Table 2.

Number and percent of Medicare Fee-for-Service (FFS) beneficiaries aged ≥65 years with Alzheimer’s disease or related dementias (ADRD) and the percentage of Medicare beneficiary study population as a share of the US population aged ≥65 years, by selected characteristics (United States, 2014)

Characteristic	FFS beneficiaries	Observed number of ADRD in FFS	Percentage of FFS beneficiaries with ADRD (%)	US population aged ≥65 years	Percentage of study population as a share of US population (%)
Total	28,027,071	3,230,895	11.5	46,542,503	60.2
Men	12,278,223	1,132,634	9.2	20,485,304	59.9
Women	15,748,848	2,098,261	13.3	26,057,199	60.4
Age group
65–74	14,906,921	523,522	3.5	26,597,270	56.0
75–84	859,4212	1,150,062	13.4	13,752,903	62.5
≥85	4,525,938	1,557,311	34.4	6,192,330	73.1
Race and ethnicity
Non-Hispanic white	23,149,644	2,625,631	11.3	36,280,540	63.8
Black	2,117,115	310,924	14.7	4,147,471	51.0
Asian and Pacific Islander	694,419	69,994	10.1	1,904,886	36.5
Hispanic	1,460,586	188,211	12.9	3,534,268	41.3
American Indian and Alaska Native	125,087	13,077	10.5	300,701	41.6
Two or more races (Census)	*	*	*	374,637	*
Other or race missing (CMS)	480,220	23,058	4.8	†	†

^*The Centers for Medicare and Medicaid Services (CMS) does not collect data for beneficiaries with two or more races. To arrive at these estimates, we applied the age-sex–specific prevalence for all races to the total population of two or more races.

^†There is no comparable population group in the US Census population projections data.