Normal Blood Pressure by Age
There isn’t a single “normal” blood-pressure number for each age. For adults, blood-pressure categories are generally based on the reading itself rather than assigning a different normal range to every age.
For adults, commonly used categories are:
| Blood pressure | Systolic | Diastolic |
|---|---|---|
| Normal | <120 | and <80 mmHg |
| Elevated | 120–129 | and <80 |
| High — Stage 1 | 130–139 | or 80–89 |
| High — Stage 2 | ≥140 | or ≥90 |
| Severely high | >180 | and/or >120 |
These categories are based on American Heart Association guidance.
👶 Children and teenagers
Children are different. Normal blood pressure depends on age, sex, and height, so pediatric blood pressure isn’t interpreted using the adult table.
👵 What about older adults?
It’s a common misconception that 140/90 or 150/90 automatically becomes “normal” simply because someone is elderly. Blood pressure targets can be individualized based on overall health, frailty, medications, and other conditions.
Also, one high reading doesn’t necessarily mean you have hypertension. Blood pressure varies throughout the day, and diagnosis generally requires repeated measurements.
🚨 When is it an emergency?
If your blood pressure is over 180/120 mmHg, wait at least 1 minute and measure it again. If it remains that high, contact a healthcare professional promptly. If it’s accompanied by chest pain, shortness of breath, weakness/numbness, vision changes, difficulty speaking, severe headache, or confusion, seek emergency medical care immediately.
If you tell me your age and your latest blood-pressure reading (for example, 145/90), I can explain what that particular reading means.
