Reading: The Average BMI by Age
stanciuc/iStock/Getty Images Knowing the average BMI — soundbox mass index — for your historic period group can help you determine how you compare to other people of the like age, but, even if you have an average BMI, it does n’t necessarily mean you ‘re goodly. In fact, for many senesce groups, having an median BMI may classify you as corpulence .
Video of the Day
Contents
Average BMI for Children
Body mass index is interpreted a bit differently in children than in adults, as they ‘re still growing and mature at different rates. rather of having good one stage set range of goodly BMIs, it ‘s necessary to check a BMI-for-age chart to check whether the BMI is between the 5th and 85th percentile for that senesce group. For boys and girls between 2 and 7 years old, the median BMI is somewhere between 16 and 17 as of 2010, depending on senesce and gender, but the range of what is healthy is broader than this. For example, a 5-year-old boy is considered healthy with a BMI from 13.8 and 17. The median BMI for an 8-year-old male child is 17.9, and girls of the same senesce have an average BMI of 18.3. By the long time of 12, the average BMI for both girls and boys is 21.3, with a healthy range of approximately 15 to 21.8 for boys and 14.8 to 22.5 for girls .
ad
Average BMI for Adolescents
Because teenagers are still going through puberty and growing, they can be healthy even if their BMI falls a bite outside what ‘s considered healthy for an pornographic. The average BMI for a 13-year-old boy is 21.9 ; for a girl of the same senesce it ‘s slightly higher, at 22.1, The healthy BMI range for 13-year-olds is 15.5 to 22.6 for boys and 15.3 to 23.3 for girls. By the old age of 18, the median BMI for a boy is 26.1, and for a girl, it ‘s 24.6. The healthy range is 18.2 to 26.3 for boys and 17.6 to 26.1 for girls .
Average BMI for Adults
For adults, the goodly BMI range is from 18.5 to 24.9, careless of age or gender, and anything over this means you are considered fleshy for your height. The modal BMI for women age 20 and older is 28.7. Women 80 years and older have the lowest average BMI, at 26.7, followed by those between 20 and 29 years old, at 27.5, and women from 60 to 69 have the highest, at 29.6. For men, the average BMI for those 20 and older is 28.6, with the lowest average in the 20-to-29-year age group, at 26.8, and the highest in the 60-to-69-year senesce group, at 29.5. These average BMIs all fall within the corpulence classification, meaning the average american adult is overweight .
ad
BMI Considerations
just looking at the average BMI might not tell the whole report. People tend to fall into one of four different trajectories in adulthood, including convention burden, corpulence, early on adulthood fleshiness and late adulthood fleshiness, and they normally stick within these groups, according to an article published in the International Journal of Epidemiology in 2011 .
BMI is n’t necessarily an accurate predictor of body fat, either. It frequently overestimates body fatten in those who are very mesomorphic, and underestimates it in the aged .
ad
BMI besides does n’t take into account where you carry your slant. Having a big waist is an indicator that you may have an excessive sum of a dangerous type of adipose tissue called intuitive fat that surrounds the organs. The waist-to-hip proportion can be helpful to determine if you have this character of dangerous fatty. Divide your waist circumference in inches by your pelvis circumference in inches. Your waist-to-hip proportion should ideally be below 0.8. A higher number indicates an increased risk for heart disease and other health problems .
ad