The ideal weight for a man 5'9" is on the low side 146 on the high side 174.
ideal weight depends on height not on age.
The ideal weight is 160 pounds for a 29 year old man that is 6''0 tall.
185
175
The ideal weight of a 61 year old man who is 5' 3" tall is about 127 pounds.
75 kgs
160
95kg
The ideal body weight for a 6'3 tall 25 year is anywhere from 190-210 pounds.
200 kgs
The ideal weight for a 16-year-old who is 5'3 should weigh about 115 pounds.
125. Note: based only on averages.