous

You should seek medical attention if readings are consistently:

140/90 mmHg or higher (high blood pressure)
Very low (below 90/60 mmHg) with symptoms like dizziness

Key Takeaway

Blood pressure naturally changes with age
Slight increases in older age are common
But consistently high readings may indicate Hypertension and should be checked by a doctor