World Alzheimer Report 2015

Today, over 46 million people live with dementia worldwide, more than the population of Spain. This number is estimated to increase to 131.5 million by 2050.

Dementia has a huge economic impact, today the total estimated worldwide cost of dementia is US $818 billion, and it will become a trillion dollar disease by 2018. This means that if dementia care were a country, it would be the world’s 18th largest economy, more than the market values of companies such as Apple (US$ 742 billion), Google (US$ 368 billion) and Exxon (US$ 357 billion).

In many parts of the world, there is a growing awareness of dementia, but across the globe it remains the case that a diagnosis of dementia can bring with it stigma and social isolation. Today, we estimate that 94% of people living with dementia in low and middle income countries are cared for at home. These are regions where health and care systems often provide limited or no support to people living with dementia or to their families.

The 2015 World Alzheimer Report updates data on the prevalence, incidence, cost and trends of dementia worldwide. It also estimates how these numbers will increase in the future, leaving us with no doubt that dementia, including Alzheimer’s disease and other causes, is one of the biggest global public health and social care challenges facing people today and in the future. 

Link to report: World Alzheimer Report 2015 The Global Impact of Dementia An analysis of prevalence, incidence, cost and trends

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