Overweight and obesity

Many Australians are overweight or obese. This puts them at higher risk of developing chronic conditions, such as diabetes and heart disease. Find out what we’re doing to reduce and prevent overweight and obesity in Australia.

About healthy weight

Read about what a healthy weight is, and why it’s important at every age and life stage.

Factors that affect weight

Learn more about the many factors that contribute to overweight and obesity.

BMI and waist size

Find out why body mass index (BMI) and waist size matter, and how to measure them.

What we're doing

See what we’re doing to help reduce overweight and obesity in Australia.

Key guidelines

These guidelines provide up-to-date advice about the amount and kinds of foods you should eat for your health and wellbeing. The recommendations are based on scientific evidence and research.

The Australian Dietary Guidelines

Did you know?

2 in 3 adults

are overweight (36%) or obese (31%)

1 in 4 children

aged 2 to 17 are overweight or obese

3 in 4 adult men

are overweight or obese, compared with about 60% of women

Source: Australian Institute of Health and Welfare



National Obesity Strategy 2022–2032

The National Obesity Strategy is a 10-year framework for action to prevent, reduce, and treat, overweight and obesity in Australia. It focuses on prevention, but also includes actions to better support Australians who are living with overweight or obesity, to live their healthiest lives.