Estimated numbers of people aged 65+ years living with dementia under various scenarios and difference to ageing-only scenario.

Note:Scenario 2: BMI-factored baseline with prevalence of obesity at age 50 years for males 46% and females 39%, and normal weight 13%.Scenario 3: Obesity prevalence for males 36% and females 33%, and normal weight for males 22% and females 32% from 2015.Scenario 4: Starting 2015, obesity decreased to 20% and normal weight increased to 40% by 2025 and maintained at this level thereafter.Estimated numbers of people aged 65+ years living with dementia under various scenarios and difference to ageing-only scenario.