Does BMI chart change with age? (2023)

Does BMI chart change with age?

BMI changes substantially with age. After about 1 year of age, BMI-for-age begins to decline and it continues falling during the preschool years until it reaches a minimum around 4 to 6 years of age. After 4 to 6 years of age, BMI-for-age begins a gradual increase through adolescence and most of adulthood.

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Is BMI accurate for all ages?

BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.

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Do you need age to calculate BMI?

Birth Date must be at least 2 years before Date of Measurement. If the child is under 2 years old, you cannot calculate BMI. Consult a healthcare provider for assessment. Based on the Birth Date and Date of Measurement, the calculated age is 20 years or older.

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Is BMI different for older adults?

In older adults it is often better to have a BMI between 25 and 27, rather than under 25. If you are older than 65, for example, a slightly higher BMI may help protect you from thinning of the bones (osteoporosis).
...
Information.
BMICATEGORY
25.0 to 29.9Overweight
30.0 to 39.9Obese
Over 40Extreme or high risk obesity
2 more rows
13 Aug 2020

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Does BMI change over time?

The overall distribution of BMI categories did not significantly change over time (p-value 0.95), so the majority of this study population was obese at every time point (52.2% at baseline, 53.5% at 3 months, and 52.9% at 6 months).

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Why does age matter in BMI?

BMI-for-age relates to health risks. BMI-for-age correlates with clinical risk factors for cardiovascular disease, including high cholesterol and high blood pressure (Reilly et al.

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How do you calculate BMI with age?

Body Mass Index is a simple calculation using a person's height and weight. The formula is BMI = kg/m2 where kg is a person's weight in kilograms and m2 is their height in metres squared. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9. BMI applies to most adults 18-65 years.

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How do you read BMI by age?

Underweight: BMI is below the 5th percentile age, gender, and height. Healthy weight: BMI is equal to or greater than the 5th percentile and less than the 85th percentile for age, gender, and height. Overweight: BMI is at or above the 85th percentile but less than the 95th percentile for age, gender, and height.

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What is the average BMI by age?

BMI Distribution by Age for Adults in the United States
Age Range25th Percentile BMIAverage BMI
18-2421.927.1
25-2922.527.9
30-3424.429.6
35-3924.730.2
8 more rows

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What is a good BMI for 70 year old?

Doctors recommend most adults keep their BMI between 18 and 24.9. Adults with a BMI over 25 are considered obese. On the other hand, older adults do better if they have a BMI between 25 and 27. Research shows that adults over 65 who are underweight experience more health issues and shorter life expectancy.

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Does BMI depend on age gender?

One note: While BMI is calculated the same way for children and teens, its interpretation and how it relates to weight status is dependent on age and sex. BMI calculations are not adjusted for gender (except when they're used for children and teens), so BMI charts are the same for adult men and women.

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Why does BMI not work for elderly?

Although BMI can be used on most adults, it does have some limitations: It may overestimate body fat in athletes and people who have a muscular build; and. It may underestimate body fat in older persons and people who do not have a lot of muscle tissue.

Does BMI chart change with age? (2023)
What is a good BMI for a 63 year old woman?

Calculating BMI, or body mass index, is another way to help determine ideal body weights in women over age 60. Desirable, healthy BMIs are 18.5 to 24.9, according to the National Heart, Lung and Blood Institute.

How much should a 75 year old woman weigh?

The average American woman 20 years old and up weighs 170.6 pounds and stands at 63.7 inches (almost 5 feet, 4 inches) tall.
...
What's the Average Weight for Women?
Age group (years)Percent considered overweight or obesePercent considered obese
45-5469.542.9
55-6474.548.2
65-7475.643.5
75 and up67.432.7
3 more rows
27 Nov 2018

Does BMI increase as you get older?

Weight is associated with a number of demographic and socioeconomic factors. Research has shown that BMI increases with age (Ogden et al., 2006; Sakamoto, 2006).

When did the BMI chart change?

In 1998, the U.S. National Institutes of Health brought U.S. definitions in line with World Health Organization guidelines, lowering the normal/overweight cut-off from a BMI of 27.8 (men) and 27.3 (women) to a BMI of 25.

Why are BMI charts not always accurate?

BMI (body mass index), which is based on the height and weight of a person, is an inaccurate measure of body fat content and does not take into account muscle mass, bone density, overall body composition, and racial and sex differences, say researchers from the Perelman School of Medicine, University of Pennsylvania.

At what age does BMI peak?

BMI first increases from birth and reaches a maximum at the age of 9 months (adiposity peak (AP)) and decreases thereafter to reach a nadir at the age of 4-6 years (Silverwood et al., 2009; Koyama et al., 2014;Péneau et al., 2016). A later timing and a higher BMI at AP have been associated with childhood obesity. ...

Does your ideal weight change with age?

Data suggest that optimum body mass index tended to be higher for older adults compared with the young and middle-aged population, and interestingly, being heavier than recommended by the current guidelines resulted in the lowest mortality rates.

What should my BMI be for my age and weight?

A BMI of less than 18.5 means a person is underweight. A BMI of between 18.5 and 24.9 is ideal. A BMI of between 25 and 29.9 is overweight. A BMI over 30 indicates obesity.

What is a good BMI reading for a woman?

Your healthcare provider might determine possible reasons for underweight and recommend support or treatment. Maintaining a weight in the healthy BMI range is one way to support overall health as you age.
...
Adult BMI Calculator.
BMIWeight Status
18.5—24.9Healthy Weight
25.0—29.9Overweight
30.0 and AboveObesity
1 more row

What is a good BMI for a 57 year old woman?

Doctors consider a moderate BMI for women to be 18.5–24.9. A BMI of 30 or above may indicate obesity.

Is BMI over 80 possible?

However, there have been no reports concerning the mortality and morbidity rates of patients with BMI values of >80 (super-super-super obese); this degree of obesity might lead to severe disturbance of the microcirculation disturbance in the fatty tissue, which may be complicated by infection (12,13).

How much should a 72 year old weigh?

Normal weight at 118 to 159 pounds (BMI = 18.5-24.9) Overweight at 160 to 191 pounds (BMI = 25-29.9)

Why does my BMI say I'm overweight when I'm not?

BMI doesn't account for body composition, which means it misses the difference between muscle mass and fat. Because muscles are more dense and heavier than fat, bodybuilders and other professional athletes like football players are often considered obese or overweight based on their BMI alone.

How much should a 5'5 female weigh?

Height and Weight Chart
HeightWeight
5' 5"114 to 149 lbs.150 to 179 lbs.
5' 6"118 to 154 lbs.155 to 185 lbs.
5' 7"121 to 158 lbs.159 to 190 lbs.
5' 8"125 to 163 lbs.164 to 196 lbs.
17 more rows

What is a good BMI for a 60 year old woman?

Calculating BMI, or body mass index, is another way to help determine ideal body weights in women over age 60. Desirable, healthy BMIs are 18.5 to 24.9, according to the National Heart, Lung and Blood Institute.

Is the BMI chart outdated?

Though it has been used for decades as the go-to measurement for health based on body size, it has been widely criticized for its oversimplification of what being healthy really means. In fact, many claim BMI is outdated and inaccurate and shouldn't be used in medical and fitness settings.

How much should a 5'2 female weigh?

Weight and height guide chart
HeightNormal weight BMI 19–24Overweight BMI 25–29
5 ft 2 in (62 in)104–131 lb136–158 lb
5 ft 3 in (63 in)107–135 lb141–163 lb
5 ft 4 in (64 in)110–140 lb145–169 lb
5 ft 5 in (65 in)114–144 lb150–174 lb
15 more rows

What is a healthy weight for a 70 year old female?

Normal weight at 118 to 159 pounds (BMI = 18.5-24.9) Overweight at 160 to 191 pounds (BMI = 25-29.9) Obese at 192 pounds or more (BMI = 30+)

What is the most attractive BMI for a woman?

(28) found that a BMI of 20 was considered the most attractive, while Swami et al. (29), and MacNeill and Best (30), found that an underweight body was most frequently selected.

What is the ideal weight for a 73 year old woman?

BMI chart
BMI1925
71136179
72140184
73144189
74148194
15 more rows
27 Nov 2018

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