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Normal Blood Pressure by Age: Adult Blood Pressure Chart
Normal blood pressure by age in adults does not use a different “normal” number for every age group. Under the American Heart Association classification, normal blood pressure is less than 120 mm Hg systolic and less than 80 mm Hg diastolic. Systolic pressure may become more likely to rise with age, but a reading such as 150/90 is not considered normal simply because someone is over 60 or 70.
A blood pressure reading contains two numbers: the top number is systolic pressure and the bottom number is diastolic pressure. If the two numbers fall into different categories, the reading is interpreted according to the higher category.
Adult Blood Pressure Classification Chart
| Category | Systolic | Diastolic |
|---|---|---|
| Normal | Less than 120 | Less than 80 |
| Elevated | 120–129 | Less than 80 |
| High blood pressure — Stage 1 | 130–139 | or 80–89 |
| High blood pressure — Stage 2 | 140 or higher | or 90 or higher |
| Severely high blood pressure | Higher than 180 | and/or higher than 120 |
Important: this table classifies a reading; it does not diagnose chronic hypertension from one measurement. Clinical assessment depends on repeated readings, correct technique and the person’s health context.
Normal Blood Pressure by Age Chart
Modern adult blood pressure guidelines do not create a new normal threshold for each decade of age. A reading below 120 systolic and below 80 diastolic remains the normal category, although a clinician may set an individualized treatment target for some patients.
| Age group | Reading classified as normal | Note |
|---|---|---|
| 18–39 years | Below 120/80 | Use the standard adult classification. |
| 40–59 years | Below 120/80 | Monitoring becomes especially important when other cardiovascular risk factors are present. |
| 60 years and older | Below 120/80 | Treatment goals may be individualized, but a high reading does not become normal because of age alone. |
Is Normal Blood Pressure Different for Older Adults?
Systolic blood pressure often becomes more likely to rise with age as arteries become less elastic, but that explains why high blood pressure is more common; it does not redefine high readings as normal. A reading of 140/90 or 150/90 should not be assumed to be normal for a 60- or 70-year-old without medical evaluation.
At the same time, a clinician may choose an individualized treatment target based on overall health, medications, fall or dizziness risk, kidney disease, cardiovascular disease, diabetes and other factors. An individualized treatment target is not the same thing as changing the classification of the reading itself.
How Common Blood Pressure Readings Are Classified
| Reading | Interpretation using AHA categories |
|---|---|
| 118/78 | Normal. |
| 120/79 | Elevated because systolic pressure is between 120 and 129. |
| 120/80 | Stage 1 because diastolic pressure has reached 80; one reading alone does not establish a diagnosis. |
| 130/70 | Stage 1 because systolic pressure is 130. |
| 130/80 | Stage 1 high blood pressure. |
| 140/80 | Stage 2 because systolic pressure is 140. |
| 140/90 | Stage 2; repeated readings should be medically reviewed. |
| 145/85 | Stage 2 because classification follows the higher category. |
| 150/90 | Stage 2 and not normal because of age. |
Why Do Blood Pressure Thresholds Differ Between Sources?
The American Heart Association classification places Stage 1 high blood pressure at 130/80 mm Hg or higher, helping identify elevated cardiovascular risk and guide follow-up.
The World Health Organization describes hypertension in adults as blood pressure of 140/90 mm Hg or higher measured on two different days. These numbers are not necessarily contradictory: one source may be describing reading categories, while another is describing a diagnostic threshold.
A reading between 130/80 and 139/89 should not simply be ignored, and a single high reading does not by itself prove chronic hypertension.
When Is Blood Pressure Severely High?
If your blood pressure is higher than 180/120 mm Hg, wait at least one minute and measure it again. If it remains this high, contact a healthcare professional promptly.
Seek emergency medical care immediately if severely high blood pressure is accompanied by new concerning symptoms such as:
- Chest pain.
- Shortness of breath.
- Sudden weakness or numbness.
- Difficulty speaking.
- Sudden vision changes.
- Severe back pain or sudden neurological symptoms.
Do not delay urgent evaluation while repeatedly checking the number when serious symptoms are present.
Before You Interpret a Blood Pressure Reading
Movement, anxiety, arm position, talking and an incorrectly sized cuff can all affect a reading. Make sure your technique is correct before comparing the result with a chart. See how to measure blood pressure correctly at home, and for consistent timing see the best time to measure blood pressure at home.
Frequently Asked Questions
Is 150/90 normal blood pressure for an older adult?
No. A reading of 150/90 falls in Stage 2 high blood pressure under the American Heart Association classification. A clinician may individualize a treatment goal for an older person, but age alone does not make 150/90 a normal reading.
Is 140/90 normal at age 60 or 70?
No. A reading of 140/90 is not classified as normal in adults or older adults. If it repeats, it should be discussed with a healthcare professional rather than being dismissed as an age-related normal value.
Is 120/80 ideal?
120/80 is often described casually as an ideal blood pressure, but under the current AHA classification, “normal” is below 120 systolic and below 80 diastolic. A diastolic value of 80 places the reading in Stage 1, while one measurement alone still does not diagnose hypertension.
Does one high reading mean I have hypertension?
Not necessarily. Stress, movement, pain, caffeine, incorrect technique and other factors can temporarily raise blood pressure. Diagnosis depends on repeated properly measured readings and clinical evaluation.
What is considered low blood pressure?
A reading below 90/60 mm Hg is commonly used as a general reference for low blood pressure, but the significance depends strongly on symptoms. Some people have low readings without problems, while dizziness, fainting, weakness or other symptoms may require evaluation.
Does this chart apply to children?
No. Blood pressure assessment in children and adolescents uses age-, height- and sex-specific criteria. This article is for adults.
Does the same chart apply during pregnancy?
Blood pressure during pregnancy requires separate clinical assessment, especially if there is new high blood pressure, severe headache, vision changes or upper abdominal pain. Do not rely on this article alone to assess blood pressure during pregnancy.
Bottom Line
Normal blood pressure by age in adults remains below 120/80 mm Hg under the American Heart Association classification. Readings such as 140/90 or 150/90 do not become normal simply because someone is older. Use repeated, correctly taken measurements and discuss persistently high readings with a healthcare professional.
Medical Sources
- American Heart Association — Understanding Blood Pressure Readings
- World Health Organization — Hypertension
- American Heart Association — 2025 High Blood Pressure Guideline
This content is for general education and is not a diagnosis or a substitute for individualized medical advice. Do not change prescribed medication based on a single reading or this article.
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