A new South Australian study indicates that most individuals experience minimal changes in diet and exercise habits following retirement, highlighting the significance of establishing positive lifestyle choices during one's working life for long-term health.
The research, published in Economic Analysis and Policy and based on Household Income and Labour Dynamics in Australia (HILDA) data, found no substantial alterations in weight or diet among older adults post-retirement. However, a longer duration of retirement was associated with a slight decrease in obesity rates among men.
According to Flinders University Associate Professor of Economics Dr Ilke Onur, the study did not find evidence that transitioning into retirement significantly affects body weight for either men or women. While women's weight showed no significant impact, men who spent more time in retirement exhibited a modest reduction in obesity.
The analysis suggests that retirement is linked to a moderate increase in physical activity, where work-related activity is replaced by comparable levels of exercise. Additionally, few changes were observed in food consumption patterns among retirees, indicating that diets generally do not significantly change after retirement.
Researchers, including Dr Rong Zhu and Professor Tony Cavoli, state that this continuity in weight and obesity-related health risks, independent of increases in Australia's pension age, suggests that policymakers should promote active lifestyle choices across all age groups rather than relying on retirement as a catalyst for health improvements.
Experts also advocate for more community programs that support active retirement to enhance the health and lifespan of older Australians, including those on the aged pension scheme.
Globally, overweight and obesity are significant health concerns, ranking as the fifth leading cause of death worldwide. Among older adults, obesity carries severe consequences, including functional limitations, cardiovascular diseases, diabetes, and other chronic conditions.
Dr Onur suggests that pre-retirement interventions, such as workplace wellbeing programs, might be more effective in shaping long-term weight outcomes and encouraging healthy habits before individuals retire. The moderate increase in physical activity after retirement presents an opportunity for community-based exercise programs and age-friendly infrastructure to promote social initiatives like group fitness programs for older adults, thereby reinforcing existing behavioral changes.
The global population is aging rapidly, with projections indicating that by 2030, one in six people will be over 60 years old. This demographic shift is a major public health concern as increased longevity does not always correlate with good health. In Australia, approximately 4.2 million people (16% of the total population) were aged 65 and over as of June 30, 2020, with projections for this group to constitute 21% to 23% of the total population by 2066.
The article, 'Retirement and weight stability: Panel evidence from Australia' (2025) by Tony Cavoli, Rong Zhu, and Ilke Onur, was published in the journal Economic Analysis and Policy.