The State of Weight Loss in Australia
A comprehensive look at the latest data on weight, diet and nutrition across Australia, drawn from ABS, AIHW and peer-reviewed research.
Overweight and Obesity Overview
BMI Classification of Australian Adults
Measured and imputed body mass index, adults aged 18+
31.7% of Australian adults are now classified as obese, the highest rate ever recorded nationally.
Source: ABS National Health Survey 2022-23
41.8% of respondents did not have height/weight measured; imputation was used.
Obesity Trend Over Time
Overweight vs Obese Rates, 1995 to 2022-23
Percentage of Australian adults by BMI category over time
Source: ABS National Health Surveys. Obesity Evidence Hub.
Childhood Overweight and Obesity
Percentage of children aged 2-17 who are overweight or obese
Source: AIHW Overweight and Obesity 2024. ABS NHS.
Severe Obesity (BMI 40+)
Percentage of adults with severe obesity
Severe obesity (BMI 40+) more than doubled between 2007-08 and 2022-23.
Source: ABS NHS 2022. Obesity Evidence Hub.
Gender Breakdown
Overweight and Obesity by Gender
Percentage of Australian adults by BMI category and gender
Men are more likely to be overweight, while obesity rates are similar across genders.
Source: ABS National Health Survey 2022-23
Age Distribution
Overweight and Obesity by Age Group and Gender
Percentage of adults who are overweight or obese
Source: ABS National Health Survey 2022-23
Rates of overweight and obesity increase with age, peaking in the 65-74 age group for men (81.4%) and 55-64 for women (69.5%).
State and Territory Comparison
Overweight and Obesity by State and Territory
Percentage of adults who are overweight or obese, sorted highest to lowest
Source: ABS NHS State and Territory Findings 2022
| State | Overweight/obese (%) | Fruit not met (%) | Veg not met (%) | High BP (%) | Daily smoker (%) | Alcohol exceeded (%) |
|---|---|---|---|---|---|---|
| New South Wales | 63.1 | 54.2 | 93.2 | 23.8 | 10 | 25.2 |
| Victoria | 65.3 | 55.3 | 93.6 | 23.9 | 9.3 | 24.3 |
| Queensland | 68.8 | 57.1 | 94.9 | 20 | 14 | 29.4 |
| South Australia | 68 | 58.3 | 92.2 | 26.9 | 9.7 | 29.3 |
| Western Australia | 68 | 56.2 | 92.3 | 24.2 | 10.5 | 29.9 |
| Tasmania | 70.5 | 58.7 | 89.1 | 29.2 | 12.4 | 28.9 |
| Northern Territory | 63.8 | 59.9 | 93.9 | 19.6 | 13.5 | 31.1 |
| ACT | 64 | 58.6 | 92.3 | 22.6 | 5.9 | 27.4 |
| Australia | 65.8 | 55.8 | 93.5 | 23.3 | 10.6 | 26.8 |
Geographic Remoteness
Overweight and Obesity by Remoteness Area
Percentage of adults who are overweight or obese
Source: ABS NHS 2022-23
HILDA Obesity Odds Ratios by Location Type
Odds of obesity relative to major city urban areas (reference = 1.00)
Source: Keramat et al. (2021), Scientific Reports. HILDA waves 6-19, 199,675 observations.
Obesity by Socioeconomic Area
Odds of obesity relative to most advantaged areas (reference = 1.00)
Source: Keramat et al. (2021), MDPI Obesities. HILDA waves 6-19.
Adults in the most disadvantaged areas are more than twice as likely to be obese compared to those in the most advantaged areas.
HILDA Longitudinal Study
Weight Trends from the HILDA Panel, 2006 to 2019
Percentage of adults who are overweight/obese and obese only
Source: Keramat et al. (2021). HILDA Survey waves 6-19, 199,675 observations from 26,713 individuals.
BMI Category Transition Probabilities Over 5 Years
Probability of transitioning between BMI categories over a 5-year period
Source: PMC5334731, HILDA 2005-2010
Diet Quality
Meeting Fruit and Vegetable Guidelines
Percentage of Australians meeting daily intake recommendations
Source: ABS NNPAS 2023. AIHW Diet 2024.
- 28.9% consumed sweetened beverages on survey day.
- 23.8% consumed soft drinks and flavoured mineral waters.
- 25.4% of all free sugars came from sweetened beverages.
- Daily sodium: approximately 2,400mg (approximately 1 teaspoon of salt).
- 65.6% of adults exceed the Suggested Dietary Target for sodium (2,000mg).
Diet Risk Factors at a Glance
Percentage of Australian adults with each risk factor
Source: ABS NNPAS 2023
Popular Diets
Types of Diets Followed
Among adults who report following a diet or eating pattern
Source: ABS NNPAS 2023
Trending Diets in Australia
Percentage of adults who have tried or follow each diet
Source: Finder.com.au Diet Statistics 2024 (n=2,016)
Dieting by Generation
Percentage of each generation currently following or planning to try a diet
Source: Finder.com.au 2024
Motivations for Reducing Meat Consumption
Top reasons Australians give for eating less meat
Source: Food Frontier Consumer Survey 2024
- 24% of Australians follow a diet (Finder 2024).
- 21% identify as “meat reducers” (Food Frontier 2024).
- 79% go meat-free at least one day per week (Food Frontier 2024).
- 41% have tried plant-based milks; 34% consume weekly (Food Frontier 2024).
- 35% have tried plant-based meats (Food Frontier 2024).
Food Insecurity and Supplements
13.2% of Australian households experienced food insecurity in 2023 (approximately 1.3 million households).
ABS NNPAS 2023
- Lone parent families with dependent children: 34.0% food insecure.
- Group households: 27.8% food insecure.
- 33.6% of Australians took a dietary supplement in 2023.
- Vitamin/mineral supplements are the most common type (29.7%).
Dietary Supplement Use by Gender
Percentage of adults who take at least one supplement regularly
33.6% of Australians took a dietary supplement in 2023. Vitamin/mineral supplements are the most common type (29.7%).
Source: ABS NNPAS 2023
Projections
Projected Adult Obesity Rate, 2020 to 2035
Forecast based on current trends
Source: World Obesity Federation, World Obesity Atlas 2023
- 2.2% annual increase projected for adults (2020-2035).
- 2.6% annual increase projected for children.
- Socioeconomic inequality in obesity is widening: 11% gap between low and high SES for men born in 1970 at age 60 (no gap existed for 1940 birth cohort).
International Comparison
Adult Obesity Rates: International Comparison
Percentage of adults classified as obese (BMI 30+)
Australia ranks third among comparable OECD nations for adult obesity, behind only the United States and New Zealand.
Japan (4.5%) and France (17%) have the lowest rates among compared nations.
Source: OECD Health Statistics 2023. WHO Global Health Observatory.
Explore State and Territory Data
Sources and References
- Australian Bureau of Statistics. National Health Survey 2022-23. Released 15 December 2023.
- Australian Bureau of Statistics. National Health Survey: State and Territory Findings 2022. Released 25 June 2024.
- Australian Bureau of Statistics. Waist Circumference and BMI 2022.
- Australian Bureau of Statistics. National Nutrition and Physical Activity Survey (NNPAS) 2023.
- Australian Bureau of Statistics. Food and Nutrients 2023.
- Australian Institute of Health and Welfare. Overweight and Obesity 2024.
- Australian Institute of Health and Welfare. Diet 2024.
- Commonwealth of Australia. National Obesity Strategy 2022-2032.
- Health and Wellbeing Queensland. Obesity at Record Levels in Australia. February 2024.
- Health and Wellbeing Queensland. Queensland's Call to Action on Obesity. March 2026.
- Queensland Chief Health Officer Report: Weight.
- Keramat SA, Alam K, Al-Hanawi MK, Gow J, Biddle SJH, Hashmi R. Trends in the prevalence of adult overweight and obesity in Australia. Scientific Reports. 2021;11:11320.
- Keramat SA et al. Neighbourhood Socio-Economic Circumstances, Place of Residence and Obesity amongst Australian Adults. MDPI Obesities. 2021;1(3).
- Factors Influencing the Incidence of Obesity in Australia: A Generalized Ordered Probit Model. PMC5334731.
- Hayes AJ, Lung TWC, Bauman A, Howard K. Modelling obesity trends in Australia: unravelling the past and predicting the future. International Journal of Obesity. 2017.
- Impact of Obesity on Life Expectancy in Queensland. Health and Wellbeing Queensland. October 2022.
- World Obesity Federation. World Obesity Atlas 2023.
- OECD Health Statistics 2023.
- Global Nutrition Report: Australia Country Profile.
- Finder.com.au. Diet Statistics Australia 2024.
- Food Frontier. 2024 Consumer Survey: Australia's Most Popular Diets. September 2024.
- Obesity Evidence Hub. Deakin University. Various analyses 2024.
- Obesity Evidence Hub. Obesity Projections in Australia.
- Obesity Evidence Hub. Adults Diet and Exercise.