Body Mass Index (BMI)

The Body Mass Index (BMI) is defined as body weight (in kilograms) divided by height squared (in metres) and is considered the best indirect measure of body fat. A classification table published by WHO and based on BMI ratios is used for determining the extent to which a person is overweight or obese. These limits define a person with a BMI of between 18.5 and 24.9 as being of normal weight, of between 25.0 and 29.9 as overweight and of 30.0 and over as obese. The figures below refer to the population aged 20 years and more.

In Austria 42% of men and 56% of woman are of normal weight. Accordingly, more than half of the male population can be described as overweight (41%) or obese (16%). Among women, a smaller percentage is overweight (27%) or obese (14%).

Comparing the results of the 2006/07 survey with the current one, then a rise in the number of obese persons can be discerned for both genders. Overall, the number of obese men has risen by 3 percentage points, among women by one percentage point.

Results (overview): Body Mass Index (BMI) by age and sex 2006/07 and 2014

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