Prevalence and Incidence of Alzheimer's Disease
Prevalance of Alzheimer's Disease:
more than 4 million Americans (CDC); estimated 4 million people in the U.S (NHWIC) ... see also overview of Alzheimer's Disease.
approx 1 in 68 or 1.47% or 4 million people in USA [Source statistic for calcuation: "more than 4 million Americans (CDC); estimated 4 million people in the U.S (NHWIC)" -- see also general information about data sources]
Prevelance of Alzheimer's Disease discussion:
Clinical Trials Alzheimer''s Disease and Related Disorders: NIMH (Excerpt)
About 3 percent of men
and women ages 65 to 74 have AD, and nearly half of those age
85 and older may have the disease. It is important to note,
however, that AD is not a normal part of aging.
(Source: excerpt from Clinical Trials Alzheimer''s Disease and Related Disorders: NIMH)
NIA's Progress Report on Alzheimer's Disease, 1998: NIA (Excerpt)
AD is the most common cause of dementia among people age 65 and older. AD
affects as many as 4 million Americans; slightly more than half of these people
receive care at home, while the others are in many different health care
institutions. Before long, ongoing population studies will give estimates of the
number of people at different stages of the disease.
The prevalence of AD doubles every 5 years beyond age 65. Prevalence is the
number of people in a population with a disease at a given time. In fact, some
studies indicate that nearly half of all people age 85 and older have symptoms
of AD. (Source: excerpt from NIA's Progress Report on Alzheimer's Disease, 1998: NIA)
Prevelance statistics for Alzheimer's Disease:
The following statistics relate to the prevalence of Alzheimer's Disease:
- 4.5 million cases in America (Alzheimer’s Association, 2004)
- Prevalence of Alzheimer's expected to increase to 11.3-16 million cases in America by 2050 (Alzheimer’s Association, 2004)
- 4 million cases of Alzheimer's in the US (ADEAR)
- 19 million people had a family member with Alzheimer's in the US (ADEAR)
- more statistics...»
Death statistics for Alzheimer's Disease:
The following statistics relate to deaths and Alzheimer's Disease:
- 21,166 deaths per year from Alzheimer's in USA 1996 (US Government Statistics)
- 31,145 deaths from Alzheimer's in women in the US 1999 (CDC) (ADEAR)
- 3 deaths per 100,000 population in USA 1996 (US Government Statistics)
- Ranked 14th as a cause of death in USA 1996 (US Government Statistics)
- Ranked 9th as a cause of death for over 65’s in USA 1996 (US Government Statistics)
- Death statistics by age for Alzheimer's:
- more statistics...»
More Statistics about Alzheimer's Disease:
Deaths and related statistics
All statistics for Alzheimer's Disease
About prevalence and incidence statistics:
The term 'prevalence' of Alzheimer's Disease usually refers to the estimated population
of people who are managing Alzheimer's Disease at any given time.
The term 'incidence' of Alzheimer's Disease refers to the annual diagnosis rate,
or the number of new cases of Alzheimer's Disease diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.