Normal blood pressure range: systolic blood pressure 140-90 mmHg, diastolic blood pressure 90-60mmHg.
The average blood pressure of normal young adults in China is14.7/9.3 kPa (110/70 mmhg), which is generally12.0-16.0/8.0-10.7 kPa (.
Systolic blood pressure increases with age. For every increase of 10 years old over 40 years old, the systolic blood pressure increases by 1.3 kPa (10 mmHg), and the diastolic blood pressure is all around 10.7kPa(80mmHg).