Blood pressure by age chart.

Low Blood Pressure Range
Blood pressure that is too low is known as Hypotension.
Systolic pressure (mm Hg)	Diastolic pressure (mm Hg)	Pressure Range
90	60	Borderline Low blood Pressure
60	40	Too Low Blood Pressure
50	33	Dangerously Low Blood Pressure
Normal Blood Pressure Range
Systolic pressure (mm Hg)	Diastolic pressure (mm Hg)	Pressure Range
130	85	High Normal Blood Pressure
120	80	Normal Blood Pressure
110	75	Low Normal Blood Pressure
High Blood Pressure Range
If one or both numbers are usually high, you have high blood pressure (Hypertension).
Systolic pressure (mm Hg)	Diastolic pressure (mm Hg)	Stages of High Blood Pressure
210	120	Stage 4
180	110	Stage 3
160	100	Stage 2
140	90	Stage 1
What should my blood pressure be according to my age?
Age	Systolic BP	Diastolic BP
3-6	116	76
7-10	122	78
11-13	126	82
14-16	136	86
17-19	120	85
20-24	120	79
25-29	121	80
30-34	122	81
35-39	123	82
40-44	125	83
45-49	127	84
50-54	129	85
55-59	131	86
60+	134	87
Blood Pressure Chart for Children
Age	Males (mmHg)	Females (mmHg)
1 - 3	80/34 - 120/75	83/38 - 117/76
4 to 6	88/47 - 128/84	88/50 - 122/83
7 - 10	92/53 - 130/90	93/55 - 129/88