Please note that if you are overweight, you may have trouble when you do exercise
(like you get breathless quickly when you climb stairs) but you don't have to get guilty because mortality rate for overweight person in 6 % less thant the ones normal.
Here are categories defined by World Health Organization (WHO) :
BMI
Category
< 16.5
Severely underweight
16.5 to 18.5
Underweight
18.5 to 25
Normal
25 to 30
Overweight
30 to 35
Moderately obese (Class I)
35 to 40
Severely obese (Class II)
> 40
Very severely obese (Class III)
Here, how French population is divided in 2012 :
Category
Population
<18.5 (Underweight)
3.5%
18.5 to 24.9 (Normal)
49.2%
25 to 29.9 (Overweight)
32.3%
30 to 39.9 (Moderately or severe Obese)
13.2%
> 40 (Very severely Obese)
1.2%
Normal Body Fat Percentage (BFP) is 15 to 30 % for female and 10 to 25 % for male.