World Alzheimer's Day

Celebrated on 09/21/2026

Quick Fact

World Alzheimer's Day is observed annually on September 21st. It was launched in 1994 by Alzheimer's Disease International (ADI) to raise awareness and challenge the stigma surrounding dementia. The date marks the start of World Alzheimer's Month.

Origins and Establishment of World Alzheimer's Day

World Alzheimer's Day was first launched on September 21, 1994, by Alzheimer's Disease International (ADI) in collaboration with the World Health Organization (WHO). The initiative aimed to raise global awareness about Alzheimer's disease and other forms of dementia, reduce stigma, and promote support for those affected. The date was chosen to coincide with the annual conference of ADI, bringing together experts and advocates from around the world.

Evolution and Modern Commemoration

Over the years, World Alzheimer's Day has evolved into a month-long campaign known as World Alzheimer's Month, beginning each September 1st. The day itself remains the focal point, with events such as memory walks, educational seminars, and fundraising activities organized by Alzheimer's associations worldwide. In 2024, the theme is "Time to Act on Dementia, Time to Act on Alzheimer's," emphasizing the urgent need for action. Social media campaigns, blue lighting of landmarks, and public awareness initiatives are common ways to mark the occasion.

Facts & General Observations

• Approximately 55 million people worldwide live with dementia, with Alzheimer's disease accounting for 60-70% of cases.
• The number of people affected is projected to rise to 139 million by 2050, driven by aging populations.
• Despite its prevalence, less than 1 in 4 people with dementia receive a formal diagnosis in many countries, highlighting the need for better detection and care.

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