This statistic shows the forecast of the global population affected with dementia from 2015 to 2050, according to the World Bank income classification. The upper middle and high income countries have higher proportion of people affected by dementia. In 2050, the number of people affected in upper middle and high income countries will be around **** and **** million, respectively.
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Alzheimer's Disease International. (August 25, 2015). Number of people with dementia worldwide from 2015 to 2050, by income classification (in millions)* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/471354/population-with-dementia-worldwide-by-income-classification/
Alzheimer's Disease International. "Number of people with dementia worldwide from 2015 to 2050, by income classification (in millions)*." Chart. August 25, 2015. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/471354/population-with-dementia-worldwide-by-income-classification/
Alzheimer's Disease International. (2015). Number of people with dementia worldwide from 2015 to 2050, by income classification (in millions)*. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/471354/population-with-dementia-worldwide-by-income-classification/
Alzheimer's Disease International. "Number of People with Dementia Worldwide from 2015 to 2050, by Income Classification (in Millions)*." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Aug 2015, /statistics/471354/population-with-dementia-worldwide-by-income-classification/
Alzheimer's Disease International, Number of people with dementia worldwide from 2015 to 2050, by income classification (in millions)* ÌÇÐÄÆƽâ°æ, /statistics/471354/population-with-dementia-worldwide-by-income-classification/ (last visited July 27, 2026)
Number of people with dementia worldwide from 2015 to 2050, by income classification (in millions)* [Graph], Alzheimer's Disease International, August 25, 2015. [Online]. Available: /statistics/471354/population-with-dementia-worldwide-by-income-classification/
