Table 4.

Percentage Distribution of Housework Hours per Week of Never-Married and Currently Married Women and Men Age 20–49: Japan 1994, 2000, and 2009

	1994		2000		2009
	Never-married	Currently married	Never-married	Currently married	Never-married	Currently married
Women’s housework hours
0–4	32	1	49	4	47	2
5–9	32	2	25	7	21	6
10–19	20	13	16	15	24	20
20–29	10	26	5	26	5	33
30 or more	6	59	5	48	3	39
Totala	100	100	100	100	100	100
Mean hours per week	10	33	8	29	8	27
(Number of cases)	(210)	(631)	(875)	(1,046)	(602)	(931)
Men’s housework hrs
Zero	44	36	34	23	25	18
1–4	32	47	44	54	46	57
5–9	15	12	12	17	16	15
10+	9	5	9	5	13	10
Totala	100	100	100	100	100	100
Mean hours per week	3	2	3	3	4	3
(Number of cases)	(232)	(595)	(960)	(1,051)	(667)	(723)

Notes: Based on self-reporting. Percentages and mean hours are weighted for 2000 and 2009, but unweighted for 1994. The number of cases are unweighted for all three years.

^aTotal may not sum to 100 because of rounding errors.