- In This Article
- Recommendations
- Ratings
- How to choose
- By the numbers
- Types
- What's high blood pressure?
- How to check your pressure
By the numbers
Last reviewed: September 2009
High blood pressure is a systolic (heart pumping) pressure of 140 millimeters of mercury (mm Hg) or greater or a diastolic (between heartbeats) pressure of 90 mm Hg or greater on at least two occasions.
| High blood pressure | |
|---|---|
| 73 | million U.S. adults have high blood pressure. |
| 65 | percent do not have their high blood pressure under control. |
| 21 | percent don't know they have it. |
