![]() The higher the waist measurement in proportion to the hips, the greater this risk. Research has shown that people with a high WHR are more likely to develop CVD and diabetes. A high WHR indicates when an individual has higher levels of visceral fat, the fat in the abdominal cavity that surrounds several major organs. However, it should not be the only measure for an individual to assess whether their weight is ideal.Ī person’s WHR compares their waist size with that of their hips. This inaccuracy may lead to a misdiagnosis or an incorrect assessment of risk factors between individuals.īMI can offer a rough idea of whether or not a person is at a moderate weight, and it is useful for measuring trends in population studies. Studies have shown that at the same BMI, non-Hispanic white, non-Hispanic Black, and Mexican Americans may have significantly different levels of body fat. They can have a high BMI because they have more muscle mass, but this does not mean they weigh too much for their height.Īnother limitation of BMI is that it does not distinguish between people of different ethnicities. For example, high-performance athletes tend to be very fit and have little body fat. While it takes height into consideration, it does not account for factors such as: What is the problem with BMI?īMI is a very simple measurement. The CDC’s BMI charts for children use percentiles that compare measurements with boys and girls of the same age and gender. To calculate a child’s BMI, a person can use the CDC’s calculator for children and teenagers. The Centers for Disease Control and Prevention (CDC) use both age and natal sex in its BMI calculations for people between the ages of 2–19 years. In the United States, average BMI goes from around 27 in the 18-24 age range up to 30 for all ages 35-74.Age is not a factor in BMI for adults, but it is for children. However, comparing adult BMIs is an interesting exercise. Consult a professional if you have any concerns about BMI.Īs I've noted in this post, you can't directly compare BMI between children and adults who are still growing versus adults who have stopped. Here are the BMI statistics for adult age ranges in the United States: Age Rangeĭisclaimer: nothing on this site is medical advice! BMI is best used contextually, and BMI readings for still-growing youth mean something different than for adults at terminal height. Here are summary BMI statistics for children under age 18 in the United States: Age RangeīMI Distribution by Age for Adults in the United States While relative BMI is important, the CDC evaluates BMIs for children (and even young adults) with growth potential differently. Note that BMI for children shouldn't be compared directly to adult BMIs. BMI Statistics for Children in the United States, by Age Range The United States adult BMI median was 28.2. ![]() In 2016, the United States adult BMI average was 29.3. Median and Average BMI by Age in the United States Heights and weights measured at a mobile examination center. BMI Percentile by Age Calculator for the United Statesĭata comes from 5,662 adults with valid BMIs in the CDC's 2015-16 NHANES survey. Use our BMI Calculator to compute Body Mass Index. Select multiple age ranges to see how BMI distribution changes for citizens of different ages in the United States.īMI, or Body Mass Index, is based on height and weight and estimates whether a person is in a healthy body composition range. Enter an age range and a BMI to rank it in the BMI distribution by age. On this page is a BMI percentile by age calculator for ages 2 years old and older in the United States.
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