What Are Normal Blood Pressure Values According to Age?

1. What Is Blood Pressure, Really?

Blood pressure measures how hard your heart pushes blood through your arteries. It’s written as two numbers, such as 120/80 mmHg:

• Systolic pressure (top number): pressure when the heart beats.

• Diastolic pressure (bottom number): pressure when the heart relaxes.

So if your reading is 120/80, that means your heart works just right — not too hard, not too soft. These two numbers together reveal how well your circulatory system is functioning.

2. Why Blood Pressure Changes With Age

Your average blood pressure isn’t fixed forever. As you age, your arteries stiffen, and your body changes — that’s perfectly natural. In childhood, blood pressure tends to be low. It rises slightly through adulthood, especially if lifestyle habits like diet or stress start to take a toll.

Factors that affect your readings include:

• Hormones and body growth

• Physical activity levels

• Salt and caffeine intake

• Stress and sleep quality

• Genetics

That’s why knowing your normal blood pressure by age helps you understand what’s healthy for you.

3. Normal Blood Pressure by Age Chart

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