Projection of Social Burden of the Elderly in Japan Using INAHSIM-II

Table 1

Creation of initial population for 2010.

	Step  1	Step  2	Actual
		Population and household (in %)
Population by age group
0–14	30.4	13.1	13.1
15–64	58.8	63.2	63.8
65+	10.8	23.7	23.0
Household structure
One-person (IP)	14.1	34.0	32.4
Couple only (Co)	12.1	18.6	19.8
Couple and child(ren) (CC)	52.7	26.2	27.9
Single parent and child(ren) (SC)	3.2	5.7	8.7
Three generation (3G)	11.3	7.7	7.1
The others (Oth)	6.6	7.7	4.1
Living situation of 65+
One-person	10.3	16.9	16.9
Couple only	38.8	34.3	37.2
Coresident with child (couple)	33.8	20.8	17.5
Coresident with child (without spouse)	8.4	17.8	24.8
The others	6.3	7.4	3.7
Institution	2.3	2.8	—

Note: Actual figures are from the Population Census (Population and Household structure) and the Basic Households Survey (Living situation of 65+).