TABLE 3.

Subcategory costs of dementia (billion US $ and percent of total cost) in 2019, by World Bank country classification

Cost subcategory	Direct medical costs		Direct social sector costs		Informal care costs		Total costs
World Bank country classification 2019	US $ billion	%	US $ billion	%	US $ billion	%	US $ billion	%
Low-income countries	0.2	4.6	0.4	10.5	3.0	84.9	3.5	100
Lower-middle-income countries	4.8	10.9	5.8	13.2	33.6	75.9	44.3	100
Upper-middle-income countries	54.4	18.5	54.8	18.7	184.0	62.8	293.2	100
Low- and middle-income-countriesa	59.4	17.4	61.0	17.9	220.6	64.7	341.0	100
High-income countries	153.9	15.8	387.7	39.9	430.8	44.3	972.3	100
All	213.2	16.2	448.7	34.2	651.4	49.6	1313.4	100

^aLow- and middle-income countries = low-income countries + lower-middle-income countries + upper-middle-income countries.