what is normal range for blood pressure
Now a blood pressure of 120/80 is considered normal, and blood pressure readings of 130â139 are considered pre-hypertension. Readings above 140/90 are considered high blood pressure, and the current thinking is that anyone falling into this category should be taking medication to lower blood pressure.lood Pressure Ranges Chart. As you age, your blood vessels become more rigid, and it's not uncommon for your systolic pressure (the top number) to increase. Although a reading of 120/80 is considered textbook normal, someone over age 40 can have a 140/90 reading and it can be considered perfectly acceptable.