The correct answer is 20% on average. The ideal percentage rate of a healthy man with normal weight is 18 to 22%. However, a range of 7-13% is considered normal for male professional athletes, because their muscular mass is much greater. The physiological minimum rate which is acceptable for males is 4-6%.
The expression of a healthy weight can be done using the body mass index<span> (</span>BMI<span>). This is an expression calculated using height and weight, and would be different for men and women. For a man, the correct BMI range would be between 19 and 25, but this really depends on the height of the man.</span>
