Someone in the world develops dementia every 3 seconds. There are over 55 million people worldwide living with dementia in 2022. This number will almost double every 20 years, reaching 78 million in 2030 and 139 million in 2050. There are over 10 million new cases of dementia each year worldwide, implying one new case every 3.2 seconds. In Australia, an estimated 550,000 people are living with dementia, with this figure expected to rise to 1.1. million by 2058.